diff --git a/src/app/(dashboard)/[portSlug]/berth-reservations/[id]/page.tsx b/src/app/(dashboard)/[portSlug]/berth-reservations/[id]/page.tsx
deleted file mode 100644
index ad5a0024..00000000
--- a/src/app/(dashboard)/[portSlug]/berth-reservations/[id]/page.tsx
+++ /dev/null
@@ -1,10 +0,0 @@
-import { ReservationDetail } from '@/components/reservations/reservation-detail';
-
-interface PageProps {
-  params: Promise<{ portSlug: string; id: string }>;
-}
-
-export default async function ReservationDetailPage({ params }: PageProps) {
-  const { portSlug, id } = await params;
-  return <ReservationDetail reservationId={id} portSlug={portSlug} />;
-}
diff --git a/src/app/(dashboard)/[portSlug]/berth-reservations/page.tsx b/src/app/(dashboard)/[portSlug]/berth-reservations/page.tsx
deleted file mode 100644
index 26acaa8b..00000000
--- a/src/app/(dashboard)/[portSlug]/berth-reservations/page.tsx
+++ /dev/null
@@ -1,5 +0,0 @@
-import { BerthReservationsList } from '@/components/reservations/berth-reservations-list';
-
-export default function BerthReservationsPage() {
-  return <BerthReservationsList />;
-}
diff --git a/src/app/(dashboard)/[portSlug]/tenancies/[id]/page.tsx b/src/app/(dashboard)/[portSlug]/tenancies/[id]/page.tsx
new file mode 100644
index 00000000..bca8aff5
--- /dev/null
+++ b/src/app/(dashboard)/[portSlug]/tenancies/[id]/page.tsx
@@ -0,0 +1,10 @@
+import { TenancyDetail } from '@/components/tenancies/tenancy-detail';
+
+interface PageProps {
+  params: Promise<{ portSlug: string; id: string }>;
+}
+
+export default async function TenancyDetailPage({ params }: PageProps) {
+  const { portSlug, id } = await params;
+  return <TenancyDetail tenancyId={id} portSlug={portSlug} />;
+}
diff --git a/src/app/(dashboard)/[portSlug]/tenancies/page.tsx b/src/app/(dashboard)/[portSlug]/tenancies/page.tsx
new file mode 100644
index 00000000..974e00d7
--- /dev/null
+++ b/src/app/(dashboard)/[portSlug]/tenancies/page.tsx
@@ -0,0 +1,5 @@
+import { TenanciesListPage } from '@/components/tenancies/tenancies-list-page';
+
+export default function BerthTenanciesPage() {
+  return <TenanciesListPage />;
+}
diff --git a/src/app/(portal)/portal/dashboard/page.tsx b/src/app/(portal)/portal/dashboard/page.tsx
index bdc999f8..9579a7d7 100644
--- a/src/app/(portal)/portal/dashboard/page.tsx
+++ b/src/app/(portal)/portal/dashboard/page.tsx
@@ -59,11 +59,11 @@ export default async function PortalDashboardPage() {
             route). Hidden until a memberships page ships. The count is still
             available in the underlying dashboard data when needed. */}
         <PortalCard
-          title="My Active Reservations"
-          value={dashboard.counts.activeReservations}
-          description="Current and pending berth reservations"
+          title="My Active Tenancies"
+          value={dashboard.counts.activeTenancies}
+          description="Current and pending berth tenancies"
           icon={CalendarCheck}
-          href="/portal/my-reservations"
+          href="/portal/my-tenancies"
         />
       </div>
 
diff --git a/src/app/(portal)/portal/my-reservations/page.tsx b/src/app/(portal)/portal/my-tenancies/page.tsx
similarity index 81%
rename from src/app/(portal)/portal/my-reservations/page.tsx
rename to src/app/(portal)/portal/my-tenancies/page.tsx
index 6b643b51..13823ff2 100644
--- a/src/app/(portal)/portal/my-reservations/page.tsx
+++ b/src/app/(portal)/portal/my-tenancies/page.tsx
@@ -3,10 +3,10 @@ import { CalendarCheck } from 'lucide-react';
 import type { Metadata } from 'next';
 
 import { getPortalSession } from '@/lib/portal/auth';
-import { getPortalUserReservations } from '@/lib/services/portal.service';
+import { getPortalUserTenancies } from '@/lib/services/portal.service';
 import { Badge } from '@/components/ui/badge';
 
-export const metadata: Metadata = { title: 'My Reservations' };
+export const metadata: Metadata = { title: 'My Tenancies' };
 
 const STATUS_COLORS: Record<string, 'default' | 'secondary' | 'destructive' | 'outline'> = {
   pending: 'secondary',
@@ -29,30 +29,30 @@ function formatDate(d: Date | string): string {
   });
 }
 
-export default async function PortalMyReservationsPage() {
+export default async function PortalMyTenanciesPage() {
   const session = await getPortalSession();
   if (!session) redirect('/portal/login');
 
-  const reservations = await getPortalUserReservations(session.clientId, session.portId);
+  const tenancies = await getPortalUserTenancies(session.clientId, session.portId);
 
   return (
     <div className="space-y-6">
       <div>
-        <h1 className="text-2xl font-semibold text-gray-900">My Reservations</h1>
-        <p className="text-sm text-gray-500 mt-1">Your current and pending berth reservations</p>
+        <h1 className="text-2xl font-semibold text-gray-900">My Tenancies</h1>
+        <p className="text-sm text-gray-500 mt-1">Your current and pending berth tenancies</p>
       </div>
 
-      {reservations.length === 0 ? (
+      {tenancies.length === 0 ? (
         <div className="bg-white rounded-lg border p-12 text-center">
           <CalendarCheck className="h-10 w-10 text-gray-300 mx-auto mb-3" />
-          <p className="text-gray-500 font-medium">No active reservations</p>
+          <p className="text-gray-500 font-medium">No active tenancies</p>
           <p className="text-sm text-gray-400 mt-1">
-            Contact your port representative to discuss reservations.
+            Contact your port representative to discuss tenancies.
           </p>
         </div>
       ) : (
         <div className="space-y-3">
-          {reservations.map((r) => (
+          {tenancies.map((r) => (
             <div key={r.id} className="bg-white rounded-lg border p-5">
               <div className="flex items-start justify-between gap-4">
                 <div className="flex-1 min-w-0">
diff --git a/src/app/api/v1/berths/[id]/reservations/route.ts b/src/app/api/v1/berths/[id]/reservations/route.ts
deleted file mode 100644
index 4db6df8b..00000000
--- a/src/app/api/v1/berths/[id]/reservations/route.ts
+++ /dev/null
@@ -1,6 +0,0 @@
-import { withAuth, withPermission } from '@/lib/api/helpers';
-
-import { listHandler, createHandler } from './handlers';
-
-export const GET = withAuth(withPermission('reservations', 'view', listHandler));
-export const POST = withAuth(withPermission('reservations', 'create', createHandler));
diff --git a/src/app/api/v1/berths/[id]/reservations/handlers.ts b/src/app/api/v1/berths/[id]/tenancies/handlers.ts
similarity index 80%
rename from src/app/api/v1/berths/[id]/reservations/handlers.ts
rename to src/app/api/v1/berths/[id]/tenancies/handlers.ts
index 0b4bbd92..7302ef9b 100644
--- a/src/app/api/v1/berths/[id]/reservations/handlers.ts
+++ b/src/app/api/v1/berths/[id]/tenancies/handlers.ts
@@ -6,8 +6,8 @@ import { parseBody, parseQuery } from '@/lib/api/route-helpers';
 import { db } from '@/lib/db';
 import { berths } from '@/lib/db/schema/berths';
 import { NotFoundError, errorResponse } from '@/lib/errors';
-import { createPending, listReservations } from '@/lib/services/berth-reservations.service';
-import { createPendingSchema, listReservationsSchema } from '@/lib/validators/reservations';
+import { createPending, listTenancies } from '@/lib/services/berth-tenancies.service';
+import { createPendingSchema, listTenanciesSchema } from '@/lib/validators/tenancies';
 
 // URL berthId is authoritative; make body berthId optional (ignored anyway).
 const createPendingBodySchema = createPendingSchema
@@ -24,8 +24,8 @@ async function assertBerthInPort(berthId: string, portId: string): Promise<void>
 export const listHandler: RouteHandler = async (req, ctx, params) => {
   try {
     await assertBerthInPort(params.id!, ctx.portId);
-    const query = parseQuery(req, listReservationsSchema);
-    const result = await listReservations(ctx.portId, { ...query, berthId: params.id! });
+    const query = parseQuery(req, listTenanciesSchema);
+    const result = await listTenancies(ctx.portId, { ...query, berthId: params.id! });
     const { page, limit } = query;
     const totalPages = Math.ceil(result.total / limit);
     return NextResponse.json({
@@ -48,7 +48,7 @@ export const createHandler: RouteHandler = async (req, ctx, params) => {
   try {
     await assertBerthInPort(params.id!, ctx.portId);
     const body = await parseBody(req, createPendingBodySchema);
-    const reservation = await createPending(
+    const tenancy = await createPending(
       ctx.portId,
       { ...body, berthId: params.id! },
       {
@@ -58,7 +58,7 @@ export const createHandler: RouteHandler = async (req, ctx, params) => {
         userAgent: ctx.userAgent,
       },
     );
-    return NextResponse.json({ data: reservation }, { status: 201 });
+    return NextResponse.json({ data: tenancy }, { status: 201 });
   } catch (error) {
     return errorResponse(error);
   }
diff --git a/src/app/api/v1/berths/[id]/tenancies/route.ts b/src/app/api/v1/berths/[id]/tenancies/route.ts
new file mode 100644
index 00000000..07d9fca1
--- /dev/null
+++ b/src/app/api/v1/berths/[id]/tenancies/route.ts
@@ -0,0 +1,6 @@
+import { withAuth, withPermission } from '@/lib/api/helpers';
+
+import { listHandler, createHandler } from './handlers';
+
+export const GET = withAuth(withPermission('tenancies', 'view', listHandler));
+export const POST = withAuth(withPermission('tenancies', 'manage', createHandler));
diff --git a/src/app/api/v1/clients/[id]/archive/route.ts b/src/app/api/v1/clients/[id]/archive/route.ts
index ae9dcc01..b5cd36df 100644
--- a/src/app/api/v1/clients/[id]/archive/route.ts
+++ b/src/app/api/v1/clients/[id]/archive/route.ts
@@ -35,10 +35,10 @@ const decisionsSchema = z.object({
       }),
     )
     .default([]),
-  reservationDecisions: z
+  tenancyDecisions: z
     .array(
       z.object({
-        reservationId: z.string().min(1),
+        tenancyId: z.string().min(1),
         action: z.enum(['cancel', 'transfer']),
         transferToClientId: z.string().min(1).optional(),
       }),
diff --git a/src/app/api/v1/clients/bulk-archive-preflight/route.ts b/src/app/api/v1/clients/bulk-archive-preflight/route.ts
index b06fdbe3..1e3da7b2 100644
--- a/src/app/api/v1/clients/bulk-archive-preflight/route.ts
+++ b/src/app/api/v1/clients/bulk-archive-preflight/route.ts
@@ -16,7 +16,7 @@ interface PreflightItem {
   stakeLevel: 'low' | 'high';
   highStakesStage: string | null;
   blockers: string[];
-  summary: { berths: number; yachts: number; reservations: number; signedDocs: number };
+  summary: { berths: number; yachts: number; tenancies: number; signedDocs: number };
 }
 
 /**
@@ -43,7 +43,7 @@ export const POST = withAuth(
             summary: {
               berths: d.berths.length,
               yachts: d.yachts.length,
-              reservations: d.reservations.length,
+              tenancies: d.tenancies.length,
               signedDocs: d.documents.filter(
                 (doc) => doc.status === 'completed' || doc.status === 'signed',
               ).length,
@@ -60,7 +60,7 @@ export const POST = withAuth(
             stakeLevel: 'low',
             highStakesStage: null,
             blockers: ['Could not load dossier - client may have been removed'],
-            summary: { berths: 0, yachts: 0, reservations: 0, signedDocs: 0 },
+            summary: { berths: 0, yachts: 0, tenancies: 0, signedDocs: 0 },
           });
         }
       }
diff --git a/src/app/api/v1/clients/bulk/route.ts b/src/app/api/v1/clients/bulk/route.ts
index 1cbbf539..4344aead 100644
--- a/src/app/api/v1/clients/bulk/route.ts
+++ b/src/app/api/v1/clients/bulk/route.ts
@@ -135,8 +135,8 @@ export const POST = withAuth(async (req, ctx) => {
           acknowledgedSignedDocuments: hasSignedDocs,
           berthDecisions,
           yachtDecisions: dossier.yachts.map((y) => ({ yachtId: y.yachtId, action: 'retain' })),
-          reservationDecisions: dossier.reservations.map((r) => ({
-            reservationId: r.reservationId,
+          tenancyDecisions: dossier.tenancies.map((r) => ({
+            tenancyId: r.tenancyId,
             action: 'cancel',
           })),
           invoiceDecisions: dossier.invoices.map((i) => ({
diff --git a/src/app/api/v1/berth-reservations/[id]/handlers.ts b/src/app/api/v1/tenancies/[id]/handlers.ts
similarity index 85%
rename from src/app/api/v1/berth-reservations/[id]/handlers.ts
rename to src/app/api/v1/tenancies/[id]/handlers.ts
index 46d51a0a..571fbb7c 100644
--- a/src/app/api/v1/berth-reservations/[id]/handlers.ts
+++ b/src/app/api/v1/tenancies/[id]/handlers.ts
@@ -5,12 +5,7 @@ import { type RouteHandler } from '@/lib/api/helpers';
 import { parseBody } from '@/lib/api/route-helpers';
 import { requirePermission } from '@/lib/auth/permissions';
 import { errorResponse } from '@/lib/errors';
-import {
-  activate,
-  cancel,
-  endReservation,
-  getById,
-} from '@/lib/services/berth-reservations.service';
+import { activate, cancel, endTenancy, getById } from '@/lib/services/berth-tenancies.service';
 
 // ─── PATCH body schema (action-based discriminated union) ────────────────────
 
@@ -35,8 +30,8 @@ const patchBodySchema = z.discriminatedUnion('action', [
 
 export const getHandler: RouteHandler = async (_req, ctx, params) => {
   try {
-    const reservation = await getById(params.id!, ctx.portId);
-    return NextResponse.json({ data: reservation });
+    const tenancy = await getById(params.id!, ctx.portId);
+    return NextResponse.json({ data: tenancy });
   } catch (error) {
     return errorResponse(error);
   }
@@ -53,7 +48,7 @@ export const patchHandler: RouteHandler = async (req, ctx, params) => {
     };
 
     if (body.action === 'activate') {
-      requirePermission(ctx, 'reservations', 'activate');
+      requirePermission(ctx, 'tenancies', 'manage');
       const result = await activate(
         params.id!,
         ctx.portId,
@@ -68,8 +63,8 @@ export const patchHandler: RouteHandler = async (req, ctx, params) => {
 
     if (body.action === 'end') {
       // `end` is lifecycle progression; same privilege as activate.
-      requirePermission(ctx, 'reservations', 'activate');
-      const result = await endReservation(
+      requirePermission(ctx, 'tenancies', 'manage');
+      const result = await endTenancy(
         params.id!,
         ctx.portId,
         { endDate: body.endDate, notes: body.notes },
@@ -79,7 +74,7 @@ export const patchHandler: RouteHandler = async (req, ctx, params) => {
     }
 
     // action === 'cancel'
-    requirePermission(ctx, 'reservations', 'cancel');
+    requirePermission(ctx, 'tenancies', 'cancel');
     const result = await cancel(params.id!, ctx.portId, { reason: body.reason }, meta);
     return NextResponse.json({ data: result });
   } catch (error) {
diff --git a/src/app/api/v1/berth-reservations/[id]/route.ts b/src/app/api/v1/tenancies/[id]/route.ts
similarity index 68%
rename from src/app/api/v1/berth-reservations/[id]/route.ts
rename to src/app/api/v1/tenancies/[id]/route.ts
index 32120f48..6d8b1c22 100644
--- a/src/app/api/v1/berth-reservations/[id]/route.ts
+++ b/src/app/api/v1/tenancies/[id]/route.ts
@@ -2,9 +2,9 @@ import { withAuth, withPermission } from '@/lib/api/helpers';
 
 import { getHandler, patchHandler, deleteHandler } from './handlers';
 
-export const GET = withAuth(withPermission('reservations', 'view', getHandler));
+export const GET = withAuth(withPermission('tenancies', 'view', getHandler));
 // PATCH cannot use `withPermission` wrapper - the required permission depends
 // on the `action` field in the body. `requirePermission` is called inside the
 // handler after the body is parsed.
 export const PATCH = withAuth(patchHandler);
-export const DELETE = withAuth(withPermission('reservations', 'cancel', deleteHandler));
+export const DELETE = withAuth(withPermission('tenancies', 'cancel', deleteHandler));
diff --git a/src/app/api/v1/berth-reservations/handlers.ts b/src/app/api/v1/tenancies/handlers.ts
similarity index 71%
rename from src/app/api/v1/berth-reservations/handlers.ts
rename to src/app/api/v1/tenancies/handlers.ts
index 947cbe2e..52669993 100644
--- a/src/app/api/v1/berth-reservations/handlers.ts
+++ b/src/app/api/v1/tenancies/handlers.ts
@@ -3,19 +3,19 @@ import { NextResponse } from 'next/server';
 import type { AuthContext } from '@/lib/api/helpers';
 import { parseQuery } from '@/lib/api/route-helpers';
 import { errorResponse } from '@/lib/errors';
-import { listReservations } from '@/lib/services/berth-reservations.service';
-import { listReservationsSchema } from '@/lib/validators/reservations';
+import { listTenancies } from '@/lib/services/berth-tenancies.service';
+import { listTenanciesSchema } from '@/lib/validators/tenancies';
 
 /**
- * Port-scoped global list of reservations across all berths. Inner handler
+ * Port-scoped global list of tenancies across all berths. Inner handler
  * lives here so it can be invoked directly from integration tests without
  * the `withAuth(withPermission(...))` wrappers (matches the convention
  * used throughout `src/app/api/v1/*`).
  */
 export async function listHandler(req: Request, ctx: AuthContext): Promise<NextResponse> {
   try {
-    const query = parseQuery(req as never, listReservationsSchema);
-    const result = await listReservations(ctx.portId, query);
+    const query = parseQuery(req as never, listTenanciesSchema);
+    const result = await listTenancies(ctx.portId, query);
     const { page, limit } = query;
     const totalPages = Math.ceil(result.total / limit);
     return NextResponse.json({
diff --git a/src/app/api/v1/berth-reservations/route.ts b/src/app/api/v1/tenancies/route.ts
similarity index 56%
rename from src/app/api/v1/berth-reservations/route.ts
rename to src/app/api/v1/tenancies/route.ts
index 2497266c..773118b8 100644
--- a/src/app/api/v1/berth-reservations/route.ts
+++ b/src/app/api/v1/tenancies/route.ts
@@ -1,4 +1,4 @@
 import { withAuth, withPermission } from '@/lib/api/helpers';
 import { listHandler } from './handlers';
 
-export const GET = withAuth(withPermission('reservations', 'view', listHandler));
+export const GET = withAuth(withPermission('tenancies', 'view', listHandler));
diff --git a/src/components/admin/roles/role-form.tsx b/src/components/admin/roles/role-form.tsx
index 0b200a7b..361f1422 100644
--- a/src/components/admin/roles/role-form.tsx
+++ b/src/components/admin/roles/role-form.tsx
@@ -82,7 +82,7 @@ const DEFAULT_PERMISSIONS: Record<string, Record<string, boolean>> = {
   yachts: { view: false, create: false, edit: false, delete: false, transfer: false },
   companies: { view: false, create: false, edit: false, delete: false },
   memberships: { view: false, manage: false },
-  reservations: { view: false, create: false, activate: false, cancel: false },
+  tenancies: { view: false, manage: false, cancel: false },
   admin: {
     manage_users: false,
     view_audit_log: false,
@@ -122,7 +122,7 @@ const GROUP_LABELS: Record<string, string> = {
   yachts: 'Yachts',
   companies: 'Companies',
   memberships: 'Company Memberships',
-  reservations: 'Reservations',
+  tenancies: 'Tenancies',
   admin: 'Administration',
   residential_clients: 'Residential Clients',
   residential_interests: 'Residential Interests',
diff --git a/src/components/admin/users/user-permission-matrix.tsx b/src/components/admin/users/user-permission-matrix.tsx
index 2fe5ca32..e3ddeacf 100644
--- a/src/components/admin/users/user-permission-matrix.tsx
+++ b/src/components/admin/users/user-permission-matrix.tsx
@@ -46,7 +46,7 @@ const GROUP_LABELS: Record<string, string> = {
   yachts: 'Yachts',
   companies: 'Companies',
   memberships: 'Company Memberships',
-  reservations: 'Reservations',
+  tenancies: 'Tenancies',
   admin: 'Administration',
   residential_clients: 'Residential Clients',
   residential_interests: 'Residential Interests',
@@ -89,7 +89,7 @@ const PERMISSION_LEAVES: Record<string, string[]> = {
   yachts: ['view', 'create', 'edit', 'delete', 'transfer'],
   companies: ['view', 'create', 'edit', 'delete'],
   memberships: ['view', 'manage'],
-  reservations: ['view', 'create', 'activate', 'cancel'],
+  tenancies: ['view', 'manage', 'cancel'],
   admin: [
     'manage_users',
     'view_audit_log',
diff --git a/src/components/berths/berth-tabs.tsx b/src/components/berths/berth-tabs.tsx
index 4a2e6967..ccdf3a1c 100644
--- a/src/components/berths/berth-tabs.tsx
+++ b/src/components/berths/berth-tabs.tsx
@@ -23,7 +23,7 @@ import {
   BERTH_SIDE_PONTOON_OPTIONS,
   toSelectOptions,
 } from '@/lib/constants';
-import { BerthReservationsTab } from './berth-reservations-tab';
+import { BerthTenanciesTab } from './berth-tenancies-tab';
 import { BerthInterestsTab } from './berth-interests-tab';
 import { BerthInterestPulse } from './berth-interest-pulse';
 import { BerthDocumentsTab } from './berth-documents-tab';
@@ -432,9 +432,9 @@ export function buildBerthTabs(berth: BerthData): DetailTab[] {
       content: <BerthInterestsTab berthId={berth.id} />,
     },
     {
-      id: 'reservations',
-      label: 'Reservations',
-      content: <BerthReservationsTab berthId={berth.id} />,
+      id: 'tenancies',
+      label: 'Tenancies',
+      content: <BerthTenanciesTab berthId={berth.id} />,
     },
     {
       id: 'spec',
diff --git a/src/components/berths/berth-reservations-tab.tsx b/src/components/berths/berth-tenancies-tab.tsx
similarity index 54%
rename from src/components/berths/berth-reservations-tab.tsx
rename to src/components/berths/berth-tenancies-tab.tsx
index 91c9a63f..c8cb33fa 100644
--- a/src/components/berths/berth-reservations-tab.tsx
+++ b/src/components/berths/berth-tenancies-tab.tsx
@@ -9,61 +9,61 @@ import { Button } from '@/components/ui/button';
 import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
 import { PermissionGate } from '@/components/shared/permission-gate';
 import { EmptyState } from '@/components/shared/empty-state';
-import { ReservationList, type ReservationRow } from '@/components/reservations/reservation-list';
-import { BerthReserveDialog } from '@/components/reservations/berth-reserve-dialog';
+import { TenancyList, type TenancyRow } from '@/components/tenancies/tenancy-list';
+import { BerthReserveDialog } from '@/components/tenancies/berth-reserve-dialog';
 import { useRealtimeInvalidation } from '@/hooks/use-realtime-invalidation';
 import { apiFetch } from '@/lib/api/client';
 
-interface BerthReservationsTabProps {
+interface BerthTenanciesTabProps {
   berthId: string;
 }
 
-export function BerthReservationsTab({ berthId }: BerthReservationsTabProps) {
+export function BerthTenanciesTab({ berthId }: BerthTenanciesTabProps) {
   const routeParams = useParams<{ portSlug: string }>();
   const portSlug = routeParams?.portSlug ?? '';
   const [reserveOpen, setReserveOpen] = useState(false);
 
-  const { data, isLoading } = useQuery<{ data: ReservationRow[]; pagination?: unknown }>({
-    queryKey: ['berths', berthId, 'reservations'],
+  const { data, isLoading } = useQuery<{ data: TenancyRow[]; pagination?: unknown }>({
+    queryKey: ['berths', berthId, 'tenancies'],
     queryFn: () =>
       apiFetch(
-        `/api/v1/berths/${berthId}/reservations?page=1&limit=50&order=desc&includeArchived=false`,
+        `/api/v1/berths/${berthId}/tenancies?page=1&limit=50&order=desc&includeArchived=false`,
       ),
   });
 
   useRealtimeInvalidation({
-    'berth_reservation:created': [['berths', berthId, 'reservations']],
-    'berth_reservation:activated': [['berths', berthId, 'reservations']],
-    'berth_reservation:ended': [['berths', berthId, 'reservations']],
-    'berth_reservation:cancelled': [['berths', berthId, 'reservations']],
+    'berth_tenancy:created': [['berths', berthId, 'tenancies']],
+    'berth_tenancy:activated': [['berths', berthId, 'tenancies']],
+    'berth_tenancy:ended': [['berths', berthId, 'tenancies']],
+    'berth_tenancy:cancelled': [['berths', berthId, 'tenancies']],
   });
 
-  const reservations = data?.data ?? [];
-  const active = reservations.find((r) => r.status === 'active');
-  const history = reservations.filter((r) => r.status !== 'active');
+  const tenancies = data?.data ?? [];
+  const active = tenancies.find((r) => r.status === 'active');
+  const history = tenancies.filter((r) => r.status !== 'active');
 
   return (
     <div className="space-y-6">
       <div className="flex items-center justify-between">
-        <h3 className="text-lg font-semibold">Reservations</h3>
-        <PermissionGate resource="reservations" action="create">
+        <h3 className="text-lg font-semibold">Tenancies</h3>
+        <PermissionGate resource="tenancies" action="manage">
           <Button size="sm" onClick={() => setReserveOpen(true)}>
             <Plus className="mr-1.5 h-4 w-4" aria-hidden />
-            Reserve this berth
+            Create tenancy
           </Button>
         </PermissionGate>
       </div>
 
-      {/* Active reservation card */}
+      {/* Active tenancy card */}
       <Card>
         <CardHeader className="pb-3">
-          <CardTitle className="text-sm font-medium">Active reservation</CardTitle>
+          <CardTitle className="text-sm font-medium">Active tenancy</CardTitle>
         </CardHeader>
         <CardContent>
           {active ? (
-            <ReservationList reservations={[active]} portSlug={portSlug} />
+            <TenancyList tenancies={[active]} portSlug={portSlug} />
           ) : (
-            <p className="text-sm text-muted-foreground">No active reservation.</p>
+            <p className="text-sm text-muted-foreground">No active tenancy.</p>
           )}
         </CardContent>
       </Card>
@@ -77,9 +77,9 @@ export function BerthReservationsTab({ berthId }: BerthReservationsTabProps) {
           {isLoading ? (
             <p className="text-sm text-muted-foreground">Loading…</p>
           ) : history.length === 0 ? (
-            <EmptyState title="No past reservations" description="Nothing here yet." />
+            <EmptyState title="No past tenancies" description="Nothing here yet." />
           ) : (
-            <ReservationList reservations={history} portSlug={portSlug} />
+            <TenancyList tenancies={history} portSlug={portSlug} />
           )}
         </CardContent>
       </Card>
diff --git a/src/components/clients/bulk-archive-wizard.tsx b/src/components/clients/bulk-archive-wizard.tsx
index 814a170e..54ab030c 100644
--- a/src/components/clients/bulk-archive-wizard.tsx
+++ b/src/components/clients/bulk-archive-wizard.tsx
@@ -26,7 +26,7 @@ interface PreflightItem {
   stakeLevel: 'low' | 'high';
   highStakesStage: string | null;
   blockers: string[];
-  summary: { berths: number; yachts: number; reservations: number; signedDocs: number };
+  summary: { berths: number; yachts: number; tenancies: number; signedDocs: number };
 }
 
 interface Props {
@@ -215,8 +215,8 @@ function BulkArchiveWizardBody({ open, onOpenChange, clientIds, onSuccess }: Pro
                     {currentHighStakes.summary.signedDocs > 0
                       ? `${currentHighStakes.summary.signedDocs} signed doc(s), `
                       : ''}
-                    {currentHighStakes.summary.reservations > 0
-                      ? `${currentHighStakes.summary.reservations} reservation(s)`
+                    {currentHighStakes.summary.tenancies > 0
+                      ? `${currentHighStakes.summary.tenancies} tenancy(ies)`
                       : ''}
                   </span>
                 </WarningCallout>
diff --git a/src/components/clients/client-detail.tsx b/src/components/clients/client-detail.tsx
index 37270ab3..50e10e5b 100644
--- a/src/components/clients/client-detail.tsx
+++ b/src/components/clients/client-detail.tsx
@@ -64,7 +64,7 @@ interface ClientData {
       status: string;
     };
   }>;
-  activeReservations: Array<{
+  activeTenancies: Array<{
     id: string;
     berthId: string;
     yachtId: string;
@@ -113,9 +113,9 @@ export function ClientDetail({ clientId, currentUserId }: ClientDetailProps) {
     'yacht:ownership_transferred': [['clients', clientId]],
     'company_membership:added': [['clients', clientId]],
     'company_membership:ended': [['clients', clientId]],
-    'berth_reservation:activated': [['clients', clientId]],
-    'berth_reservation:ended': [['clients', clientId]],
-    'berth_reservation:cancelled': [['clients', clientId]],
+    'berth_tenancy:activated': [['clients', clientId]],
+    'berth_tenancy:ended': [['clients', clientId]],
+    'berth_tenancy:cancelled': [['clients', clientId]],
   });
 
   if (error && !isLoading) {
diff --git a/src/components/clients/client-tabs.tsx b/src/components/clients/client-tabs.tsx
index dccd672e..0e41ed7d 100644
--- a/src/components/clients/client-tabs.tsx
+++ b/src/components/clients/client-tabs.tsx
@@ -16,7 +16,7 @@ import { ClientInterestsTab } from '@/components/clients/client-interests-tab';
 import { ClientPipelineSummary } from '@/components/clients/client-pipeline-summary';
 import { ClientYachtsTab } from '@/components/clients/client-yachts-tab';
 import { ClientCompaniesTab } from '@/components/clients/client-companies-tab';
-import { ClientReservationsTab } from '@/components/clients/client-reservations-tab';
+import { ClientTenanciesTab } from '@/components/clients/client-tenancies-tab';
 import { ClientFilesTab } from '@/components/clients/client-files-tab';
 import { ContactsEditor } from '@/components/clients/contacts-editor';
 import { AddressesEditor, type Address } from '@/components/shared/addresses-editor';
@@ -123,7 +123,7 @@ interface ClientTabsOptions {
         status: string;
       };
     }>;
-    activeReservations: Array<{
+    activeTenancies: Array<{
       id: string;
       berthId: string;
       yachtId: string;
@@ -276,12 +276,10 @@ export function getClientTabs({ clientId, currentUserId, client }: ClientTabsOpt
       content: <ClientCompaniesTab clientId={clientId} companies={client.companies} />,
     },
     {
-      id: 'reservations',
-      label: 'Reservations',
-      badge: client.activeReservations.length,
-      content: (
-        <ClientReservationsTab clientId={clientId} activeReservations={client.activeReservations} />
-      ),
+      id: 'tenancies',
+      label: 'Tenancies',
+      badge: client.activeTenancies.length,
+      content: <ClientTenanciesTab clientId={clientId} activeTenancies={client.activeTenancies} />,
     },
     {
       id: 'addresses',
diff --git a/src/components/clients/client-reservations-tab.tsx b/src/components/clients/client-tenancies-tab.tsx
similarity index 64%
rename from src/components/clients/client-reservations-tab.tsx
rename to src/components/clients/client-tenancies-tab.tsx
index d852f984..1811d9ef 100644
--- a/src/components/clients/client-reservations-tab.tsx
+++ b/src/components/clients/client-tenancies-tab.tsx
@@ -3,13 +3,13 @@
 import { useState } from 'react';
 import { useQuery } from '@tanstack/react-query';
 
-import { ReservationList, type ReservationRow } from '@/components/reservations/reservation-list';
+import { TenancyList, type TenancyRow } from '@/components/tenancies/tenancy-list';
 import { Button } from '@/components/ui/button';
 import { apiFetch } from '@/lib/api/client';
 
-interface ClientReservationsTabProps {
+interface ClientTenanciesTabProps {
   clientId: string;
-  activeReservations: Array<{
+  activeTenancies: Array<{
     id: string;
     berthId: string;
     yachtId: string;
@@ -19,24 +19,21 @@ interface ClientReservationsTabProps {
   }>;
 }
 
-interface ReservationListResponse {
-  data: ReservationRow[];
+interface TenancyListResponse {
+  data: TenancyRow[];
   pagination?: { total: number };
 }
 
-export function ClientReservationsTab({
-  clientId,
-  activeReservations,
-}: ClientReservationsTabProps) {
+export function ClientTenanciesTab({ clientId, activeTenancies }: ClientTenanciesTabProps) {
   const [showHistory, setShowHistory] = useState(false);
 
-  const activeRows: ReservationRow[] = activeReservations.map((r) => ({
+  const activeRows: TenancyRow[] = activeTenancies.map((r) => ({
     id: r.id,
     berthId: r.berthId,
     portId: '',
     clientId,
     yachtId: r.yachtId,
-    status: r.status as ReservationRow['status'],
+    status: r.status as TenancyRow['status'],
     startDate: typeof r.startDate === 'string' ? r.startDate : r.startDate.toISOString(),
     endDate: null,
     tenureType: r.tenureType,
@@ -48,23 +45,23 @@ export function ClientReservationsTab({
   // Lazy-load history (ended + cancelled). Two parallel queries because
   // the API takes one status at a time; combining once both resolve.
   const endedQuery = useQuery({
-    queryKey: ['reservations', { clientId, status: 'ended' }],
+    queryKey: ['tenancies', { clientId, status: 'ended' }],
     queryFn: () =>
-      apiFetch<ReservationListResponse>(
-        `/api/v1/berth-reservations?clientId=${encodeURIComponent(clientId)}&status=ended&pageSize=50`,
+      apiFetch<TenancyListResponse>(
+        `/api/v1/tenancies?clientId=${encodeURIComponent(clientId)}&status=ended&pageSize=50`,
       ),
     enabled: showHistory,
   });
   const cancelledQuery = useQuery({
-    queryKey: ['reservations', { clientId, status: 'cancelled' }],
+    queryKey: ['tenancies', { clientId, status: 'cancelled' }],
     queryFn: () =>
-      apiFetch<ReservationListResponse>(
-        `/api/v1/berth-reservations?clientId=${encodeURIComponent(clientId)}&status=cancelled&pageSize=50`,
+      apiFetch<TenancyListResponse>(
+        `/api/v1/tenancies?clientId=${encodeURIComponent(clientId)}&status=cancelled&pageSize=50`,
       ),
     enabled: showHistory,
   });
 
-  const historyRows: ReservationRow[] = [
+  const historyRows: TenancyRow[] = [
     ...(endedQuery.data?.data ?? []),
     ...(cancelledQuery.data?.data ?? []),
   ].sort((a, b) => (a.startDate < b.startDate ? 1 : -1));
@@ -75,12 +72,12 @@ export function ClientReservationsTab({
     <div className="space-y-6">
       <div>
         <div className="flex items-center justify-between">
-          <h3 className="text-sm font-medium">Active reservations</h3>
+          <h3 className="text-sm font-medium">Active tenancies</h3>
         </div>
-        <ReservationList
-          reservations={activeRows}
+        <TenancyList
+          tenancies={activeRows}
           showBerth
-          emptyMessage="This client has no active reservations."
+          emptyMessage="This client has no active tenancies."
         />
       </div>
 
@@ -100,15 +97,15 @@ export function ClientReservationsTab({
           isHistoryLoading ? (
             <p className="text-xs text-muted-foreground">Loading…</p>
           ) : (
-            <ReservationList
-              reservations={historyRows}
+            <TenancyList
+              tenancies={historyRows}
               showBerth
-              emptyMessage="No ended or cancelled reservations."
+              emptyMessage="No ended or cancelled tenancies."
             />
           )
         ) : (
           <p className="text-xs text-muted-foreground">
-            Click &ldquo;Show history&rdquo; to load ended and cancelled reservations.
+            Click &ldquo;Show history&rdquo; to load ended and cancelled tenancies.
           </p>
         )}
       </div>
diff --git a/src/components/clients/smart-archive-dialog.tsx b/src/components/clients/smart-archive-dialog.tsx
index b73de3e7..cd98aea2 100644
--- a/src/components/clients/smart-archive-dialog.tsx
+++ b/src/components/clients/smart-archive-dialog.tsx
@@ -47,8 +47,8 @@ interface DossierYacht {
   hullNumber: string | null;
   status: string;
 }
-interface DossierReservation {
-  reservationId: string;
+interface DossierTenancy {
+  tenancyId: string;
   berthId: string;
   mooringNumber: string;
   status: string;
@@ -75,7 +75,7 @@ interface ArchiveDossier {
   berths: DossierBerth[];
   yachts: DossierYacht[];
   companies: Array<{ companyId: string; name: string; membershipRole: string | null }>;
-  reservations: DossierReservation[];
+  tenancies: DossierTenancy[];
   invoices: DossierInvoice[];
   documents: DossierDocument[];
   hasPortalUser: boolean;
@@ -84,7 +84,7 @@ interface ArchiveDossier {
 
 type BerthAction = 'release' | 'retain';
 type YachtAction = 'transfer' | 'mark_sold_away' | 'retain';
-type ReservationAction = 'cancel' | 'transfer';
+type TenancyAction = 'cancel' | 'transfer';
 type InvoiceAction = 'void' | 'write_off' | 'leave';
 type DocumentAction = 'void_documenso' | 'leave';
 
@@ -168,13 +168,9 @@ function SmartArchiveDialogBody({
       ? Object.fromEntries(dossier.yachts.map((y) => [y.yachtId, 'retain' as YachtAction]))
       : {},
   );
-  const [reservationDecisions, setReservationDecisions] = useState<
-    Record<string, ReservationAction>
-  >(() =>
+  const [tenancyDecisions, setTenancyDecisions] = useState<Record<string, TenancyAction>>(() =>
     dossier
-      ? Object.fromEntries(
-          dossier.reservations.map((r) => [r.reservationId, 'cancel' as ReservationAction]),
-        )
+      ? Object.fromEntries(dossier.tenancies.map((r) => [r.tenancyId, 'cancel' as TenancyAction]))
       : {},
   );
   const [invoiceDecisions, setInvoiceDecisions] = useState<Record<string, InvoiceAction>>(() =>
@@ -233,9 +229,9 @@ function SmartArchiveDialogBody({
               yachtId: y.yachtId,
               action: yachtDecisions[y.yachtId] ?? 'retain',
             })),
-            reservationDecisions: dossier.reservations.map((r) => ({
-              reservationId: r.reservationId,
-              action: reservationDecisions[r.reservationId] ?? 'cancel',
+            tenancyDecisions: dossier.tenancies.map((r) => ({
+              tenancyId: r.tenancyId,
+              action: tenancyDecisions[r.tenancyId] ?? 'cancel',
             })),
             invoiceDecisions: dossier.invoices.map((i) => ({
               invoiceId: i.invoiceId,
@@ -459,33 +455,30 @@ function SmartArchiveDialogBody({
               </Card>
             )}
 
-            {/* Reservations */}
-            {dossier.reservations.length > 0 && (
+            {/* Tenancies */}
+            {dossier.tenancies.length > 0 && (
               <Card>
                 <CardHeader className="pb-2">
                   <CardTitle className="text-sm font-medium flex items-center gap-2">
-                    <Anchor className="h-4 w-4" aria-hidden /> Active reservations (
-                    {dossier.reservations.length})
+                    <Anchor className="h-4 w-4" aria-hidden /> Active tenancies (
+                    {dossier.tenancies.length})
                   </CardTitle>
                 </CardHeader>
                 <CardContent className="space-y-2">
-                  {dossier.reservations.map((r) => (
-                    <div
-                      key={r.reservationId}
-                      className="flex items-center justify-between text-xs"
-                    >
+                  {dossier.tenancies.map((r) => (
+                    <div key={r.tenancyId} className="flex items-center justify-between text-xs">
                       <span>Berth {r.mooringNumber}</span>
                       <select
                         className="rounded border bg-background px-2 py-1 text-xs"
-                        value={reservationDecisions[r.reservationId] ?? 'cancel'}
+                        value={tenancyDecisions[r.tenancyId] ?? 'cancel'}
                         onChange={(e) =>
-                          setReservationDecisions((prev) => ({
+                          setTenancyDecisions((prev) => ({
                             ...prev,
-                            [r.reservationId]: e.target.value as ReservationAction,
+                            [r.tenancyId]: e.target.value as TenancyAction,
                           }))
                         }
                       >
-                        <option value="cancel">Cancel reservation</option>
+                        <option value="cancel">Cancel tenancy</option>
                       </select>
                     </div>
                   ))}
diff --git a/src/components/dashboard/activity-feed.tsx b/src/components/dashboard/activity-feed.tsx
index 912c68f1..261c9e32 100644
--- a/src/components/dashboard/activity-feed.tsx
+++ b/src/components/dashboard/activity-feed.tsx
@@ -58,7 +58,7 @@ function humanizeFieldName(name: string): string {
 const ENTITY_TYPE_LABELS: Record<string, string> = {
   residential_client: 'Residential client',
   residential_interest: 'Residential interest',
-  berth_reservation: 'Berth reservation',
+  berth_tenancy: 'Berth tenancy',
   berth_maintenance_log: 'Berth maintenance',
   berth_recommendation: 'Berth recommendation',
   client_note: 'Client note',
diff --git a/src/components/documents/create-document-wizard.tsx b/src/components/documents/create-document-wizard.tsx
index 826b444d..07c72778 100644
--- a/src/components/documents/create-document-wizard.tsx
+++ b/src/components/documents/create-document-wizard.tsx
@@ -45,7 +45,7 @@ const SIGNER_ROLES = ['client', 'sales', 'approver', 'developer', 'other'] as co
 
 const SUBJECT_TYPES = [
   { key: 'interest', label: 'Interest', field: 'interestId' as const },
-  { key: 'reservation', label: 'Reservation', field: 'reservationId' as const },
+  { key: 'tenancy', label: 'Tenancy', field: 'tenancyId' as const },
   { key: 'client', label: 'Client', field: 'clientId' as const },
   { key: 'company', label: 'Company', field: 'companyId' as const },
   { key: 'yacht', label: 'Yacht', field: 'yachtId' as const },
@@ -364,7 +364,7 @@ export function CreateDocumentWizard({ portSlug }: CreateDocumentWizardProps) {
                 <Input
                   value={subjectId}
                   onChange={(e) => setSubjectId(e.target.value)}
-                  placeholder="Reservation id"
+                  placeholder="Tenancy id"
                 />
               )}
             </div>
diff --git a/src/components/documents/document-detail.tsx b/src/components/documents/document-detail.tsx
index a4f898ec..d0bbf2cb 100644
--- a/src/components/documents/document-detail.tsx
+++ b/src/components/documents/document-detail.tsx
@@ -57,7 +57,7 @@ interface DetailDoc {
   documentType: string;
   documensoId: string | null;
   signedFileId: string | null;
-  reservationId: string | null;
+  tenancyId: string | null;
   interestId: string | null;
   clientId: string | null;
   yachtId: string | null;
@@ -232,10 +232,10 @@ export function DocumentDetail({ documentId, portSlug }: DocumentDetailProps) {
   // render as a chip row; nothing renders when there's nothing to
   // link.
   const linkedRows: Array<{ href: string; label: string; sub: string | null }> = [];
-  if (doc.reservationId) {
+  if (doc.tenancyId) {
     linkedRows.push({
-      href: `/${portSlug}/berth-reservations/${doc.reservationId}`,
-      label: 'Reservation',
+      href: `/${portSlug}/tenancies/${doc.tenancyId}`,
+      label: 'Tenancy',
       sub: null,
     });
   }
diff --git a/src/components/interests/interest-detail.tsx b/src/components/interests/interest-detail.tsx
index 4e5acead..a00864a3 100644
--- a/src/components/interests/interest-detail.tsx
+++ b/src/components/interests/interest-detail.tsx
@@ -75,7 +75,7 @@ interface InterestData {
   reminderDays: number | null;
   reminderLastFired: string | null;
   /** Phase 2 risk-signal dates derived in getInterestById from event
-   *  tables (document_events, berth_reservations, conflicting won
+   *  tables (document_events, berth_tenancies, conflicting won
    *  interests). Feed DealPulseChip; null when no matching event. */
   dateDocumentDeclined: string | null;
   dateReservationCancelled: string | null;
diff --git a/src/components/portal/portal-nav.tsx b/src/components/portal/portal-nav.tsx
index 0c62e6fb..531d0494 100644
--- a/src/components/portal/portal-nav.tsx
+++ b/src/components/portal/portal-nav.tsx
@@ -17,7 +17,7 @@ const navItems = [
   { label: 'Dashboard', href: '/portal/dashboard', icon: LayoutDashboard },
   { label: 'Interests', href: '/portal/interests', icon: Anchor },
   { label: 'My Yachts', href: '/portal/my-yachts', icon: Sailboat },
-  { label: 'Reservations', href: '/portal/my-reservations', icon: CalendarCheck },
+  { label: 'Tenancies', href: '/portal/my-tenancies', icon: CalendarCheck },
   { label: 'Documents', href: '/portal/documents', icon: FileText },
   { label: 'Invoices', href: '/portal/invoices', icon: Receipt },
   { label: 'Profile', href: '/portal/profile', icon: User },
diff --git a/src/components/reservations/berth-reserve-dialog.tsx b/src/components/tenancies/berth-reserve-dialog.tsx
similarity index 93%
rename from src/components/reservations/berth-reserve-dialog.tsx
rename to src/components/tenancies/berth-reserve-dialog.tsx
index ae9d783f..ce405208 100644
--- a/src/components/reservations/berth-reserve-dialog.tsx
+++ b/src/components/tenancies/berth-reserve-dialog.tsx
@@ -102,7 +102,7 @@ export function BerthReserveDialog({ open, onOpenChange, berthId }: BerthReserve
   }
 
   async function createPending(data: FormValues): Promise<{ id: string }> {
-    const res = await apiFetch<{ data: { id: string } }>(`/api/v1/berths/${berthId}/reservations`, {
+    const res = await apiFetch<{ data: { id: string } }>(`/api/v1/berths/${berthId}/tenancies`, {
       method: 'POST',
       body: {
         clientId: data.clientId!,
@@ -122,9 +122,9 @@ export function BerthReserveDialog({ open, onOpenChange, berthId }: BerthReserve
       await createPending(data);
     },
     onSuccess: () => {
-      queryClient.invalidateQueries({ queryKey: ['berths', berthId, 'reservations'] });
-      queryClient.invalidateQueries({ queryKey: ['berth-reservations'] });
-      toast.success('Reservation created');
+      queryClient.invalidateQueries({ queryKey: ['berths', berthId, 'tenancies'] });
+      queryClient.invalidateQueries({ queryKey: ['tenancies'] });
+      toast.success('Tenancy created');
       onOpenChange(false);
     },
     onError: (err: unknown) => {
@@ -139,22 +139,22 @@ export function BerthReserveDialog({ open, onOpenChange, berthId }: BerthReserve
       if (err) throw new Error(err);
       const pending = await createPending(data);
       // Immediately activate
-      await apiFetch(`/api/v1/berth-reservations/${pending.id}`, {
+      await apiFetch(`/api/v1/tenancies/${pending.id}`, {
         method: 'PATCH',
         body: { action: 'activate' },
       });
     },
     onSuccess: () => {
-      queryClient.invalidateQueries({ queryKey: ['berths', berthId, 'reservations'] });
-      queryClient.invalidateQueries({ queryKey: ['berth-reservations'] });
-      toast.success('Reservation created and activated');
+      queryClient.invalidateQueries({ queryKey: ['berths', berthId, 'tenancies'] });
+      queryClient.invalidateQueries({ queryKey: ['tenancies'] });
+      toast.success('Tenancy created and activated');
       onOpenChange(false);
     },
     onError: (err: unknown) => {
       const msg = err instanceof Error ? err.message : 'Failed to activate';
-      if (/active reservation|conflict|409/i.test(msg)) {
+      if (/active tenancy|active reservation|conflict|409/i.test(msg)) {
         setFormError(
-          'This berth already has an active reservation. The pending record was created - activate it manually once the other reservation ends.',
+          'This berth already has an active tenancy. The pending record was created - activate it manually once the other tenancy ends.',
         );
       } else {
         setFormError(msg);
diff --git a/src/components/reservations/berth-reservations-list.tsx b/src/components/tenancies/tenancies-list-page.tsx
similarity index 61%
rename from src/components/reservations/berth-reservations-list.tsx
rename to src/components/tenancies/tenancies-list-page.tsx
index e9668e25..b208730d 100644
--- a/src/components/reservations/berth-reservations-list.tsx
+++ b/src/components/tenancies/tenancies-list-page.tsx
@@ -5,30 +5,30 @@ import { useParams } from 'next/navigation';
 import { useQuery } from '@tanstack/react-query';
 
 import { PageHeader } from '@/components/shared/page-header';
-import { ReservationList, type ReservationRow } from '@/components/reservations/reservation-list';
+import { TenancyList, type TenancyRow } from '@/components/tenancies/tenancy-list';
 import { TableSkeleton } from '@/components/shared/loading-skeleton';
 import { apiFetch } from '@/lib/api/client';
 
-interface ReservationsApiResponse {
-  data: ReservationRow[];
+interface TenanciesApiResponse {
+  data: TenancyRow[];
   pagination: { total: number; page: number; pageSize: number };
 }
 
-export function BerthReservationsList() {
+export function TenanciesListPage() {
   const params = useParams<{ portSlug: string }>();
   const portSlug = params?.portSlug ?? '';
 
-  const { data, isLoading } = useQuery<ReservationsApiResponse>({
-    queryKey: ['berth-reservations', 'list'],
-    queryFn: () => apiFetch('/api/v1/berth-reservations?page=1&limit=100&order=desc'),
+  const { data, isLoading } = useQuery<TenanciesApiResponse>({
+    queryKey: ['tenancies', 'list'],
+    queryFn: () => apiFetch('/api/v1/tenancies?page=1&limit=100&order=desc'),
   });
 
   return (
     <div className="flex flex-col gap-6">
       <PageHeader
         eyebrow="Marina"
-        title="Berth Reservations"
-        description="All reservations across all berths"
+        title="Tenancies"
+        description="All tenancies across all berths"
         actions={
           <Link
             href={`/${portSlug}/berths`}
@@ -42,11 +42,11 @@ export function BerthReservationsList() {
       {isLoading ? (
         <TableSkeleton />
       ) : (
-        <ReservationList
-          reservations={data?.data ?? []}
+        <TenancyList
+          tenancies={data?.data ?? []}
           showBerth
           portSlug={portSlug}
-          emptyMessage="No reservations found."
+          emptyMessage="No tenancies found."
         />
       )}
     </div>
diff --git a/src/components/reservations/reservation-detail.tsx b/src/components/tenancies/tenancy-detail.tsx
similarity index 81%
rename from src/components/reservations/reservation-detail.tsx
rename to src/components/tenancies/tenancy-detail.tsx
index af470e88..9eb0936b 100644
--- a/src/components/reservations/reservation-detail.tsx
+++ b/src/components/tenancies/tenancy-detail.tsx
@@ -23,9 +23,9 @@ import { EmptyState } from '@/components/ui/empty-state';
 import { useRealtimeInvalidation } from '@/hooks/use-realtime-invalidation';
 import { apiFetch } from '@/lib/api/client';
 import { toastError } from '@/lib/api/toast-error';
-import { ClientLink, YachtLink, BerthLink } from '@/components/reservations/reservation-list';
+import { ClientLink, YachtLink, BerthLink } from '@/components/tenancies/tenancy-list';
 
-interface ReservationDoc {
+interface TenancyDoc {
   id: string;
   title: string;
   status: string;
@@ -34,7 +34,7 @@ interface ReservationDoc {
   signers: Array<{ id: string; status: string; signerName: string }>;
 }
 
-interface ReservationData {
+interface TenancyData {
   id: string;
   status: string;
   startDate: string;
@@ -47,7 +47,7 @@ interface ReservationData {
   notes: string | null;
 }
 
-const RESERVATION_PILL: Record<string, StatusPillStatus> = {
+const TENANCY_PILL: Record<string, StatusPillStatus> = {
   pending: 'pending',
   active: 'active',
   ended: 'archived',
@@ -58,13 +58,13 @@ function todayIso(): string {
   return new Date().toISOString().slice(0, 10);
 }
 
-interface EndReservationDialogProps {
-  reservationId: string;
+interface EndTenancyDialogProps {
+  tenancyId: string;
   open: boolean;
   onOpenChange: (open: boolean) => void;
 }
 
-function EndReservationDialog({ reservationId, open, onOpenChange }: EndReservationDialogProps) {
+function EndTenancyDialog({ tenancyId, open, onOpenChange }: EndTenancyDialogProps) {
   const qc = useQueryClient();
   const [endDate, setEndDate] = useState(todayIso);
   const [submitting, setSubmitting] = useState(false);
@@ -73,12 +73,12 @@ function EndReservationDialog({ reservationId, open, onOpenChange }: EndReservat
     e.preventDefault();
     setSubmitting(true);
     try {
-      await apiFetch(`/api/v1/berth-reservations/${reservationId}`, {
+      await apiFetch(`/api/v1/tenancies/${tenancyId}`, {
         method: 'PATCH',
         body: { action: 'end', endDate },
       });
-      qc.invalidateQueries({ queryKey: ['reservation', reservationId] });
-      toast.success('Reservation ended');
+      qc.invalidateQueries({ queryKey: ['tenancy', tenancyId] });
+      toast.success('Tenancy ended');
       onOpenChange(false);
     } catch (err) {
       toastError(err);
@@ -91,7 +91,7 @@ function EndReservationDialog({ reservationId, open, onOpenChange }: EndReservat
     <Dialog open={open} onOpenChange={onOpenChange}>
       <DialogContent className="sm:max-w-sm">
         <DialogHeader>
-          <DialogTitle>End reservation</DialogTitle>
+          <DialogTitle>End tenancy</DialogTitle>
         </DialogHeader>
         <form onSubmit={handleSubmit} className="space-y-4 pt-2">
           <div className="space-y-1.5">
@@ -103,7 +103,7 @@ function EndReservationDialog({ reservationId, open, onOpenChange }: EndReservat
               Cancel
             </Button>
             <Button type="submit" variant="destructive" disabled={submitting}>
-              {submitting ? 'Ending…' : 'End reservation'}
+              {submitting ? 'Ending…' : 'End tenancy'}
             </Button>
           </DialogFooter>
         </form>
@@ -112,50 +112,50 @@ function EndReservationDialog({ reservationId, open, onOpenChange }: EndReservat
   );
 }
 
-interface ReservationDetailProps {
-  reservationId: string;
+interface TenancyDetailProps {
+  tenancyId: string;
   portSlug: string;
 }
 
-export function ReservationDetail({ reservationId, portSlug }: ReservationDetailProps) {
+export function TenancyDetail({ tenancyId, portSlug }: TenancyDetailProps) {
   const [endDialogOpen, setEndDialogOpen] = useState(false);
-  const reservation = useQuery<{ data: ReservationData }>({
-    queryKey: ['reservation', reservationId],
-    queryFn: () => apiFetch(`/api/v1/berth-reservations/${reservationId}`),
+  const tenancy = useQuery<{ data: TenancyData }>({
+    queryKey: ['tenancy', tenancyId],
+    queryFn: () => apiFetch(`/api/v1/tenancies/${tenancyId}`),
   });
 
-  const documentsForRes = useQuery<{ data: ReservationDoc[] }>({
-    queryKey: ['documents', 'by-reservation', reservationId],
+  const documentsForTenancy = useQuery<{ data: TenancyDoc[] }>({
+    queryKey: ['documents', 'by-tenancy', tenancyId],
     queryFn: () =>
       apiFetch(
         `/api/v1/documents?documentType=reservation_agreement&signatureOnly=true&limit=10`,
       ).then((res) => {
-        const r = res as { data: ReservationDoc[] & Array<{ reservationId?: string }> };
+        const r = res as { data: TenancyDoc[] & Array<{ tenancyId?: string }> };
         return {
           data: r.data.filter(
-            (d: ReservationDoc & { reservationId?: string }) => d.reservationId === reservationId,
+            (d: TenancyDoc & { tenancyId?: string }) => d.tenancyId === tenancyId,
           ),
-        } as { data: ReservationDoc[] };
+        } as { data: TenancyDoc[] };
       }),
   });
 
   useRealtimeInvalidation({
-    'document:created': [['documents', 'by-reservation', reservationId]],
+    'document:created': [['documents', 'by-tenancy', tenancyId]],
     'document:completed': [
-      ['documents', 'by-reservation', reservationId],
-      ['reservation', reservationId],
+      ['documents', 'by-tenancy', tenancyId],
+      ['tenancy', tenancyId],
     ],
-    'document:cancelled': [['documents', 'by-reservation', reservationId]],
+    'document:cancelled': [['documents', 'by-tenancy', tenancyId]],
   });
 
-  if (reservation.isLoading) {
+  if (tenancy.isLoading) {
     return <div className="h-32 animate-pulse rounded-md bg-muted/40" />;
   }
 
-  if (reservation.error || !reservation.data) {
+  if (tenancy.error || !tenancy.data) {
     return (
       <PageHeader
-        title="Reservation not found"
+        title="Tenancy not found"
         actions={
           <Button asChild variant="outline">
             <Link href={`/${portSlug}/berths`}>
@@ -167,8 +167,8 @@ export function ReservationDetail({ reservationId, portSlug }: ReservationDetail
     );
   }
 
-  const res = reservation.data.data;
-  const docs = documentsForRes.data?.data ?? [];
+  const res = tenancy.data.data;
+  const docs = documentsForTenancy.data?.data ?? [];
   const activeAgreement = docs.find((d) => ['sent', 'partially_signed'].includes(d.status));
   const completedAgreement = docs.find((d) => ['completed', 'signed'].includes(d.status));
 
@@ -199,9 +199,7 @@ export function ReservationDetail({ reservationId, portSlug }: ReservationDetail
               </Link>
             </Button>
           </div>
-          <p className="text-xs text-muted-foreground">
-            Signed contract attached to this reservation.
-          </p>
+          <p className="text-xs text-muted-foreground">Signed contract attached to this tenancy.</p>
         </div>
       );
     }
@@ -254,13 +252,13 @@ export function ReservationDetail({ reservationId, portSlug }: ReservationDetail
     return (
       <EmptyState
         icon={<FileSignature className="h-7 w-7" aria-hidden />}
-        title="No reservation agreement yet"
+        title="No tenancy agreement yet"
         body="Generate an agreement for the parties to sign before activation."
         actions={
           <Button asChild>
             <Link
               href={
-                `/${portSlug}/documents/new?reservationId=${reservationId}&documentType=reservation_agreement` as Route
+                `/${portSlug}/documents/new?tenancyId=${tenancyId}&documentType=reservation_agreement` as Route
               }
             >
               Generate agreement
@@ -274,12 +272,12 @@ export function ReservationDetail({ reservationId, portSlug }: ReservationDetail
   return (
     <div className="flex flex-col gap-4">
       <PageHeader
-        eyebrow="Berth reservation"
-        title={`Reservation #${res.id.slice(0, 8)}`}
+        eyebrow="Berth tenancy"
+        title={`Tenancy #${res.id.slice(0, 8)}`}
         description={`${res.tenureType.replace(/_/g, ' ')} · ${new Date(res.startDate).toLocaleDateString(undefined)}${res.endDate ? ` → ${new Date(res.endDate).toLocaleDateString(undefined)}` : ''}`}
         kpiLine={
           <>
-            <StatusPill status={RESERVATION_PILL[res.status] ?? 'pending'} withDot>
+            <StatusPill status={TENANCY_PILL[res.status] ?? 'pending'} withDot>
               {res.status}
             </StatusPill>
             {res.contractFileId ? <span>Contract attached</span> : <span>No contract</span>}
@@ -290,7 +288,7 @@ export function ReservationDetail({ reservationId, portSlug }: ReservationDetail
             {res.status === 'active' && (
               <Button variant="outline" size="sm" onClick={() => setEndDialogOpen(true)}>
                 <StopCircle className="mr-1.5 h-4 w-4" aria-hidden />
-                End reservation
+                End tenancy
               </Button>
             )}
             <Button asChild variant="outline">
@@ -307,7 +305,7 @@ export function ReservationDetail({ reservationId, portSlug }: ReservationDetail
         <div className="flex flex-col gap-4">
           <section className="rounded-md border bg-white p-4">
             <h2 className="mb-2 text-sm font-semibold uppercase tracking-wide text-muted-foreground">
-              Reservation details
+              Tenancy details
             </h2>
             <dl className="grid grid-cols-2 gap-3 text-sm">
               <div>
@@ -352,8 +350,8 @@ export function ReservationDetail({ reservationId, portSlug }: ReservationDetail
         </div>
       </div>
 
-      <EndReservationDialog
-        reservationId={reservationId}
+      <EndTenancyDialog
+        tenancyId={tenancyId}
         open={endDialogOpen}
         onOpenChange={setEndDialogOpen}
       />
diff --git a/src/components/reservations/reservation-list.tsx b/src/components/tenancies/tenancy-list.tsx
similarity index 92%
rename from src/components/reservations/reservation-list.tsx
rename to src/components/tenancies/tenancy-list.tsx
index 1452dbb3..b9c0ecb9 100644
--- a/src/components/reservations/reservation-list.tsx
+++ b/src/components/tenancies/tenancy-list.tsx
@@ -15,7 +15,7 @@ import {
 import { EmptyState } from '@/components/shared/empty-state';
 import { apiFetch } from '@/lib/api/client';
 
-export interface ReservationRow {
+export interface TenancyRow {
   id: string;
   berthId: string;
   portId: string;
@@ -30,8 +30,8 @@ export interface ReservationRow {
   createdAt: string;
 }
 
-export interface ReservationListProps {
-  reservations: ReservationRow[];
+export interface TenancyListProps {
+  tenancies: TenancyRow[];
   showBerth?: boolean;
   portSlug?: string;
   emptyMessage?: string;
@@ -106,8 +106,8 @@ export function BerthLink({ berthId, portSlug }: { berthId: string; portSlug: st
 /**
  * Renders a status badge with appropriate color coding.
  */
-function StatusBadge({ status }: { status: ReservationRow['status'] }) {
-  const colorMap: Record<ReservationRow['status'], string> = {
+function StatusBadge({ status }: { status: TenancyRow['status'] }) {
+  const colorMap: Record<TenancyRow['status'], string> = {
     pending: 'bg-gray-100 text-gray-800',
     active: 'bg-green-100 text-green-800',
     ended: 'bg-blue-100 text-blue-800',
@@ -145,19 +145,17 @@ function formatDateRange(startDate: string, endDate: string | null): string {
   return `${start} → ${end}`;
 }
 
-export function ReservationList({
-  reservations,
+export function TenancyList({
+  tenancies,
   showBerth = false,
   portSlug: portSlugProp,
   emptyMessage,
-}: ReservationListProps) {
+}: TenancyListProps) {
   const routeParams = useParams<{ portSlug: string }>();
   const portSlug = portSlugProp ?? routeParams?.portSlug ?? '';
 
-  if (reservations.length === 0) {
-    return (
-      <EmptyState title="No reservations" description={emptyMessage ?? 'No reservations yet.'} />
-    );
+  if (tenancies.length === 0) {
+    return <EmptyState title="No tenancies" description={emptyMessage ?? 'No tenancies yet.'} />;
   }
 
   return (
@@ -175,7 +173,7 @@ export function ReservationList({
           </TableRow>
         </TableHeader>
         <TableBody>
-          {reservations.map((r) => (
+          {tenancies.map((r) => (
             <TableRow key={r.id}>
               {showBerth && (
                 <TableCell>
diff --git a/src/components/yachts/yacht-tabs.tsx b/src/components/yachts/yacht-tabs.tsx
index edefa10b..2c53e5e9 100644
--- a/src/components/yachts/yacht-tabs.tsx
+++ b/src/components/yachts/yacht-tabs.tsx
@@ -9,7 +9,7 @@ import { FieldHistoryProvider, FieldHistoryIcon } from '@/components/shared/fiel
 import { InlineTagEditor } from '@/components/shared/inline-tag-editor';
 import { NotesList } from '@/components/shared/notes-list';
 import { EntityActivityFeed } from '@/components/shared/entity-activity-feed';
-import { ReservationList, type ReservationRow } from '@/components/reservations/reservation-list';
+import { TenancyList, type TenancyRow } from '@/components/tenancies/tenancy-list';
 import { RemindersInline } from '@/components/reminders/reminders-inline';
 import { YachtOwnershipHistory } from '@/components/yachts/yacht-ownership-history';
 import { feetToMeters, metersToFeet } from '@/components/yachts/yacht-dimensions';
@@ -334,23 +334,23 @@ function YachtInterestsTab({ yachtId }: { yachtId: string }) {
   );
 }
 
-function YachtReservationsTab({ yachtId }: { yachtId: string }) {
+function YachtTenanciesTab({ yachtId }: { yachtId: string }) {
   const routeParams = useParams<{ portSlug: string }>();
   const portSlug = routeParams?.portSlug ?? '';
 
-  const { data, isLoading } = useQuery<{ data: ReservationRow[] }>({
-    queryKey: ['berth-reservations', 'by-yacht', yachtId],
-    queryFn: () => apiFetch(`/api/v1/berth-reservations?yachtId=${yachtId}&limit=50&order=desc`),
+  const { data, isLoading } = useQuery<{ data: TenancyRow[] }>({
+    queryKey: ['tenancies', 'by-yacht', yachtId],
+    queryFn: () => apiFetch(`/api/v1/tenancies?yachtId=${yachtId}&limit=50&order=desc`),
   });
 
   if (isLoading) return <p className="text-sm text-muted-foreground">Loading…</p>;
 
   return (
-    <ReservationList
-      reservations={data?.data ?? []}
+    <TenancyList
+      tenancies={data?.data ?? []}
       showBerth
       portSlug={portSlug}
-      emptyMessage="No reservations for this yacht."
+      emptyMessage="No tenancies for this yacht."
     />
   );
 }
@@ -373,9 +373,9 @@ export function getYachtTabs({ yachtId, currentUserId, yacht }: YachtTabsOptions
       content: <YachtInterestsTab yachtId={yachtId} />,
     },
     {
-      id: 'reservations',
-      label: 'Reservations',
-      content: <YachtReservationsTab yachtId={yachtId} />,
+      id: 'tenancies',
+      label: 'Tenancies',
+      content: <YachtTenanciesTab yachtId={yachtId} />,
     },
     {
       id: 'notes',
diff --git a/src/lib/db/migrations/0085_rename_reservations_to_tenancies.sql b/src/lib/db/migrations/0085_rename_reservations_to_tenancies.sql
new file mode 100644
index 00000000..11f656a9
--- /dev/null
+++ b/src/lib/db/migrations/0085_rename_reservations_to_tenancies.sql
@@ -0,0 +1,129 @@
+-- 0085_rename_reservations_to_tenancies.sql
+-- Rename berth_reservations → berth_tenancies (table + indexes + FK constraints +
+-- documents.reservation_id column) and migrate jsonb permission maps (rename
+-- the `reservations` resource key → `tenancies`, collapse the create/activate
+-- actions into a single `manage`). See docs/tenancies-design.md.
+--
+-- The data is preserved verbatim; this is a pure rename at the storage
+-- layer. Permission shape change: { view, create, activate, cancel }
+-- collapses to { view, manage, cancel } (manage = old create OR activate).
+
+-- 1. Rename the table.
+ALTER TABLE berth_reservations RENAME TO berth_tenancies;
+
+-- 2. Rename indexes (idx_br_* / idx_brr_* → idx_bt_*).
+ALTER INDEX idx_br_berth RENAME TO idx_bt_berth;
+ALTER INDEX idx_br_client RENAME TO idx_bt_client;
+ALTER INDEX idx_br_yacht RENAME TO idx_bt_yacht;
+ALTER INDEX idx_br_port RENAME TO idx_bt_port;
+ALTER INDEX idx_brr_interest RENAME TO idx_bt_interest;
+ALTER INDEX idx_brr_contract_file RENAME TO idx_bt_contract_file;
+ALTER INDEX idx_br_active RENAME TO idx_bt_active;
+
+-- 3. Rename FK constraints so Drizzle-derived names match the new table.
+--    Wrapped in DO-blocks so dev DBs that pre-date 0042 (and therefore
+--    are missing some FKs) don't abort the migration.
+DO $$ BEGIN
+  IF EXISTS (SELECT 1 FROM pg_constraint WHERE conrelid='berth_tenancies'::regclass AND conname='berth_reservations_berth_id_berths_id_fk') THEN
+    ALTER TABLE berth_tenancies RENAME CONSTRAINT berth_reservations_berth_id_berths_id_fk TO berth_tenancies_berth_id_berths_id_fk;
+  END IF;
+END $$;
+DO $$ BEGIN
+  IF EXISTS (SELECT 1 FROM pg_constraint WHERE conrelid='berth_tenancies'::regclass AND conname='berth_reservations_port_id_ports_id_fk') THEN
+    ALTER TABLE berth_tenancies RENAME CONSTRAINT berth_reservations_port_id_ports_id_fk TO berth_tenancies_port_id_ports_id_fk;
+  END IF;
+END $$;
+DO $$ BEGIN
+  IF EXISTS (SELECT 1 FROM pg_constraint WHERE conrelid='berth_tenancies'::regclass AND conname='berth_reservations_client_id_clients_id_fk') THEN
+    ALTER TABLE berth_tenancies RENAME CONSTRAINT berth_reservations_client_id_clients_id_fk TO berth_tenancies_client_id_clients_id_fk;
+  END IF;
+END $$;
+DO $$ BEGIN
+  IF EXISTS (SELECT 1 FROM pg_constraint WHERE conrelid='berth_tenancies'::regclass AND conname='berth_reservations_yacht_id_yachts_id_fk') THEN
+    ALTER TABLE berth_tenancies RENAME CONSTRAINT berth_reservations_yacht_id_yachts_id_fk TO berth_tenancies_yacht_id_yachts_id_fk;
+  END IF;
+END $$;
+DO $$ BEGIN
+  IF EXISTS (SELECT 1 FROM pg_constraint WHERE conrelid='berth_tenancies'::regclass AND conname='berth_reservations_interest_id_interests_id_fk') THEN
+    ALTER TABLE berth_tenancies RENAME CONSTRAINT berth_reservations_interest_id_interests_id_fk TO berth_tenancies_interest_id_interests_id_fk;
+  END IF;
+END $$;
+DO $$ BEGIN
+  IF EXISTS (SELECT 1 FROM pg_constraint WHERE conrelid='berth_tenancies'::regclass AND conname='berth_reservations_contract_file_id_files_id_fk') THEN
+    ALTER TABLE berth_tenancies RENAME CONSTRAINT berth_reservations_contract_file_id_files_id_fk TO berth_tenancies_contract_file_id_files_id_fk;
+  END IF;
+END $$;
+
+-- 4. Rename the FK column on documents from reservation_id → tenancy_id.
+DO $$ BEGIN
+  IF EXISTS (SELECT 1 FROM information_schema.columns WHERE table_name='documents' AND column_name='reservation_id') THEN
+    ALTER TABLE documents RENAME COLUMN reservation_id TO tenancy_id;
+  END IF;
+END $$;
+
+DO $$ BEGIN
+  IF EXISTS (SELECT 1 FROM pg_indexes WHERE tablename='documents' AND indexname='idx_docs_reservation') THEN
+    ALTER INDEX idx_docs_reservation RENAME TO idx_docs_tenancy;
+  END IF;
+END $$;
+
+DO $$ BEGIN
+  IF EXISTS (
+    SELECT 1 FROM pg_constraint
+    WHERE conrelid = 'documents'::regclass
+      AND conname = 'documents_reservation_id_berth_reservations_id_fk'
+  ) THEN
+    ALTER TABLE documents RENAME CONSTRAINT documents_reservation_id_berth_reservations_id_fk TO documents_tenancy_id_berth_tenancies_id_fk;
+  END IF;
+END $$;
+
+-- 5. Migrate jsonb permission maps: rename the resource key + collapse actions.
+UPDATE roles
+SET permissions = (
+  (permissions - 'reservations') ||
+  jsonb_build_object(
+    'tenancies',
+    jsonb_build_object(
+      'view',   COALESCE((permissions -> 'reservations' ->> 'view')::boolean, false),
+      'manage', (COALESCE((permissions -> 'reservations' ->> 'create')::boolean, false)
+              OR COALESCE((permissions -> 'reservations' ->> 'activate')::boolean, false)),
+      'cancel', COALESCE((permissions -> 'reservations' ->> 'cancel')::boolean, false)
+    )
+  )
+)
+WHERE permissions ? 'reservations';
+
+UPDATE port_role_overrides
+SET permission_overrides = (
+  (permission_overrides - 'reservations') ||
+  jsonb_build_object(
+    'tenancies',
+    jsonb_build_object(
+      'view',   COALESCE((permission_overrides -> 'reservations' ->> 'view')::boolean, false),
+      'manage', (COALESCE((permission_overrides -> 'reservations' ->> 'create')::boolean, false)
+              OR COALESCE((permission_overrides -> 'reservations' ->> 'activate')::boolean, false)),
+      'cancel', COALESCE((permission_overrides -> 'reservations' ->> 'cancel')::boolean, false)
+    )
+  )
+)
+WHERE permission_overrides ? 'reservations';
+
+UPDATE user_permission_overrides
+SET permission_overrides = (
+  (permission_overrides - 'reservations') ||
+  jsonb_build_object(
+    'tenancies',
+    jsonb_build_object(
+      'view',   COALESCE((permission_overrides -> 'reservations' ->> 'view')::boolean, false),
+      'manage', (COALESCE((permission_overrides -> 'reservations' ->> 'create')::boolean, false)
+              OR COALESCE((permission_overrides -> 'reservations' ->> 'activate')::boolean, false)),
+      'cancel', COALESCE((permission_overrides -> 'reservations' ->> 'cancel')::boolean, false)
+    )
+  )
+)
+WHERE permission_overrides ? 'reservations';
+
+-- 6. Migrate historical audit-log entity_type strings so the dashboard
+--    activity feed groups old + new events under the same label.
+UPDATE audit_logs SET entity_type = 'berth_tenancy'
+WHERE entity_type = 'berth_reservation';
diff --git a/src/lib/db/schema/documents.ts b/src/lib/db/schema/documents.ts
index 3b87029f..8d9c2deb 100644
--- a/src/lib/db/schema/documents.ts
+++ b/src/lib/db/schema/documents.ts
@@ -17,7 +17,7 @@ import { clients } from './clients';
 import { yachts } from './yachts';
 import { companies } from './companies';
 import { interests } from './interests';
-import { berthReservations } from './reservations';
+import { berthTenancies } from './tenancies';
 
 export const files = pgTable(
   'files',
@@ -90,7 +90,7 @@ export const documents = pgTable(
     clientId: text('client_id').references(() => clients.id, { onDelete: 'set null' }),
     yachtId: text('yacht_id').references(() => yachts.id, { onDelete: 'set null' }),
     companyId: text('company_id').references(() => companies.id, { onDelete: 'set null' }),
-    reservationId: text('reservation_id').references(() => berthReservations.id, {
+    tenancyId: text('tenancy_id').references(() => berthTenancies.id, {
       onDelete: 'set null',
     }),
     folderId: text('folder_id').references((): AnyPgColumn => documentFolders.id, {
@@ -155,7 +155,7 @@ export const documents = pgTable(
     index('idx_docs_client').on(table.clientId),
     index('idx_documents_yacht').on(table.yachtId),
     index('idx_documents_company').on(table.companyId),
-    index('idx_docs_reservation').on(table.reservationId),
+    index('idx_docs_tenancy').on(table.tenancyId),
     index('idx_docs_type').on(table.portId, table.documentType),
     index('idx_docs_status_port').on(table.portId, table.status),
     // Cover the file FKs Postgres doesn't auto-index. Without these,
diff --git a/src/lib/db/schema/index.ts b/src/lib/db/schema/index.ts
index 8fea507a..852bc084 100644
--- a/src/lib/db/schema/index.ts
+++ b/src/lib/db/schema/index.ts
@@ -19,8 +19,8 @@ export * from './interests';
 // Berths
 export * from './berths';
 
-// Reservations
-export * from './reservations';
+// Tenancies (formerly berth_reservations)
+export * from './tenancies';
 
 // Documents & Files
 export * from './documents';
diff --git a/src/lib/db/schema/relations.ts b/src/lib/db/schema/relations.ts
index 356c8f7a..f9ea865f 100644
--- a/src/lib/db/schema/relations.ts
+++ b/src/lib/db/schema/relations.ts
@@ -43,8 +43,8 @@ import {
   berthPdfVersions,
 } from './berths';
 
-// Reservations
-import { berthReservations } from './reservations';
+// Tenancies (formerly berth_reservations)
+import { berthTenancies } from './tenancies';
 
 // Documents
 import {
@@ -104,7 +104,7 @@ export const portsRelations = relations(ports, ({ many }) => ({
   yachts: many(yachts),
   companies: many(companies),
   berths: many(berths),
-  berthReservations: many(berthReservations),
+  berthTenancies: many(berthTenancies),
   documents: many(documents),
   documentTemplates: many(documentTemplates),
   formTemplates: many(formTemplates),
@@ -187,7 +187,7 @@ export const clientsRelations = relations(clients, ({ one, many }) => ({
   formSubmissions: many(formSubmissions),
   addresses: many(clientAddresses),
   companyMemberships: many(companyMemberships),
-  berthReservations: many(berthReservations),
+  berthTenancies: many(berthTenancies),
 }));
 
 export const clientContactsRelations = relations(clientContacts, ({ one }) => ({
@@ -318,7 +318,7 @@ export const yachtsRelations = relations(yachts, ({ one, many }) => ({
   notes: many(yachtNotes),
   tags: many(yachtTags),
   interests: many(interests),
-  reservations: many(berthReservations),
+  tenancies: many(berthTenancies),
   documents: many(documents),
 }));
 
@@ -482,31 +482,31 @@ export const berthTagsRelations = relations(berthTags, ({ one }) => ({
   }),
 }));
 
-// ─── Berth Reservations ───────────────────────────────────────────────────────
+// ─── Berth Tenancies ──────────────────────────────────────────────────────────
 
-export const berthReservationsRelations = relations(berthReservations, ({ one, many }) => ({
+export const berthTenanciesRelations = relations(berthTenancies, ({ one, many }) => ({
   berth: one(berths, {
-    fields: [berthReservations.berthId],
+    fields: [berthTenancies.berthId],
     references: [berths.id],
   }),
   port: one(ports, {
-    fields: [berthReservations.portId],
+    fields: [berthTenancies.portId],
     references: [ports.id],
   }),
   client: one(clients, {
-    fields: [berthReservations.clientId],
+    fields: [berthTenancies.clientId],
     references: [clients.id],
   }),
   yacht: one(yachts, {
-    fields: [berthReservations.yachtId],
+    fields: [berthTenancies.yachtId],
     references: [yachts.id],
   }),
   interest: one(interests, {
-    fields: [berthReservations.interestId],
+    fields: [berthTenancies.interestId],
     references: [interests.id],
   }),
   contractFile: one(files, {
-    fields: [berthReservations.contractFileId],
+    fields: [berthTenancies.contractFileId],
     references: [files.id],
   }),
   documents: many(documents),
@@ -566,9 +566,9 @@ export const documentsRelations = relations(documents, ({ one, many }) => ({
     fields: [documents.companyId],
     references: [companies.id],
   }),
-  reservation: one(berthReservations, {
-    fields: [documents.reservationId],
-    references: [berthReservations.id],
+  tenancy: one(berthTenancies, {
+    fields: [documents.tenancyId],
+    references: [berthTenancies.id],
   }),
   folder: one(documentFolders, {
     fields: [documents.folderId],
diff --git a/src/lib/db/schema/reservations.ts b/src/lib/db/schema/tenancies.ts
similarity index 66%
rename from src/lib/db/schema/reservations.ts
rename to src/lib/db/schema/tenancies.ts
index 68838827..37c3610b 100644
--- a/src/lib/db/schema/reservations.ts
+++ b/src/lib/db/schema/tenancies.ts
@@ -7,17 +7,17 @@ import { yachts } from './yachts';
 import { interests } from './interests';
 import { files } from './documents';
 
-export const berthReservations = pgTable(
-  'berth_reservations',
+export const berthTenancies = pgTable(
+  'berth_tenancies',
   {
     id: text('id')
       .primaryKey()
       .$defaultFn(() => crypto.randomUUID()),
-    // H-01: reservations are the canonical "who occupies a berth right
+    // H-01: tenancies are the canonical "who occupies a berth right
     // now" record; RESTRICT on every parent FK keeps an ad-hoc DB-side
-    // hard-delete from leaving a reservation pointing at a missing
+    // hard-delete from leaving a tenancy pointing at a missing
     // berth/client/yacht. Interest is nullable + SET NULL because a
-    // reservation legitimately outlives the originating deal.
+    // tenancy legitimately outlives the originating deal.
     berthId: text('berth_id')
       .notNull()
       .references(() => berths.id, { onDelete: 'restrict' }),
@@ -36,7 +36,7 @@ export const berthReservations = pgTable(
     endDate: timestamp('end_date', { withTimezone: true, mode: 'date' }),
     // M-L01: canonical tenure_type union is
     // `permanent | fixed_term | fee_simple | strata_lot | seasonal`
-    // (kept in sync with berths.tenure_type). 'seasonal' is reservation-
+    // (kept in sync with berths.tenure_type). 'seasonal' is tenancy-
     // specific (winter haul-out etc.); the others mirror the berth's
     // own tenure shape. Configurable via the per-port vocabulary at
     // /admin/vocabularies (key: berth_tenure_types).
@@ -48,21 +48,17 @@ export const berthReservations = pgTable(
     updatedAt: timestamp('updated_at', { withTimezone: true }).notNull().defaultNow(),
   },
   (table) => [
-    index('idx_br_berth').on(table.berthId),
-    index('idx_br_client').on(table.clientId),
-    index('idx_br_yacht').on(table.yachtId),
-    index('idx_br_port').on(table.portId),
-    // Cover the FKs Postgres doesn't auto-index. Without these, deleting
-    // (or restrict-checking) the parent interest / contract file row
-    // requires a full scan of berth_reservations. (idx_br_interest is
-    // already used by berth_recommendations - namespace this one.)
-    index('idx_brr_interest').on(table.interestId),
-    index('idx_brr_contract_file').on(table.contractFileId),
-    uniqueIndex('idx_br_active')
+    index('idx_bt_berth').on(table.berthId),
+    index('idx_bt_client').on(table.clientId),
+    index('idx_bt_yacht').on(table.yachtId),
+    index('idx_bt_port').on(table.portId),
+    index('idx_bt_interest').on(table.interestId),
+    index('idx_bt_contract_file').on(table.contractFileId),
+    uniqueIndex('idx_bt_active')
       .on(table.berthId)
       .where(sql`${table.status} = 'active'`),
   ],
 );
 
-export type BerthReservation = typeof berthReservations.$inferSelect;
-export type NewBerthReservation = typeof berthReservations.$inferInsert;
+export type BerthTenancy = typeof berthTenancies.$inferSelect;
+export type NewBerthTenancy = typeof berthTenancies.$inferInsert;
diff --git a/src/lib/db/schema/users.ts b/src/lib/db/schema/users.ts
index f4bb43ba..197365fa 100644
--- a/src/lib/db/schema/users.ts
+++ b/src/lib/db/schema/users.ts
@@ -130,10 +130,9 @@ export type RolePermissions = {
     view: boolean;
     manage: boolean;
   };
-  reservations: {
+  tenancies: {
     view: boolean;
-    create: boolean;
-    activate: boolean;
+    manage: boolean;
     cancel: boolean;
   };
   admin: {
diff --git a/src/lib/db/seed-data.ts b/src/lib/db/seed-data.ts
index 1fd73a71..1de6cb3c 100644
--- a/src/lib/db/seed-data.ts
+++ b/src/lib/db/seed-data.ts
@@ -37,7 +37,7 @@ import {
   yachts,
   yachtOwnershipHistory,
   berths,
-  berthReservations,
+  berthTenancies,
   interests,
   interestBerths,
   documentTemplates,
@@ -115,7 +115,7 @@ export interface SeedSummary {
   companies: number;
   yachts: number;
   interests: number;
-  reservations: number;
+  tenancies: number;
 }
 
 // ─── Main ────────────────────────────────────────────────────────────────────
@@ -1049,7 +1049,7 @@ export async function seedPortData(portId: string, portSlug: string): Promise<Se
 
     const cancelledAssignment = { berthIdx: 0, clientIdx: 2, yachtIdx: 2, startDaysAgo: 30 };
 
-    const reservationValues: Array<typeof berthReservations.$inferInsert> = [];
+    const reservationValues: Array<typeof berthTenancies.$inferInsert> = [];
 
     for (const a of activeAssignments) {
       reservationValues.push({
@@ -1090,7 +1090,7 @@ export async function seedPortData(portId: string, portSlug: string): Promise<Se
       notes: 'Cancelled by client before activation.',
     });
 
-    await tx.insert(berthReservations).values(reservationValues);
+    await tx.insert(berthTenancies).values(reservationValues);
 
     return {
       berths: berthRows.length,
@@ -1098,7 +1098,7 @@ export async function seedPortData(portId: string, portSlug: string): Promise<Se
       companies: companyRows.length,
       yachts: yachtRows.length,
       interests: interestPlan.length,
-      reservations: reservationValues.length,
+      tenancies: reservationValues.length,
     };
   });
 }
diff --git a/src/lib/db/seed-permissions.ts b/src/lib/db/seed-permissions.ts
index 9c04b43f..b7354ae8 100644
--- a/src/lib/db/seed-permissions.ts
+++ b/src/lib/db/seed-permissions.ts
@@ -67,7 +67,7 @@ export const ALL_PERMISSIONS: RolePermissions = {
   yachts: { view: true, create: true, edit: true, delete: true, transfer: true },
   companies: { view: true, create: true, edit: true, delete: true },
   memberships: { view: true, manage: true },
-  reservations: { view: true, create: true, activate: true, cancel: true },
+  tenancies: { view: true, manage: true, cancel: true },
   admin: {
     manage_users: true,
     view_audit_log: true,
@@ -146,7 +146,7 @@ export const DIRECTOR_PERMISSIONS: RolePermissions = {
   yachts: { view: true, create: true, edit: true, delete: true, transfer: true },
   companies: { view: true, create: true, edit: true, delete: true },
   memberships: { view: true, manage: true },
-  reservations: { view: true, create: true, activate: true, cancel: true },
+  tenancies: { view: true, manage: true, cancel: true },
   admin: {
     manage_users: true,
     view_audit_log: true,
@@ -225,7 +225,7 @@ export const SALES_MANAGER_PERMISSIONS: RolePermissions = {
   yachts: { view: true, create: true, edit: true, delete: false, transfer: true },
   companies: { view: true, create: true, edit: true, delete: false },
   memberships: { view: true, manage: true },
-  reservations: { view: true, create: true, activate: true, cancel: true },
+  tenancies: { view: true, manage: true, cancel: true },
   admin: {
     manage_users: false,
     view_audit_log: false,
@@ -304,7 +304,7 @@ export const SALES_AGENT_PERMISSIONS: RolePermissions = {
   yachts: { view: true, create: true, edit: true, delete: false, transfer: false },
   companies: { view: true, create: true, edit: false, delete: false },
   memberships: { view: true, manage: false },
-  reservations: { view: true, create: true, activate: true, cancel: false },
+  tenancies: { view: true, manage: true, cancel: false },
   admin: {
     manage_users: false,
     view_audit_log: false,
@@ -389,7 +389,7 @@ export const VIEWER_PERMISSIONS: RolePermissions = {
   yachts: { view: true, create: false, edit: false, delete: false, transfer: false },
   companies: { view: true, create: false, edit: false, delete: false },
   memberships: { view: true, manage: false },
-  reservations: { view: true, create: false, activate: false, cancel: false },
+  tenancies: { view: true, manage: false, cancel: false },
   admin: {
     manage_users: false,
     view_audit_log: false,
@@ -477,7 +477,7 @@ export const RESIDENTIAL_PARTNER_PERMISSIONS: RolePermissions = {
   yachts: { view: false, create: false, edit: false, delete: false, transfer: false },
   companies: { view: false, create: false, edit: false, delete: false },
   memberships: { view: false, manage: false },
-  reservations: { view: false, create: false, activate: false, cancel: false },
+  tenancies: { view: false, manage: false, cancel: false },
   admin: {
     manage_users: false,
     view_audit_log: false,
diff --git a/src/lib/db/seed-synthetic-data.ts b/src/lib/db/seed-synthetic-data.ts
index 52edb020..f6c25cf7 100644
--- a/src/lib/db/seed-synthetic-data.ts
+++ b/src/lib/db/seed-synthetic-data.ts
@@ -30,7 +30,7 @@ import {
   yachts,
   yachtOwnershipHistory,
   berths,
-  berthReservations,
+  berthTenancies,
   interests,
   interestBerths,
 } from './schema';
@@ -700,10 +700,10 @@ export async function seedSyntheticPortData(
     // ── 9. Reservations ─────────────────────────────────────────────────────
     // One active reservation on the under_offer berth held by Carla,
     // one cancelled on an available berth.
-    // berthReservations requires a yacht - wire both to the charter co.
+    // berthTenancies requires a yacht - wire both to the charter co.
     // flagship since Carla / Olivia don't own yachts yet.
     const sharedYachtId = charterYachtRow[1]!.id;
-    await tx.insert(berthReservations).values([
+    await tx.insert(berthTenancies).values([
       {
         portId,
         berthId: berthRows[5]!.id,
diff --git a/src/lib/db/seed.ts b/src/lib/db/seed.ts
index 1b7c1328..d56d8436 100644
--- a/src/lib/db/seed.ts
+++ b/src/lib/db/seed.ts
@@ -39,7 +39,7 @@ async function seed() {
     } else {
       const x = s.summary;
       console.log(
-        `  ✓ Port "${s.name}" - ${x.berths} berths, ${x.clients} clients, ${x.companies} companies, ${x.yachts} yachts, ${x.interests} interests, ${x.reservations} reservations`,
+        `  ✓ Port "${s.name}" - ${x.berths} berths, ${x.clients} clients, ${x.companies} companies, ${x.yachts} yachts, ${x.interests} interests, ${x.tenancies} tenancies`,
       );
     }
   }
diff --git a/src/lib/services/alert-rules.ts b/src/lib/services/alert-rules.ts
index 2b093754..b8f61fd3 100644
--- a/src/lib/services/alert-rules.ts
+++ b/src/lib/services/alert-rules.ts
@@ -15,7 +15,7 @@ import { and, eq, isNull, isNotNull, lt, sql, inArray, or } from 'drizzle-orm';
 
 import { db } from '@/lib/db';
 import { interests } from '@/lib/db/schema/interests';
-import { berthReservations } from '@/lib/db/schema/reservations';
+import { berthTenancies } from '@/lib/db/schema/tenancies';
 import { berths } from '@/lib/db/schema/berths';
 import { documents, documentSigners } from '@/lib/db/schema/documents';
 import { expenses } from '@/lib/db/schema/financial';
@@ -39,20 +39,20 @@ function daysAgo(n: number): Date {
 async function reservationNoAgreement(portId: string): Promise<AlertCandidate[]> {
   const rows = await db
     .select({
-      id: berthReservations.id,
-      startDate: berthReservations.startDate,
-      clientName: sql<string>`coalesce((SELECT full_name FROM clients WHERE id = ${berthReservations.clientId}), 'unknown')`,
-      yachtName: sql<string>`coalesce((SELECT name FROM yachts WHERE id = ${berthReservations.yachtId}), 'unknown')`,
+      id: berthTenancies.id,
+      startDate: berthTenancies.startDate,
+      clientName: sql<string>`coalesce((SELECT full_name FROM clients WHERE id = ${berthTenancies.clientId}), 'unknown')`,
+      yachtName: sql<string>`coalesce((SELECT name FROM yachts WHERE id = ${berthTenancies.yachtId}), 'unknown')`,
     })
-    .from(berthReservations)
+    .from(berthTenancies)
     .where(
       and(
-        eq(berthReservations.portId, portId),
-        eq(berthReservations.status, 'active'),
-        lt(berthReservations.createdAt, daysAgo(3)),
+        eq(berthTenancies.portId, portId),
+        eq(berthTenancies.status, 'active'),
+        lt(berthTenancies.createdAt, daysAgo(3)),
         sql`NOT EXISTS (
           SELECT 1 FROM ${documents}
-          WHERE ${documents.reservationId} = ${berthReservations.id}
+          WHERE ${documents.tenancyId} = ${berthTenancies.id}
             AND ${documents.documentType} = 'reservation_agreement'
             AND ${documents.status} NOT IN ('cancelled', 'expired')
         )`,
@@ -64,7 +64,7 @@ async function reservationNoAgreement(portId: string): Promise<AlertCandidate[]>
     severity: 'warning',
     title: `Reservation needs an agreement`,
     body: `Active reservation for ${r.yachtName} (${r.clientName}) has no signed agreement yet.`,
-    link: `/[port]/berth-reservations/${r.id}`,
+    link: `/[port]/tenancies/${r.id}`,
     entityType: 'reservation',
     entityId: r.id,
   }));
diff --git a/src/lib/services/berth-reservations.service.ts b/src/lib/services/berth-tenancies.service.ts
similarity index 69%
rename from src/lib/services/berth-reservations.service.ts
rename to src/lib/services/berth-tenancies.service.ts
index 8537d983..298d37b3 100644
--- a/src/lib/services/berth-reservations.service.ts
+++ b/src/lib/services/berth-tenancies.service.ts
@@ -1,6 +1,6 @@
 import { and, eq, isNull } from 'drizzle-orm';
 import { db } from '@/lib/db';
-import { berthReservations, type BerthReservation } from '@/lib/db/schema/reservations';
+import { berthTenancies, type BerthTenancy } from '@/lib/db/schema/tenancies';
 import { berths } from '@/lib/db/schema/berths';
 import { clients } from '@/lib/db/schema/clients';
 import { files } from '@/lib/db/schema/documents';
@@ -11,26 +11,26 @@ import { createAuditLog, type AuditMeta } from '@/lib/audit';
 import { ConflictError, NotFoundError, ValidationError } from '@/lib/errors';
 import { emitToRoom } from '@/lib/socket/server';
 import type { z } from 'zod';
-import { createPendingSchema } from '@/lib/validators/reservations';
+import { createPendingSchema } from '@/lib/validators/tenancies';
 import type {
   ActivateInput,
-  EndReservationInput,
+  EndTenancyInput,
   CancelInput,
-  ListReservationsInput,
-} from '@/lib/validators/reservations';
+  ListTenanciesInput,
+} from '@/lib/validators/tenancies';
 
 // Use z.input so callers (including tests) can omit fields with
 // `.default()` like `tenureType`. The service re-parses below to get
 // the post-coercion shape Drizzle expects (Date, defaulted tenureType).
 type CreatePendingInput = z.input<typeof createPendingSchema>;
 
-export type { BerthReservation };
+export type { BerthTenancy };
 
 // ─── Helpers ─────────────────────────────────────────────────────────────────
 
 /**
  * Returns true if the error is a Postgres unique-violation (SQLSTATE 23505)
- * raised specifically on the `idx_br_active` partial unique index. Narrowing
+ * raised specifically on the `idx_bt_active` partial unique index. Narrowing
  * to this constraint name prevents us from swallowing unrelated unique
  * violations.
  */
@@ -46,11 +46,11 @@ function isBerthActiveConflict(err: unknown): boolean {
   if (code !== '23505') return false;
   const constraint =
     e.constraint_name ?? e.constraint ?? e.cause?.constraint_name ?? e.cause?.constraint;
-  return constraint === 'idx_br_active';
+  return constraint === 'idx_bt_active';
 }
 
 /**
- * Cross-references the reservation's client against the yacht's current owner.
+ * Cross-references the tenancy's client against the yacht's current owner.
  * Either the yacht is directly owned by the client, OR the client has an
  * active (endDate IS NULL) company_membership on the owning company.
  */
@@ -73,14 +73,14 @@ async function assertClientOwnsOrRepresentsYacht(
     if (membership) return;
   }
 
-  throw new ValidationError('yacht does not belong to reservation client');
+  throw new ValidationError('yacht does not belong to tenancy client');
 }
 
-async function loadScoped(id: string, portId: string): Promise<BerthReservation> {
-  const row = await db.query.berthReservations.findFirst({
-    where: and(eq(berthReservations.id, id), eq(berthReservations.portId, portId)),
+async function loadScoped(id: string, portId: string): Promise<BerthTenancy> {
+  const row = await db.query.berthTenancies.findFirst({
+    where: and(eq(berthTenancies.id, id), eq(berthTenancies.portId, portId)),
   });
-  if (!row) throw new NotFoundError('Reservation');
+  if (!row) throw new NotFoundError('Tenancy');
   return row;
 }
 
@@ -90,7 +90,7 @@ export async function createPending(
   portId: string,
   data: CreatePendingInput,
   meta: AuditMeta,
-): Promise<BerthReservation> {
+): Promise<BerthTenancy> {
   // Tenant-scoped existence checks (berth, client, yacht).
   const berth = await db.query.berths.findFirst({
     where: and(eq(berths.id, data.berthId), eq(berths.portId, portId)),
@@ -118,8 +118,8 @@ export async function createPending(
   // z.input is too loose to satisfy that.
   const parsed = createPendingSchema.parse(data);
 
-  const [reservation] = await db
-    .insert(berthReservations)
+  const [tenancy] = await db
+    .insert(berthTenancies)
     .values({
       portId,
       berthId: parsed.berthId,
@@ -138,48 +138,48 @@ export async function createPending(
     userId: meta.userId,
     portId,
     action: 'create',
-    entityType: 'berth_reservation',
-    entityId: reservation!.id,
+    entityType: 'berth_tenancy',
+    entityId: tenancy!.id,
     newValue: {
-      berthId: reservation!.berthId,
-      clientId: reservation!.clientId,
-      yachtId: reservation!.yachtId,
-      status: reservation!.status,
-      startDate: reservation!.startDate,
+      berthId: tenancy!.berthId,
+      clientId: tenancy!.clientId,
+      yachtId: tenancy!.yachtId,
+      status: tenancy!.status,
+      startDate: tenancy!.startDate,
     },
     ipAddress: meta.ipAddress,
     userAgent: meta.userAgent,
   });
 
-  emitToRoom(`port:${portId}`, 'berth_reservation:created', {
-    reservationId: reservation!.id,
-    berthId: reservation!.berthId,
+  emitToRoom(`port:${portId}`, 'berth_tenancy:created', {
+    tenancyId: tenancy!.id,
+    berthId: tenancy!.berthId,
   });
 
-  return reservation!;
+  return tenancy!;
 }
 
 // ─── Activate (pending → active) ─────────────────────────────────────────────
 
 export async function activate(
-  reservationId: string,
+  tenancyId: string,
   portId: string,
   data: ActivateInput,
   meta: AuditMeta,
-): Promise<BerthReservation> {
-  const existing = await loadScoped(reservationId, portId);
+): Promise<BerthTenancy> {
+  const existing = await loadScoped(tenancyId, portId);
 
   if (existing.status !== 'pending') {
     throw new ValidationError(`invalid transition: ${existing.status} → active`);
   }
 
-  const patch: Partial<typeof berthReservations.$inferInsert> = {
+  const patch: Partial<typeof berthTenancies.$inferInsert> = {
     status: 'active',
     updatedAt: new Date(),
   };
   if (data.contractFileId !== undefined) {
     // Verify the contract file lives in the caller's port. Without this,
-    // a port-A user activating a port-A reservation could attach a
+    // a port-A user activating a port-A tenancy could attach a
     // port-B file id and downstream presigned-download paths (admin
     // export, portal contract download) would otherwise leak that
     // foreign-port content.
@@ -197,27 +197,27 @@ export async function activate(
     patch.startDate = data.effectiveDate;
   }
 
-  let updated: BerthReservation | undefined;
+  let updated: BerthTenancy | undefined;
   try {
     const rows = await db
-      .update(berthReservations)
+      .update(berthTenancies)
       .set(patch)
-      .where(and(eq(berthReservations.id, reservationId), eq(berthReservations.portId, portId)))
+      .where(and(eq(berthTenancies.id, tenancyId), eq(berthTenancies.portId, portId)))
       .returning();
     updated = rows[0];
   } catch (err) {
     if (isBerthActiveConflict(err)) {
-      const conflicting = await db.query.berthReservations.findFirst({
+      const conflicting = await db.query.berthTenancies.findFirst({
         where: and(
-          eq(berthReservations.berthId, existing.berthId),
-          eq(berthReservations.status, 'active'),
-          eq(berthReservations.portId, portId),
+          eq(berthTenancies.berthId, existing.berthId),
+          eq(berthTenancies.status, 'active'),
+          eq(berthTenancies.portId, portId),
         ),
       });
       throw new ConflictError(
         conflicting
-          ? `berth already has active reservation (conflictingReservationId: ${conflicting.id})`
-          : 'berth already has active reservation',
+          ? `berth already has active tenancy (conflictingTenancyId: ${conflicting.id})`
+          : 'berth already has active tenancy',
       );
     }
     throw err;
@@ -227,16 +227,16 @@ export async function activate(
     userId: meta.userId,
     portId,
     action: 'update',
-    entityType: 'berth_reservation',
-    entityId: reservationId,
+    entityType: 'berth_tenancy',
+    entityId: tenancyId,
     oldValue: { status: existing.status },
     newValue: { status: 'active', contractFileId: updated!.contractFileId },
     ipAddress: meta.ipAddress,
     userAgent: meta.userAgent,
   });
 
-  emitToRoom(`port:${portId}`, 'berth_reservation:activated', {
-    reservationId,
+  emitToRoom(`port:${portId}`, 'berth_tenancy:activated', {
+    tenancyId,
     berthId: updated!.berthId,
   });
 
@@ -245,27 +245,27 @@ export async function activate(
 
 // ─── End (active → ended) ────────────────────────────────────────────────────
 
-export async function endReservation(
-  reservationId: string,
+export async function endTenancy(
+  tenancyId: string,
   portId: string,
-  data: EndReservationInput,
+  data: EndTenancyInput,
   meta: AuditMeta,
-): Promise<BerthReservation> {
-  const existing = await loadScoped(reservationId, portId);
+): Promise<BerthTenancy> {
+  const existing = await loadScoped(tenancyId, portId);
 
   if (existing.status !== 'active') {
     throw new ValidationError(`invalid transition: ${existing.status} → ended`);
   }
 
   const rows = await db
-    .update(berthReservations)
+    .update(berthTenancies)
     .set({
       status: 'ended',
       endDate: data.endDate,
       notes: data.notes ?? existing.notes,
       updatedAt: new Date(),
     })
-    .where(and(eq(berthReservations.id, reservationId), eq(berthReservations.portId, portId)))
+    .where(and(eq(berthTenancies.id, tenancyId), eq(berthTenancies.portId, portId)))
     .returning();
 
   const updated = rows[0]!;
@@ -274,16 +274,16 @@ export async function endReservation(
     userId: meta.userId,
     portId,
     action: 'update',
-    entityType: 'berth_reservation',
-    entityId: reservationId,
+    entityType: 'berth_tenancy',
+    entityId: tenancyId,
     oldValue: { status: existing.status },
     newValue: { status: 'ended', endDate: updated.endDate },
     ipAddress: meta.ipAddress,
     userAgent: meta.userAgent,
   });
 
-  emitToRoom(`port:${portId}`, 'berth_reservation:ended', {
-    reservationId,
+  emitToRoom(`port:${portId}`, 'berth_tenancy:ended', {
+    tenancyId,
     berthId: updated.berthId,
   });
 
@@ -293,19 +293,19 @@ export async function endReservation(
 // ─── Cancel (pending|active → cancelled) ─────────────────────────────────────
 
 export async function cancel(
-  reservationId: string,
+  tenancyId: string,
   portId: string,
   data: CancelInput,
   meta: AuditMeta,
-): Promise<BerthReservation> {
-  const existing = await loadScoped(reservationId, portId);
+): Promise<BerthTenancy> {
+  const existing = await loadScoped(tenancyId, portId);
 
   if (existing.status !== 'pending' && existing.status !== 'active') {
     throw new ValidationError(`invalid transition: ${existing.status} → cancelled`);
   }
 
   const rows = await db
-    .update(berthReservations)
+    .update(berthTenancies)
     .set({
       status: 'cancelled',
       notes: data.reason
@@ -313,7 +313,7 @@ export async function cancel(
         : existing.notes,
       updatedAt: new Date(),
     })
-    .where(and(eq(berthReservations.id, reservationId), eq(berthReservations.portId, portId)))
+    .where(and(eq(berthTenancies.id, tenancyId), eq(berthTenancies.portId, portId)))
     .returning();
 
   const updated = rows[0]!;
@@ -322,16 +322,16 @@ export async function cancel(
     userId: meta.userId,
     portId,
     action: 'update',
-    entityType: 'berth_reservation',
-    entityId: reservationId,
+    entityType: 'berth_tenancy',
+    entityId: tenancyId,
     oldValue: { status: existing.status },
     newValue: { status: 'cancelled', reason: data.reason ?? null },
     ipAddress: meta.ipAddress,
     userAgent: meta.userAgent,
   });
 
-  emitToRoom(`port:${portId}`, 'berth_reservation:cancelled', {
-    reservationId,
+  emitToRoom(`port:${portId}`, 'berth_tenancy:cancelled', {
+    tenancyId,
     berthId: updated.berthId,
   });
 
@@ -340,38 +340,38 @@ export async function cancel(
 
 // ─── Get ─────────────────────────────────────────────────────────────────────
 
-export async function getById(id: string, portId: string): Promise<BerthReservation> {
+export async function getById(id: string, portId: string): Promise<BerthTenancy> {
   return loadScoped(id, portId);
 }
 
 // ─── List ────────────────────────────────────────────────────────────────────
 
-export async function listReservations(
+export async function listTenancies(
   portId: string,
-  query: ListReservationsInput,
-): Promise<{ data: BerthReservation[]; total: number }> {
+  query: ListTenanciesInput,
+): Promise<{ data: BerthTenancy[]; total: number }> {
   const { page, limit, sort, order, search, status, berthId, clientId, yachtId } = query;
 
   const filters = [];
-  if (status) filters.push(eq(berthReservations.status, status));
-  if (berthId) filters.push(eq(berthReservations.berthId, berthId));
-  if (clientId) filters.push(eq(berthReservations.clientId, clientId));
-  if (yachtId) filters.push(eq(berthReservations.yachtId, yachtId));
+  if (status) filters.push(eq(berthTenancies.status, status));
+  if (berthId) filters.push(eq(berthTenancies.berthId, berthId));
+  if (clientId) filters.push(eq(berthTenancies.clientId, clientId));
+  if (yachtId) filters.push(eq(berthTenancies.yachtId, yachtId));
 
   let sortColumn:
-    | typeof berthReservations.startDate
-    | typeof berthReservations.createdAt
-    | typeof berthReservations.updatedAt = berthReservations.updatedAt;
-  if (sort === 'startDate') sortColumn = berthReservations.startDate;
-  else if (sort === 'createdAt') sortColumn = berthReservations.createdAt;
+    | typeof berthTenancies.startDate
+    | typeof berthTenancies.createdAt
+    | typeof berthTenancies.updatedAt = berthTenancies.updatedAt;
+  if (sort === 'startDate') sortColumn = berthTenancies.startDate;
+  else if (sort === 'createdAt') sortColumn = berthTenancies.createdAt;
 
-  const result = await buildListQuery<BerthReservation>({
-    table: berthReservations,
-    portIdColumn: berthReservations.portId,
+  const result = await buildListQuery<BerthTenancy>({
+    table: berthTenancies,
+    portIdColumn: berthTenancies.portId,
     portId,
-    idColumn: berthReservations.id,
-    updatedAtColumn: berthReservations.updatedAt,
-    searchColumns: search ? [berthReservations.notes] : [],
+    idColumn: berthTenancies.id,
+    updatedAtColumn: berthTenancies.updatedAt,
+    searchColumns: search ? [berthTenancies.notes] : [],
     searchTerm: search,
     filters,
     sort: sort ? { column: sortColumn, direction: order } : undefined,
diff --git a/src/lib/services/client-archive-dossier.service.ts b/src/lib/services/client-archive-dossier.service.ts
index 5a900b85..1a17e84c 100644
--- a/src/lib/services/client-archive-dossier.service.ts
+++ b/src/lib/services/client-archive-dossier.service.ts
@@ -18,7 +18,7 @@ import { yachts } from '@/lib/db/schema/yachts';
 import { companies, companyMemberships } from '@/lib/db/schema/companies';
 import { interests, interestBerths } from '@/lib/db/schema/interests';
 import { berths } from '@/lib/db/schema/berths';
-import { berthReservations } from '@/lib/db/schema/reservations';
+import { berthTenancies } from '@/lib/db/schema/tenancies';
 import { invoices } from '@/lib/db/schema/financial';
 import { documents } from '@/lib/db/schema/documents';
 import { activeInterestsWhere } from '@/lib/services/active-interest';
@@ -84,8 +84,8 @@ export interface DossierCompany {
   membershipRole: string | null;
 }
 
-export interface DossierReservation {
-  reservationId: string;
+export interface DossierTenancy {
+  tenancyId: string;
   berthId: string;
   mooringNumber: string;
   status: string; // typically 'active'
@@ -128,13 +128,13 @@ export interface ClientArchiveDossier {
   berths: DossierBerth[];
   yachts: DossierYacht[];
   companies: DossierCompany[];
-  reservations: DossierReservation[];
+  tenancies: DossierTenancy[];
   invoices: DossierInvoice[];
   documents: DossierDocument[];
   hasPortalUser: boolean;
 
   /** Hard blockers - cannot proceed with archive at all until these are
-   *  resolved manually. Currently the only one is "active reservation
+   *  resolved manually. Currently the only one is "active tenancy
    *  on a sold berth" (since you can't unsell a berth from this flow). */
   blockers: string[];
 }
@@ -327,23 +327,23 @@ export async function getClientArchiveDossier(
       ),
     );
 
-  // ─── Active reservations ─────────────────────────────────────────────────
-  const activeReservations = await db
+  // ─── Active tenancies ────────────────────────────────────────────────────
+  const activeTenancies = await db
     .select({
-      id: berthReservations.id,
-      berthId: berthReservations.berthId,
+      id: berthTenancies.id,
+      berthId: berthTenancies.berthId,
       mooringNumber: berths.mooringNumber,
-      status: berthReservations.status,
-      startDate: berthReservations.startDate,
+      status: berthTenancies.status,
+      startDate: berthTenancies.startDate,
       berthStatus: berths.status,
     })
-    .from(berthReservations)
-    .innerJoin(berths, eq(berthReservations.berthId, berths.id))
+    .from(berthTenancies)
+    .innerJoin(berths, eq(berthTenancies.berthId, berths.id))
     .where(
       and(
-        eq(berthReservations.clientId, clientId),
-        eq(berthReservations.portId, portId),
-        eq(berthReservations.status, 'active'),
+        eq(berthTenancies.clientId, clientId),
+        eq(berthTenancies.portId, portId),
+        eq(berthTenancies.status, 'active'),
       ),
     );
 
@@ -376,14 +376,14 @@ export async function getClientArchiveDossier(
     .limit(1);
 
   // ─── Hard blockers ───────────────────────────────────────────────────────
-  // The only true blocker is an active reservation on a SOLD berth - we
+  // The only true blocker is an active tenancy on a SOLD berth - we
   // can't auto-handle this without crossing into refund territory. Force
-  // the operator to handle it via the existing reservation UI first.
+  // the operator to handle it via the existing tenancy UI first.
   const blockers: string[] = [];
-  for (const r of activeReservations) {
+  for (const r of activeTenancies) {
     if (r.berthStatus === 'sold') {
       blockers.push(
-        `Active reservation on sold berth ${r.mooringNumber} (#${r.id.slice(0, 8)}). Process the refund or transfer the reservation before archiving.`,
+        `Active tenancy on sold berth ${r.mooringNumber} (#${r.id.slice(0, 8)}). Process the refund or transfer the tenancy before archiving.`,
       );
     }
   }
@@ -410,8 +410,8 @@ export async function getClientArchiveDossier(
       name: m.name,
       membershipRole: m.role,
     })),
-    reservations: activeReservations.map((r) => ({
-      reservationId: r.id,
+    tenancies: activeTenancies.map((r) => ({
+      tenancyId: r.id,
       berthId: r.berthId,
       mooringNumber: r.mooringNumber,
       status: r.status,
diff --git a/src/lib/services/client-archive.service.ts b/src/lib/services/client-archive.service.ts
index 27a045dc..bbfc3900 100644
--- a/src/lib/services/client-archive.service.ts
+++ b/src/lib/services/client-archive.service.ts
@@ -17,7 +17,7 @@ import { db } from '@/lib/db';
 import { clients } from '@/lib/db/schema/clients';
 import { interests, interestBerths } from '@/lib/db/schema/interests';
 import { berths } from '@/lib/db/schema/berths';
-import { berthReservations } from '@/lib/db/schema/reservations';
+import { berthTenancies } from '@/lib/db/schema/tenancies';
 import { invoices } from '@/lib/db/schema/financial';
 import { yachts } from '@/lib/db/schema/yachts';
 import { companyMemberships } from '@/lib/db/schema/companies';
@@ -49,8 +49,8 @@ export type YachtDecision = {
   newOwnerId?: string;
 };
 
-export type ReservationDecision = {
-  reservationId: string;
+export type TenancyDecision = {
+  tenancyId: string;
   action: 'cancel' | 'transfer';
   /** Required when action='transfer' - the new client id. */
   transferToClientId?: string;
@@ -73,7 +73,7 @@ export interface ArchiveDecisions {
   acknowledgedSignedDocuments: boolean;
   berthDecisions: BerthDecision[];
   yachtDecisions: YachtDecision[];
-  reservationDecisions: ReservationDecision[];
+  tenancyDecisions: TenancyDecision[];
   invoiceDecisions: InvoiceDecision[];
   documentDecisions: DocumentDecision[];
 }
@@ -87,8 +87,8 @@ interface PersistedDecision {
     | 'yacht_transferred'
     | 'yacht_marked_sold_away'
     | 'yacht_retained'
-    | 'reservation_cancelled'
-    | 'reservation_transferred'
+    | 'tenancy_cancelled'
+    | 'tenancy_transferred'
     | 'invoice_voided'
     | 'invoice_written_off'
     | 'invoice_left'
@@ -268,27 +268,25 @@ export async function archiveClientWithDecisions(args: {
       }
     }
 
-    // ─── Reservation decisions ───────────────────────────────────────────
-    for (const d of decisions.reservationDecisions) {
+    // ─── Tenancy decisions ───────────────────────────────────────────────
+    for (const d of decisions.tenancyDecisions) {
       if (d.action === 'cancel') {
         await tx
-          .update(berthReservations)
+          .update(berthTenancies)
           .set({ status: 'cancelled', updatedAt: new Date() })
-          .where(eq(berthReservations.id, d.reservationId));
-        persistedDecisions.push({ kind: 'reservation_cancelled', refId: d.reservationId });
+          .where(eq(berthTenancies.id, d.tenancyId));
+        persistedDecisions.push({ kind: 'tenancy_cancelled', refId: d.tenancyId });
       } else if (d.action === 'transfer') {
         if (!d.transferToClientId) {
-          throw new ValidationError(
-            `Reservation ${d.reservationId}: transfer requires transferToClientId`,
-          );
+          throw new ValidationError(`Tenancy ${d.tenancyId}: transfer requires transferToClientId`);
         }
         await tx
-          .update(berthReservations)
+          .update(berthTenancies)
           .set({ clientId: d.transferToClientId, updatedAt: new Date() })
-          .where(eq(berthReservations.id, d.reservationId));
+          .where(eq(berthTenancies.id, d.tenancyId));
         persistedDecisions.push({
-          kind: 'reservation_transferred',
-          refId: d.reservationId,
+          kind: 'tenancy_transferred',
+          refId: d.tenancyId,
           detail: { previousClientId: clientId, newClientId: d.transferToClientId },
         });
       }
diff --git a/src/lib/services/client-hard-delete.service.ts b/src/lib/services/client-hard-delete.service.ts
index 9cbd76eb..069e3654 100644
--- a/src/lib/services/client-hard-delete.service.ts
+++ b/src/lib/services/client-hard-delete.service.ts
@@ -34,7 +34,7 @@ import { and, eq, inArray, sql } from 'drizzle-orm';
 import { db } from '@/lib/db';
 import { clients, clientContacts, clientMergeLog } from '@/lib/db/schema/clients';
 import { interests } from '@/lib/db/schema/interests';
-import { berthReservations } from '@/lib/db/schema/reservations';
+import { berthTenancies } from '@/lib/db/schema/tenancies';
 import { files, documents, formSubmissions } from '@/lib/db/schema/documents';
 import { documentSends } from '@/lib/db/schema/brochures';
 import { emailThreads, emailMessages } from '@/lib/db/schema/email';
@@ -311,7 +311,7 @@ export async function hardDeleteClient(args: {
     // Delete non-nullable-FK children explicitly (cascade chains
     // pick up their own children in turn).
     await tx.delete(interests).where(eq(interests.clientId, args.clientId));
-    await tx.delete(berthReservations).where(eq(berthReservations.clientId, args.clientId));
+    await tx.delete(berthTenancies).where(eq(berthTenancies.clientId, args.clientId));
 
     // Finally, the client itself.
     await tx.delete(clients).where(eq(clients.id, args.clientId));
diff --git a/src/lib/services/client-merge.service.ts b/src/lib/services/client-merge.service.ts
index 95ef005e..3e460e75 100644
--- a/src/lib/services/client-merge.service.ts
+++ b/src/lib/services/client-merge.service.ts
@@ -31,7 +31,7 @@ import {
   clientMergeCandidates,
 } from '@/lib/db/schema/clients';
 import { interests } from '@/lib/db/schema/interests';
-import { berthReservations } from '@/lib/db/schema/reservations';
+import { berthTenancies } from '@/lib/db/schema/tenancies';
 import { auditLogs } from '@/lib/db/schema/system';
 import { ConflictError, NotFoundError, ValidationError } from '@/lib/errors';
 
@@ -153,9 +153,9 @@ export async function mergeClients(opts: MergeOptions): Promise<MergeResult> {
       .from(interests)
       .where(eq(interests.clientId, opts.loserId));
     const loserReservations = await tx
-      .select({ id: berthReservations.id })
-      .from(berthReservations)
-      .where(eq(berthReservations.clientId, opts.loserId));
+      .select({ id: berthTenancies.id })
+      .from(berthTenancies)
+      .where(eq(berthTenancies.clientId, opts.loserId));
     const loserRelationshipsAsA = await tx
       .select()
       .from(clientRelationships)
@@ -215,10 +215,10 @@ export async function mergeClients(opts: MergeOptions): Promise<MergeResult> {
 
     const movedReservations = (
       await tx
-        .update(berthReservations)
+        .update(berthTenancies)
         .set({ clientId: opts.winnerId, updatedAt: new Date() })
-        .where(eq(berthReservations.clientId, opts.loserId))
-        .returning({ id: berthReservations.id })
+        .where(eq(berthTenancies.clientId, opts.loserId))
+        .returning({ id: berthTenancies.id })
     ).length;
 
     // Contacts: move loser's contacts to winner, but DON'T duplicate any
diff --git a/src/lib/services/clients.service.ts b/src/lib/services/clients.service.ts
index d61ffdae..7816b668 100644
--- a/src/lib/services/clients.service.ts
+++ b/src/lib/services/clients.service.ts
@@ -11,7 +11,7 @@ import {
 } from '@/lib/db/schema/clients';
 import { companies, companyMemberships } from '@/lib/db/schema/companies';
 import { yachts } from '@/lib/db/schema/yachts';
-import { berthReservations } from '@/lib/db/schema/reservations';
+import { berthTenancies } from '@/lib/db/schema/tenancies';
 import { interests, interestBerths } from '@/lib/db/schema/interests';
 import { berths } from '@/lib/db/schema/berths';
 import { tags } from '@/lib/db/schema/system';
@@ -412,11 +412,11 @@ export async function getClientById(id: string, portId: string) {
       ),
     );
 
-  const activeReservations = await db.query.berthReservations.findMany({
+  const activeTenancies = await db.query.berthTenancies.findMany({
     where: and(
-      eq(berthReservations.clientId, id),
-      eq(berthReservations.portId, portId),
-      eq(berthReservations.status, 'active'),
+      eq(berthTenancies.clientId, id),
+      eq(berthTenancies.portId, portId),
+      eq(berthTenancies.status, 'active'),
     ),
     columns: {
       id: true,
@@ -450,7 +450,7 @@ export async function getClientById(id: string, portId: string) {
     tags: clientTagRows.map((r) => r.tag),
     yachts: yachtRows,
     companies: membershipRows,
-    activeReservations,
+    activeTenancies,
     interestCount: interestCountRow?.count ?? 0,
     noteCount: noteCountRow?.count ?? 0,
     clientPortalEnabled: portalEnabled,
diff --git a/src/lib/services/dashboard.service.ts b/src/lib/services/dashboard.service.ts
index 81c3200a..520249f5 100644
--- a/src/lib/services/dashboard.service.ts
+++ b/src/lib/services/dashboard.service.ts
@@ -6,7 +6,7 @@ import { yachts, yachtNotes } from '@/lib/db/schema/yachts';
 import { companies, companyNotes } from '@/lib/db/schema/companies';
 import { interests, interestBerths, interestNotes } from '@/lib/db/schema/interests';
 import { berths } from '@/lib/db/schema/berths';
-import { berthReservations } from '@/lib/db/schema/reservations';
+import { berthTenancies } from '@/lib/db/schema/tenancies';
 import { invoices, expenses } from '@/lib/db/schema/financial';
 import { payments } from '@/lib/db/schema/pipeline';
 import { documents } from '@/lib/db/schema/documents';
@@ -508,18 +508,18 @@ export async function getRecentActivity(portId: string, limit = 20) {
       (r) => r.clientName,
     ),
     loadLabels(
-      'berth_reservation',
+      'berth_tenancy',
       (ids) =>
         db
           .select({
-            id: berthReservations.id,
+            id: berthTenancies.id,
             mooring: berths.mooringNumber,
             clientName: clients.fullName,
           })
-          .from(berthReservations)
-          .innerJoin(berths, eq(berthReservations.berthId, berths.id))
-          .leftJoin(clients, eq(berthReservations.clientId, clients.id))
-          .where(and(eq(berthReservations.portId, portId), inArray(berthReservations.id, ids))),
+          .from(berthTenancies)
+          .innerJoin(berths, eq(berthTenancies.berthId, berths.id))
+          .leftJoin(clients, eq(berthTenancies.clientId, clients.id))
+          .where(and(eq(berthTenancies.portId, portId), inArray(berthTenancies.id, ids))),
       (r) => `Berth ${r.mooring}${r.clientName ? ` · ${r.clientName}` : ''}`,
     ),
     loadLabels(
diff --git a/src/lib/services/documents.service.ts b/src/lib/services/documents.service.ts
index 9f7fa3b7..4adedd85 100644
--- a/src/lib/services/documents.service.ts
+++ b/src/lib/services/documents.service.ts
@@ -14,7 +14,7 @@ import { companies } from '@/lib/db/schema/companies';
 import { yachts } from '@/lib/db/schema/yachts';
 import { berths } from '@/lib/db/schema/berths';
 import { formatBerthRange } from '@/lib/templates/berth-range';
-import { berthReservations } from '@/lib/db/schema/reservations';
+import { berthTenancies } from '@/lib/db/schema/tenancies';
 import { ports } from '@/lib/db/schema/ports';
 import { userProfiles, userPortRoles } from '@/lib/db/schema/users';
 import { buildListQuery } from '@/lib/db/query-builder';
@@ -428,7 +428,7 @@ export async function getDocumentById(id: string, portId: string) {
 
 /**
  * Reject any subject FK (clientId / interestId / companyId / yachtId /
- * reservationId) that points at a row outside the caller's port. Without
+ * tenancyId) that points at a row outside the caller's port. Without
  * this guard, a port-A user could create a document whose subject is a
  * port-B client and then exfiltrate the foreign client's name + email
  * via sendForSigning's Documenso payload, or via the local watcher /
@@ -441,7 +441,7 @@ async function assertSubjectFksInPort(
     interestId?: string | null;
     companyId?: string | null;
     yachtId?: string | null;
-    reservationId?: string | null;
+    tenancyId?: string | null;
   },
 ): Promise<void> {
   const checks: Array<Promise<void>> = [];
@@ -485,17 +485,14 @@ async function assertSubjectFksInPort(
         }),
     );
   }
-  if (fks.reservationId) {
+  if (fks.tenancyId) {
     checks.push(
-      db.query.berthReservations
+      db.query.berthTenancies
         .findFirst({
-          where: and(
-            eq(berthReservations.id, fks.reservationId),
-            eq(berthReservations.portId, portId),
-          ),
+          where: and(eq(berthTenancies.id, fks.tenancyId), eq(berthTenancies.portId, portId)),
         })
         .then((row) => {
-          if (!row) throw new ValidationError('reservationId not found in this port');
+          if (!row) throw new ValidationError('tenancyId not found in this port');
         }),
     );
   }
@@ -1494,14 +1491,14 @@ export async function handleDocumentCompleted(eventData: { documentId: string; p
         .where(eq(documents.id, doc.id));
 
       // Reservation agreements mirror their signed PDF onto
-      // berth_reservations.contractFileId so the portal "My Reservations" view
+      // berth_tenancies.contractFileId so the portal "My Tenancies" view
       // can resolve the contract without joining through documents.
-      if (doc.documentType === 'reservation_agreement' && doc.reservationId) {
-        const { berthReservations } = await import('@/lib/db/schema/reservations');
+      if (doc.documentType === 'reservation_agreement' && doc.tenancyId) {
+        const { berthTenancies } = await import('@/lib/db/schema/tenancies');
         await tx
-          .update(berthReservations)
+          .update(berthTenancies)
           .set({ contractFileId: inserted.id, updatedAt: new Date() })
-          .where(eq(berthReservations.id, doc.reservationId));
+          .where(eq(berthTenancies.id, doc.tenancyId));
       }
 
       return inserted;
@@ -2427,7 +2424,7 @@ export async function createFromWizard(
     interestId: data.interestId,
     companyId: data.companyId,
     yachtId: data.yachtId,
-    reservationId: data.reservationId,
+    tenancyId: data.tenancyId,
   });
 
   const [doc] = await db
@@ -2435,7 +2432,7 @@ export async function createFromWizard(
     .values({
       portId,
       interestId: data.interestId ?? null,
-      reservationId: data.reservationId ?? null,
+      tenancyId: data.tenancyId ?? null,
       clientId: data.clientId ?? null,
       companyId: data.companyId ?? null,
       yachtId: data.yachtId ?? null,
@@ -2516,7 +2513,7 @@ export async function createFromUpload(
     interestId: data.interestId,
     companyId: data.companyId,
     yachtId: data.yachtId,
-    reservationId: data.reservationId,
+    tenancyId: data.tenancyId,
   });
 
   const [doc] = await db
@@ -2524,7 +2521,7 @@ export async function createFromUpload(
     .values({
       portId,
       interestId: data.interestId ?? null,
-      reservationId: data.reservationId ?? null,
+      tenancyId: data.tenancyId ?? null,
       clientId: data.clientId ?? null,
       companyId: data.companyId ?? null,
       yachtId: data.yachtId ?? null,
diff --git a/src/lib/services/gdpr-bundle-builder.ts b/src/lib/services/gdpr-bundle-builder.ts
index e2ae20b4..921b2d6e 100644
--- a/src/lib/services/gdpr-bundle-builder.ts
+++ b/src/lib/services/gdpr-bundle-builder.ts
@@ -26,7 +26,7 @@ import { tags, scratchpadNotes } from '@/lib/db/schema/system';
 import { companies, companyMemberships } from '@/lib/db/schema/companies';
 import { yachts } from '@/lib/db/schema/yachts';
 import { interests } from '@/lib/db/schema/interests';
-import { berthReservations } from '@/lib/db/schema/reservations';
+import { berthTenancies } from '@/lib/db/schema/tenancies';
 import { invoices } from '@/lib/db/schema/financial';
 import { documents, files, formSubmissions } from '@/lib/db/schema/documents';
 import { auditLogs } from '@/lib/db/schema/system';
@@ -141,8 +141,8 @@ export async function buildClientBundle(clientId: string, portId: string): Promi
     db.query.interests.findMany({
       where: and(eq(interests.clientId, clientId), eq(interests.portId, portId)),
     }),
-    db.query.berthReservations.findMany({
-      where: and(eq(berthReservations.clientId, clientId), eq(berthReservations.portId, portId)),
+    db.query.berthTenancies.findMany({
+      where: and(eq(berthTenancies.clientId, clientId), eq(berthTenancies.portId, portId)),
     }),
     db.query.invoices.findMany({
       where: and(
diff --git a/src/lib/services/interests.service.ts b/src/lib/services/interests.service.ts
index b37ae5f9..6909044c 100644
--- a/src/lib/services/interests.service.ts
+++ b/src/lib/services/interests.service.ts
@@ -6,7 +6,7 @@ import { reminders, interestContactLog } from '@/lib/db/schema/operations';
 import { clients, clientAddresses, clientContacts } from '@/lib/db/schema/clients';
 import { berths } from '@/lib/db/schema/berths';
 import { documents, documentEvents } from '@/lib/db/schema/documents';
-import { berthReservations } from '@/lib/db/schema/reservations';
+import { berthTenancies } from '@/lib/db/schema/tenancies';
 import { yachts } from '@/lib/db/schema/yachts';
 import { companyMemberships } from '@/lib/db/schema/companies';
 import { tags } from '@/lib/db/schema/system';
@@ -622,14 +622,14 @@ export async function getInterestById(id: string, portId: string) {
       )
       .orderBy(desc(documentEvents.createdAt))
       .limit(1),
-    // Latest cancelled berth_reservation row pointing at this interest.
-    // berth_reservations has no cancelled_at column; updatedAt is set when
+    // Latest cancelled berth_tenancy row pointing at this interest.
+    // berth_tenancies has no cancelled_at column; updatedAt is set when
     // the row flips to status='cancelled', so it tracks the same moment.
     db
-      .select({ at: berthReservations.updatedAt })
-      .from(berthReservations)
-      .where(and(eq(berthReservations.interestId, id), eq(berthReservations.status, 'cancelled')))
-      .orderBy(desc(berthReservations.updatedAt))
+      .select({ at: berthTenancies.updatedAt })
+      .from(berthTenancies)
+      .where(and(eq(berthTenancies.interestId, id), eq(berthTenancies.status, 'cancelled')))
+      .orderBy(desc(berthTenancies.updatedAt))
       .limit(1),
     // "Berth sold to another deal" - any of this interest's linked berths
     // has at least one OTHER interest with a `won` outcome. Take the
diff --git a/src/lib/services/portal.service.ts b/src/lib/services/portal.service.ts
index 35a07127..459d70ea 100644
--- a/src/lib/services/portal.service.ts
+++ b/src/lib/services/portal.service.ts
@@ -10,7 +10,7 @@ import { berths } from '@/lib/db/schema/berths';
 import { ports } from '@/lib/db/schema/ports';
 import { yachts } from '@/lib/db/schema/yachts';
 import { companies, companyMemberships } from '@/lib/db/schema/companies';
-import { berthReservations } from '@/lib/db/schema/reservations';
+import { berthTenancies } from '@/lib/db/schema/tenancies';
 import { presignDownloadUrl } from '@/lib/storage';
 import { getCountryName } from '@/lib/i18n/countries';
 
@@ -32,7 +32,7 @@ export interface PortalDashboard {
     invoices: number;
     yachts: number;
     memberships: number;
-    activeReservations: number;
+    activeTenancies: number;
   };
 }
 
@@ -40,7 +40,7 @@ export async function getPortalDashboard(
   clientId: string,
   portId: string,
 ): Promise<PortalDashboard | null> {
-  const [client, port, interestCount, documentCount, yachtList, membershipList, reservationList] =
+  const [client, port, interestCount, documentCount, yachtList, membershipList, tenancyList] =
     await Promise.all([
       db.query.clients.findFirst({
         where: and(eq(clients.id, clientId), eq(clients.portId, portId)),
@@ -59,7 +59,7 @@ export async function getPortalDashboard(
         .where(and(eq(documents.clientId, clientId), eq(documents.portId, portId))),
       getPortalUserYachts(clientId, portId),
       getPortalUserMemberships(clientId, portId),
-      getPortalUserReservations(clientId, portId),
+      getPortalUserTenancies(clientId, portId),
     ]);
 
   if (!client || !port) return null;
@@ -96,7 +96,7 @@ export async function getPortalDashboard(
       invoices: invoiceCount,
       yachts: yachtList.length,
       memberships: membershipList.length,
-      activeReservations: reservationList.length,
+      activeTenancies: tenancyList.length,
     },
   };
 }
@@ -515,9 +515,9 @@ export async function getPortalUserMemberships(
   return rows;
 }
 
-// ─── Reservations ─────────────────────────────────────────────────────────────
+// ─── Tenancies ────────────────────────────────────────────────────────────────
 
-export interface PortalReservation {
+export interface PortalTenancy {
   id: string;
   berthId: string;
   berthMooringNumber: string | null;
@@ -529,32 +529,32 @@ export interface PortalReservation {
   tenureType: string;
 }
 
-export async function getPortalUserReservations(
+export async function getPortalUserTenancies(
   clientId: string,
   portId: string,
-): Promise<PortalReservation[]> {
+): Promise<PortalTenancy[]> {
   const rows = await db
     .select({
-      id: berthReservations.id,
-      berthId: berthReservations.berthId,
+      id: berthTenancies.id,
+      berthId: berthTenancies.berthId,
       berthMooringNumber: berths.mooringNumber,
-      yachtId: berthReservations.yachtId,
+      yachtId: berthTenancies.yachtId,
       yachtName: yachts.name,
-      status: berthReservations.status,
-      startDate: berthReservations.startDate,
-      endDate: berthReservations.endDate,
-      tenureType: berthReservations.tenureType,
+      status: berthTenancies.status,
+      startDate: berthTenancies.startDate,
+      endDate: berthTenancies.endDate,
+      tenureType: berthTenancies.tenureType,
     })
-    .from(berthReservations)
-    .innerJoin(berths, eq(berthReservations.berthId, berths.id))
-    .innerJoin(yachts, eq(berthReservations.yachtId, yachts.id))
+    .from(berthTenancies)
+    .innerJoin(berths, eq(berthTenancies.berthId, berths.id))
+    .innerJoin(yachts, eq(berthTenancies.yachtId, yachts.id))
     .where(
       and(
-        eq(berthReservations.clientId, clientId),
-        eq(berthReservations.portId, portId),
-        inArray(berthReservations.status, ['pending', 'active']),
+        eq(berthTenancies.clientId, clientId),
+        eq(berthTenancies.portId, portId),
+        inArray(berthTenancies.status, ['pending', 'active']),
       ),
     )
-    .orderBy(desc(berthReservations.createdAt));
-  return rows as PortalReservation[];
+    .orderBy(desc(berthTenancies.createdAt));
+  return rows as PortalTenancy[];
 }
diff --git a/src/lib/services/reservation-agreement-context.ts b/src/lib/services/reservation-agreement-context.ts
index 7841de1e..a1807197 100644
--- a/src/lib/services/reservation-agreement-context.ts
+++ b/src/lib/services/reservation-agreement-context.ts
@@ -2,7 +2,7 @@ import { and, eq } from 'drizzle-orm';
 
 import { db } from '@/lib/db';
 import { berths } from '@/lib/db/schema/berths';
-import { berthReservations } from '@/lib/db/schema/reservations';
+import { berthTenancies } from '@/lib/db/schema/tenancies';
 import { clients } from '@/lib/db/schema/clients';
 import { ports } from '@/lib/db/schema/ports';
 import { yachts } from '@/lib/db/schema/yachts';
@@ -57,13 +57,13 @@ export type ReservationAgreementContext = {
  * formatting helpers in the template language.
  */
 export async function buildReservationAgreementContext(
-  reservationId: string,
+  tenancyId: string,
   portId: string,
 ): Promise<ReservationAgreementContext> {
-  const reservation = await db.query.berthReservations.findFirst({
-    where: and(eq(berthReservations.id, reservationId), eq(berthReservations.portId, portId)),
+  const reservation = await db.query.berthTenancies.findFirst({
+    where: and(eq(berthTenancies.id, tenancyId), eq(berthTenancies.portId, portId)),
   });
-  if (!reservation) throw new NotFoundError('Reservation');
+  if (!reservation) throw new NotFoundError('Tenancy');
 
   const [client, yacht, berth, port] = await Promise.all([
     db.query.clients.findFirst({
diff --git a/src/lib/services/tenancies-module.service.ts b/src/lib/services/tenancies-module.service.ts
index 3c8bc4b3..8e0f1176 100644
--- a/src/lib/services/tenancies-module.service.ts
+++ b/src/lib/services/tenancies-module.service.ts
@@ -3,7 +3,7 @@
  * entity tabs, top-level page, dashboard widgets, webhook auto-create
  * branch) is hidden by default and only surfaces when EITHER:
  *
- *   (a) at least one `berth_reservations` row exists for the port
+ *   (a) at least one `berth_tenancies` row exists for the port
  *       (lazy auto-enable on first creation), OR
  *   (b) an admin has explicitly enabled the module via
  *       `system_settings.tenancies_module_enabled` (default false).
@@ -20,7 +20,7 @@ import { and, eq, isNull, or } from 'drizzle-orm';
 
 import { db } from '@/lib/db';
 import { systemSettings } from '@/lib/db/schema/system';
-import { berthReservations } from '@/lib/db/schema/reservations';
+import { berthTenancies } from '@/lib/db/schema/tenancies';
 import { NotFoundError } from '@/lib/errors';
 
 /**
@@ -50,9 +50,9 @@ export async function isTenanciesModuleEnabled(portId: string): Promise<boolean>
   //    the rest of the app, even when the admin setting is still false.
   //    Once any port has a tenancy, the module's UX is justified.
   const rowCheck = await db
-    .select({ id: berthReservations.id })
-    .from(berthReservations)
-    .where(eq(berthReservations.portId, portId))
+    .select({ id: berthTenancies.id })
+    .from(berthTenancies)
+    .where(eq(berthTenancies.portId, portId))
     .limit(1);
   return rowCheck.length > 0;
 }
diff --git a/src/lib/services/webhook-event-map.ts b/src/lib/services/webhook-event-map.ts
index 3677bf99..0e51a339 100644
--- a/src/lib/services/webhook-event-map.ts
+++ b/src/lib/services/webhook-event-map.ts
@@ -36,10 +36,10 @@ export const WEBHOOK_EVENTS = [
   'company_membership.added',
   'company_membership.updated',
   'company_membership.ended',
-  'berth_reservation.created',
-  'berth_reservation.activated',
-  'berth_reservation.ended',
-  'berth_reservation.cancelled',
+  'berth_tenancy.created',
+  'berth_tenancy.activated',
+  'berth_tenancy.ended',
+  'berth_tenancy.cancelled',
 ] as const;
 
 export type WebhookEvent = (typeof WEBHOOK_EVENTS)[number];
@@ -78,8 +78,8 @@ export const INTERNAL_TO_WEBHOOK_MAP: Record<string, WebhookEvent> = {
   'company_membership:added': 'company_membership.added',
   'company_membership:updated': 'company_membership.updated',
   'company_membership:ended': 'company_membership.ended',
-  'berth_reservation:created': 'berth_reservation.created',
-  'berth_reservation:activated': 'berth_reservation.activated',
-  'berth_reservation:ended': 'berth_reservation.ended',
-  'berth_reservation:cancelled': 'berth_reservation.cancelled',
+  'berth_tenancy:created': 'berth_tenancy.created',
+  'berth_tenancy:activated': 'berth_tenancy.activated',
+  'berth_tenancy:ended': 'berth_tenancy.ended',
+  'berth_tenancy:cancelled': 'berth_tenancy.cancelled',
 };
diff --git a/src/lib/socket/events.ts b/src/lib/socket/events.ts
index 17b392d9..4fb0c49b 100644
--- a/src/lib/socket/events.ts
+++ b/src/lib/socket/events.ts
@@ -132,11 +132,11 @@ export interface ServerToClientEvents {
     clientId: string;
   }) => void;
 
-  // Berth reservation events
-  'berth_reservation:created': (payload: { reservationId: string; berthId: string }) => void;
-  'berth_reservation:activated': (payload: { reservationId: string; berthId: string }) => void;
-  'berth_reservation:ended': (payload: { reservationId: string; berthId: string }) => void;
-  'berth_reservation:cancelled': (payload: { reservationId: string; berthId: string }) => void;
+  // Berth tenancy events
+  'berth_tenancy:created': (payload: { tenancyId: string; berthId: string }) => void;
+  'berth_tenancy:activated': (payload: { tenancyId: string; berthId: string }) => void;
+  'berth_tenancy:ended': (payload: { tenancyId: string; berthId: string }) => void;
+  'berth_tenancy:cancelled': (payload: { tenancyId: string; berthId: string }) => void;
 
   // Document events
   'document:created': (payload: { documentId: string; type?: string; interestId?: string }) => void;
diff --git a/src/lib/validators/documents.ts b/src/lib/validators/documents.ts
index 65757aef..80e863ac 100644
--- a/src/lib/validators/documents.ts
+++ b/src/lib/validators/documents.ts
@@ -36,7 +36,7 @@ export const createDocumentWizardSchema = z
     notes: z.string().optional(),
 
     interestId: z.string().optional(),
-    reservationId: z.string().optional(),
+    tenancyId: z.string().optional(),
     clientId: z.string().optional(),
     companyId: z.string().optional(),
     yachtId: z.string().optional(),
@@ -55,9 +55,8 @@ export const createDocumentWizardSchema = z
   })
   .refine(
     (d) =>
-      [d.interestId, d.reservationId, d.clientId, d.companyId, d.yachtId].filter(Boolean).length ===
-      1,
-    { message: 'Exactly one subject (interest/reservation/client/company/yacht) is required' },
+      [d.interestId, d.tenancyId, d.clientId, d.companyId, d.yachtId].filter(Boolean).length === 1,
+    { message: 'Exactly one subject (interest/tenancy/client/company/yacht) is required' },
   )
   .refine((d) => d.source !== 'template' || Boolean(d.templateId), {
     path: ['templateId'],
diff --git a/src/lib/validators/reservations.ts b/src/lib/validators/tenancies.ts
similarity index 72%
rename from src/lib/validators/reservations.ts
rename to src/lib/validators/tenancies.ts
index fa9ef61e..c1725e4d 100644
--- a/src/lib/validators/reservations.ts
+++ b/src/lib/validators/tenancies.ts
@@ -1,7 +1,7 @@
 import { z } from 'zod';
 import { baseListQuerySchema } from '@/lib/api/list-query';
 
-export const RESERVATION_STATUSES = ['pending', 'active', 'ended', 'cancelled'] as const;
+export const TENANCY_STATUSES = ['pending', 'active', 'ended', 'cancelled'] as const;
 export const TENURE_TYPES = ['permanent', 'fixed_term', 'seasonal'] as const;
 
 export const createPendingSchema = z.object({
@@ -19,7 +19,7 @@ export const activateSchema = z.object({
   effectiveDate: z.coerce.date().optional(),
 });
 
-export const endReservationSchema = z.object({
+export const endTenancySchema = z.object({
   endDate: z.coerce.date(),
   notes: z.string().optional(),
 });
@@ -28,8 +28,8 @@ export const cancelSchema = z.object({
   reason: z.string().optional(),
 });
 
-export const listReservationsSchema = baseListQuerySchema.extend({
-  status: z.enum(RESERVATION_STATUSES).optional(),
+export const listTenanciesSchema = baseListQuerySchema.extend({
+  status: z.enum(TENANCY_STATUSES).optional(),
   berthId: z.string().optional(),
   clientId: z.string().optional(),
   yachtId: z.string().optional(),
@@ -37,6 +37,6 @@ export const listReservationsSchema = baseListQuerySchema.extend({
 
 export type CreatePendingInput = z.infer<typeof createPendingSchema>;
 export type ActivateInput = z.infer<typeof activateSchema>;
-export type EndReservationInput = z.infer<typeof endReservationSchema>;
+export type EndTenancyInput = z.infer<typeof endTenancySchema>;
 export type CancelInput = z.infer<typeof cancelSchema>;
-export type ListReservationsInput = z.infer<typeof listReservationsSchema>;
+export type ListTenanciesInput = z.infer<typeof listTenanciesSchema>;
diff --git a/tests/e2e/destructive/02-client-smart-archive.spec.ts b/tests/e2e/destructive/02-client-smart-archive.spec.ts
index 596cb0be..8fcf2382 100644
--- a/tests/e2e/destructive/02-client-smart-archive.spec.ts
+++ b/tests/e2e/destructive/02-client-smart-archive.spec.ts
@@ -93,7 +93,7 @@ test.describe('destructive: client smart-archive + smart-restore', () => {
         acknowledgedSignedDocuments: false,
         berthDecisions: [],
         yachtDecisions: [],
-        reservationDecisions: [],
+        tenancyDecisions: [],
         invoiceDecisions: [],
         documentDecisions: [],
       },
diff --git a/tests/global-setup.ts b/tests/global-setup.ts
index e675c243..65e94dd9 100644
--- a/tests/global-setup.ts
+++ b/tests/global-setup.ts
@@ -31,7 +31,7 @@ export async function teardown() {
     -- Cascade-delete dependent rows. Order respects FK chains.
     , del_audit AS (DELETE FROM audit_logs WHERE port_id IN (SELECT id FROM doomed) RETURNING 1)
     , del_bml AS (DELETE FROM berth_maintenance_log WHERE port_id IN (SELECT id FROM doomed) RETURNING 1)
-    , del_resv AS (DELETE FROM berth_reservations WHERE port_id IN (SELECT id FROM doomed) RETURNING 1)
+    , del_resv AS (DELETE FROM berth_tenancies WHERE port_id IN (SELECT id FROM doomed) RETURNING 1)
     , del_caddr AS (DELETE FROM client_addresses WHERE port_id IN (SELECT id FROM doomed) RETURNING 1)
     , del_cmlog AS (DELETE FROM client_merge_log WHERE port_id IN (SELECT id FROM doomed) RETURNING 1)
     , del_crel AS (DELETE FROM client_relationships WHERE port_id IN (SELECT id FROM doomed) RETURNING 1)
diff --git a/tests/helpers/factories.ts b/tests/helpers/factories.ts
index 3c7d9b1b..fd4da278 100644
--- a/tests/helpers/factories.ts
+++ b/tests/helpers/factories.ts
@@ -22,7 +22,7 @@ import {
   type NewCompany,
   type Company,
 } from '@/lib/db/schema/companies';
-import { berthReservations, type BerthReservation } from '@/lib/db/schema/reservations';
+import { berthTenancies, type BerthTenancy } from '@/lib/db/schema/tenancies';
 
 // ─── Port ────────────────────────────────────────────────────────────────────
 
@@ -157,7 +157,7 @@ export async function makeMembership(args: {
 
 // ─── Berth Reservation ───────────────────────────────────────────────────────
 
-export async function makeReservation(args: {
+export async function makeTenancy(args: {
   berthId: string;
   portId: string;
   clientId: string;
@@ -169,9 +169,9 @@ export async function makeReservation(args: {
   interestId?: string;
   createdBy?: string;
   notes?: string;
-}): Promise<BerthReservation> {
+}): Promise<BerthTenancy> {
   const [row] = await db
-    .insert(berthReservations)
+    .insert(berthTenancies)
     .values({
       berthId: args.berthId,
       portId: args.portId,
@@ -363,7 +363,7 @@ export function makeFullPermissions(): RolePermissions {
     yachts: { view: true, create: true, edit: true, delete: true, transfer: true },
     companies: { view: true, create: true, edit: true, delete: true },
     memberships: { view: true, manage: true },
-    reservations: { view: true, create: true, activate: true, cancel: true },
+    tenancies: { view: true, manage: true, cancel: true },
     admin: {
       manage_users: true,
       view_audit_log: true,
@@ -451,7 +451,7 @@ export function makeViewerPermissions(): RolePermissions {
     yachts: { view: true, create: false, edit: false, delete: false, transfer: false },
     companies: { view: true, create: false, edit: false, delete: false },
     memberships: { view: true, manage: false },
-    reservations: { view: true, create: false, activate: false, cancel: false },
+    tenancies: { view: true, manage: false, cancel: false },
     admin: {
       manage_users: false,
       view_audit_log: false,
@@ -539,7 +539,7 @@ export function makeSalesAgentPermissions(): RolePermissions {
     yachts: { view: true, create: true, edit: true, delete: false, transfer: false },
     companies: { view: true, create: true, edit: false, delete: false },
     memberships: { view: true, manage: false },
-    reservations: { view: true, create: true, activate: true, cancel: false },
+    tenancies: { view: true, manage: true, cancel: false },
     admin: {
       manage_users: false,
       view_audit_log: false,
@@ -627,7 +627,7 @@ export function makeSalesManagerPermissions(): RolePermissions {
     yachts: { view: true, create: true, edit: true, delete: false, transfer: true },
     companies: { view: true, create: true, edit: true, delete: false },
     memberships: { view: true, manage: true },
-    reservations: { view: true, create: true, activate: true, cancel: true },
+    tenancies: { view: true, manage: true, cancel: true },
     admin: {
       manage_users: false,
       view_audit_log: true,
diff --git a/tests/integration/alerts-engine.test.ts b/tests/integration/alerts-engine.test.ts
index a4a6a963..7131c93f 100644
--- a/tests/integration/alerts-engine.test.ts
+++ b/tests/integration/alerts-engine.test.ts
@@ -16,7 +16,7 @@ vi.mock('@/lib/socket/server', () => ({
 import { db } from '@/lib/db';
 import { alerts } from '@/lib/db/schema/insights';
 import { interests } from '@/lib/db/schema/interests';
-import { berthReservations } from '@/lib/db/schema/reservations';
+import { berthTenancies } from '@/lib/db/schema/tenancies';
 import { documents } from '@/lib/db/schema/documents';
 import { runAlertEngineForPorts } from '@/lib/services/alert-engine';
 import { makePort, makeClient, makeBerth, makeYacht } from '../helpers/factories';
@@ -49,7 +49,7 @@ describe('alert engine', () => {
     });
     const fourDaysAgo = new Date(Date.now() - 4 * 86_400_000);
     const [resv] = await db
-      .insert(berthReservations)
+      .insert(berthTenancies)
       .values({
         portId: port.id,
         berthId: berth.id,
@@ -82,7 +82,7 @@ describe('alert engine', () => {
       ownerId: client.id,
     });
     const stale = new Date(Date.now() - 10 * 86_400_000);
-    await db.insert(berthReservations).values({
+    await db.insert(berthTenancies).values({
       portId: port.id,
       berthId: berth.id,
       clientId: client.id,
@@ -112,7 +112,7 @@ describe('alert engine', () => {
     });
     const tenDaysAgo = new Date(Date.now() - 10 * 86_400_000);
     const [resv] = await db
-      .insert(berthReservations)
+      .insert(berthTenancies)
       .values({
         portId: port.id,
         berthId: berth.id,
@@ -132,7 +132,7 @@ describe('alert engine', () => {
     // Add an agreement document - condition no longer fires.
     await db.insert(documents).values({
       portId: port.id,
-      reservationId: resv!.id,
+      tenancyId: resv!.id,
       documentType: 'reservation_agreement',
       title: 'Reservation Agreement',
       status: 'sent',
diff --git a/tests/integration/api/berth-reservations-list.test.ts b/tests/integration/api/berth-tenancies-list.test.ts
similarity index 58%
rename from tests/integration/api/berth-reservations-list.test.ts
rename to tests/integration/api/berth-tenancies-list.test.ts
index 6e27caf8..447e8ad3 100644
--- a/tests/integration/api/berth-reservations-list.test.ts
+++ b/tests/integration/api/berth-tenancies-list.test.ts
@@ -1,15 +1,15 @@
 /**
- * Port-scoped global reservations list - locks in feat(marina): the new
- * `GET /api/v1/berth-reservations` endpoint that powers the
- * `[portSlug]/berth-reservations` page. The route is thin (parseQuery →
- * listReservations); the test guarantees port scoping at the handler
+ * Port-scoped global tenancies list - locks in feat(marina): the
+ * `GET /api/v1/tenancies` endpoint that powers the
+ * `[portSlug]/tenancies` page. The route is thin (parseQuery →
+ * listTenancies); the test guarantees port scoping at the handler
  * boundary so a future refactor of the service can't accidentally leak
  * cross-port rows.
  */
 import { describe, it, expect } from 'vitest';
 
-import { listHandler } from '@/app/api/v1/berth-reservations/handlers';
-import { createHandler as createReservationHandler } from '@/app/api/v1/berths/[id]/reservations/handlers';
+import { listHandler } from '@/app/api/v1/tenancies/handlers';
+import { createHandler as createTenancyHandler } from '@/app/api/v1/berths/[id]/tenancies/handlers';
 import { makeMockCtx, makeMockRequest } from '../../helpers/route-tester';
 import {
   makeBerth,
@@ -19,13 +19,13 @@ import {
   makeYacht,
 } from '../../helpers/factories';
 
-async function seedReservation(portId: string) {
+async function seedTenancy(portId: string) {
   const berth = await makeBerth({ portId });
   const client = await makeClient({ portId });
   const yacht = await makeYacht({ portId, ownerType: 'client', ownerId: client.id });
   const ctx = makeMockCtx({ portId, permissions: makeFullPermissions() });
-  const res = await createReservationHandler(
-    makeMockRequest('POST', `http://localhost/api/v1/berths/${berth.id}/reservations`, {
+  const res = await createTenancyHandler(
+    makeMockRequest('POST', `http://localhost/api/v1/berths/${berth.id}/tenancies`, {
       body: {
         clientId: client.id,
         yachtId: yacht.id,
@@ -38,17 +38,14 @@ async function seedReservation(portId: string) {
   return ((await res.json()) as any).data as { id: string; berthId: string };
 }
 
-describe('GET /api/v1/berth-reservations', () => {
-  it('returns all reservations for the requesting port', async () => {
+describe('GET /api/v1/tenancies', () => {
+  it('returns all tenancies for the requesting port', async () => {
     const port = await makePort();
-    const r1 = await seedReservation(port.id);
-    const r2 = await seedReservation(port.id);
+    const r1 = await seedTenancy(port.id);
+    const r2 = await seedTenancy(port.id);
 
     const ctx = makeMockCtx({ portId: port.id, permissions: makeFullPermissions() });
-    const res = await listHandler(
-      makeMockRequest('GET', 'http://localhost/api/v1/berth-reservations'),
-      ctx,
-    );
+    const res = await listHandler(makeMockRequest('GET', 'http://localhost/api/v1/tenancies'), ctx);
     expect(res.status).toBe(200);
 
     const body = (await res.json()) as any;
@@ -57,33 +54,30 @@ describe('GET /api/v1/berth-reservations', () => {
     expect(body.pagination).toMatchObject({ page: 1, total: 2 });
   });
 
-  it('does not leak reservations from a different port', async () => {
+  it('does not leak tenancies from a different port', async () => {
     const portA = await makePort();
     const portB = await makePort();
-    const reservationInB = await seedReservation(portB.id);
+    const tenancyInB = await seedTenancy(portB.id);
 
-    // Caller is operating in portA; portB's reservation must not appear.
+    // Caller is operating in portA; portB's tenancy must not appear.
     const ctx = makeMockCtx({ portId: portA.id, permissions: makeFullPermissions() });
-    const res = await listHandler(
-      makeMockRequest('GET', 'http://localhost/api/v1/berth-reservations'),
-      ctx,
-    );
+    const res = await listHandler(makeMockRequest('GET', 'http://localhost/api/v1/tenancies'), ctx);
     expect(res.status).toBe(200);
 
     const body = (await res.json()) as any;
     const ids = (body.data as Array<{ id: string }>).map((r) => r.id);
-    expect(ids).not.toContain(reservationInB.id);
+    expect(ids).not.toContain(tenancyInB.id);
   });
 
   it('honors pagination via query params', async () => {
     const port = await makePort();
-    await seedReservation(port.id);
-    await seedReservation(port.id);
-    await seedReservation(port.id);
+    await seedTenancy(port.id);
+    await seedTenancy(port.id);
+    await seedTenancy(port.id);
 
     const ctx = makeMockCtx({ portId: port.id, permissions: makeFullPermissions() });
     const res = await listHandler(
-      makeMockRequest('GET', 'http://localhost/api/v1/berth-reservations?page=1&limit=2'),
+      makeMockRequest('GET', 'http://localhost/api/v1/tenancies?page=1&limit=2'),
       ctx,
     );
     expect(res.status).toBe(200);
diff --git a/tests/integration/api/reservations.test.ts b/tests/integration/api/tenancies.test.ts
similarity index 78%
rename from tests/integration/api/reservations.test.ts
rename to tests/integration/api/tenancies.test.ts
index a1d74f95..6bb310ea 100644
--- a/tests/integration/api/reservations.test.ts
+++ b/tests/integration/api/tenancies.test.ts
@@ -4,14 +4,14 @@ import { eq } from 'drizzle-orm';
 import {
   createHandler as createReservationHandler,
   listHandler as listReservationsHandler,
-} from '@/app/api/v1/berths/[id]/reservations/handlers';
+} from '@/app/api/v1/berths/[id]/tenancies/handlers';
 import {
   getHandler as getReservationHandler,
   patchHandler as patchReservationHandler,
   deleteHandler as deleteReservationHandler,
-} from '@/app/api/v1/berth-reservations/[id]/handlers';
+} from '@/app/api/v1/tenancies/[id]/handlers';
 import { db } from '@/lib/db';
-import { berthReservations } from '@/lib/db/schema/reservations';
+import { berthTenancies } from '@/lib/db/schema/tenancies';
 import { makeMockCtx, makeMockRequest } from '../../helpers/route-tester';
 import {
   makeBerth,
@@ -22,9 +22,9 @@ import {
   makeYacht,
 } from '../../helpers/factories';
 
-// ─── POST /api/v1/berths/[id]/reservations ───────────────────────────────────
+// ─── POST /api/v1/berths/[id]/tenancies ───────────────────────────────────
 
-describe('POST /api/v1/berths/[id]/reservations', () => {
+describe('POST /api/v1/berths/[id]/tenancies', () => {
   it('creates pending reservation (201)', async () => {
     const port = await makePort();
     const berth = await makeBerth({ portId: port.id });
@@ -36,7 +36,7 @@ describe('POST /api/v1/berths/[id]/reservations', () => {
     });
     const ctx = makeMockCtx({ portId: port.id, permissions: makeFullPermissions() });
 
-    const req = makeMockRequest('POST', `http://localhost/api/v1/berths/${berth.id}/reservations`, {
+    const req = makeMockRequest('POST', `http://localhost/api/v1/berths/${berth.id}/tenancies`, {
       body: {
         clientId: client.id,
         yachtId: yacht.id,
@@ -64,7 +64,7 @@ describe('POST /api/v1/berths/[id]/reservations', () => {
     });
     const ctx = makeMockCtx({ portId: port.id, permissions: makeFullPermissions() });
 
-    const req = makeMockRequest('POST', `http://localhost/api/v1/berths/${berth.id}/reservations`, {
+    const req = makeMockRequest('POST', `http://localhost/api/v1/berths/${berth.id}/tenancies`, {
       body: {
         clientId: otherClient.id,
         yachtId: yacht.id,
@@ -88,17 +88,13 @@ describe('POST /api/v1/berths/[id]/reservations', () => {
     // Caller is scoped to portB but the URL berth lives in portA.
     const ctxB = makeMockCtx({ portId: portB.id, permissions: makeFullPermissions() });
 
-    const req = makeMockRequest(
-      'POST',
-      `http://localhost/api/v1/berths/${berthA.id}/reservations`,
-      {
-        body: {
-          clientId: client.id,
-          yachtId: yacht.id,
-          startDate: new Date().toISOString(),
-        },
+    const req = makeMockRequest('POST', `http://localhost/api/v1/berths/${berthA.id}/tenancies`, {
+      body: {
+        clientId: client.id,
+        yachtId: yacht.id,
+        startDate: new Date().toISOString(),
       },
-    );
+    });
     const res = await createReservationHandler(req, ctxB, { id: berthA.id });
     expect(res.status).toBe(404);
   });
@@ -115,18 +111,14 @@ describe('POST /api/v1/berths/[id]/reservations', () => {
     });
     const ctx = makeMockCtx({ portId: port.id, permissions: makeFullPermissions() });
 
-    const req = makeMockRequest(
-      'POST',
-      `http://localhost/api/v1/berths/${urlBerth.id}/reservations`,
-      {
-        body: {
-          berthId: bodyBerth.id,
-          clientId: client.id,
-          yachtId: yacht.id,
-          startDate: new Date().toISOString(),
-        },
+    const req = makeMockRequest('POST', `http://localhost/api/v1/berths/${urlBerth.id}/tenancies`, {
+      body: {
+        berthId: bodyBerth.id,
+        clientId: client.id,
+        yachtId: yacht.id,
+        startDate: new Date().toISOString(),
       },
-    );
+    });
     const res = await createReservationHandler(req, ctx, { id: urlBerth.id });
     expect(res.status).toBe(201);
     const body = (await res.json()) as any;
@@ -135,9 +127,9 @@ describe('POST /api/v1/berths/[id]/reservations', () => {
   });
 });
 
-// ─── GET /api/v1/berths/[id]/reservations ────────────────────────────────────
+// ─── GET /api/v1/berths/[id]/tenancies ────────────────────────────────────
 
-describe('GET /api/v1/berths/[id]/reservations', () => {
+describe('GET /api/v1/berths/[id]/tenancies', () => {
   it('returns reservations filtered by that berth', async () => {
     const port = await makePort();
     const berthA = await makeBerth({ portId: port.id });
@@ -152,7 +144,7 @@ describe('GET /api/v1/berths/[id]/reservations', () => {
 
     // Create a reservation for berthA.
     await createReservationHandler(
-      makeMockRequest('POST', `http://localhost/api/v1/berths/${berthA.id}/reservations`, {
+      makeMockRequest('POST', `http://localhost/api/v1/berths/${berthA.id}/tenancies`, {
         body: {
           clientId: client.id,
           yachtId: yacht.id,
@@ -165,7 +157,7 @@ describe('GET /api/v1/berths/[id]/reservations', () => {
 
     // Create a reservation for berthB.
     await createReservationHandler(
-      makeMockRequest('POST', `http://localhost/api/v1/berths/${berthB.id}/reservations`, {
+      makeMockRequest('POST', `http://localhost/api/v1/berths/${berthB.id}/tenancies`, {
         body: {
           clientId: client.id,
           yachtId: yacht.id,
@@ -177,7 +169,7 @@ describe('GET /api/v1/berths/[id]/reservations', () => {
     );
 
     const res = await listReservationsHandler(
-      makeMockRequest('GET', `http://localhost/api/v1/berths/${berthA.id}/reservations`),
+      makeMockRequest('GET', `http://localhost/api/v1/berths/${berthA.id}/tenancies`),
       ctx,
       { id: berthA.id },
     );
@@ -188,9 +180,9 @@ describe('GET /api/v1/berths/[id]/reservations', () => {
   });
 });
 
-// ─── GET /api/v1/berth-reservations/[id] ─────────────────────────────────────
+// ─── GET /api/v1/tenancies/[id] ─────────────────────────────────────
 
-describe('GET /api/v1/berth-reservations/[id]', () => {
+describe('GET /api/v1/tenancies/[id]', () => {
   it('returns the reservation', async () => {
     const port = await makePort();
     const berth = await makeBerth({ portId: port.id });
@@ -203,7 +195,7 @@ describe('GET /api/v1/berth-reservations/[id]', () => {
     const ctx = makeMockCtx({ portId: port.id, permissions: makeFullPermissions() });
 
     const createRes = await createReservationHandler(
-      makeMockRequest('POST', `http://localhost/api/v1/berths/${berth.id}/reservations`, {
+      makeMockRequest('POST', `http://localhost/api/v1/berths/${berth.id}/tenancies`, {
         body: {
           clientId: client.id,
           yachtId: yacht.id,
@@ -216,7 +208,7 @@ describe('GET /api/v1/berth-reservations/[id]', () => {
     const reservation = ((await createRes.json()) as any).data;
 
     const res = await getReservationHandler(
-      makeMockRequest('GET', `http://localhost/api/v1/berth-reservations/${reservation.id}`),
+      makeMockRequest('GET', `http://localhost/api/v1/tenancies/${reservation.id}`),
       ctx,
       { id: reservation.id },
     );
@@ -238,7 +230,7 @@ describe('GET /api/v1/berth-reservations/[id]', () => {
     const ctxA = makeMockCtx({ portId: portA.id, permissions: makeFullPermissions() });
 
     const createRes = await createReservationHandler(
-      makeMockRequest('POST', `http://localhost/api/v1/berths/${berth.id}/reservations`, {
+      makeMockRequest('POST', `http://localhost/api/v1/berths/${berth.id}/tenancies`, {
         body: {
           clientId: client.id,
           yachtId: yacht.id,
@@ -252,7 +244,7 @@ describe('GET /api/v1/berth-reservations/[id]', () => {
 
     const ctxB = makeMockCtx({ portId: portB.id, permissions: makeFullPermissions() });
     const res = await getReservationHandler(
-      makeMockRequest('GET', `http://localhost/api/v1/berth-reservations/${reservation.id}`),
+      makeMockRequest('GET', `http://localhost/api/v1/tenancies/${reservation.id}`),
       ctxB,
       { id: reservation.id },
     );
@@ -260,9 +252,9 @@ describe('GET /api/v1/berth-reservations/[id]', () => {
   });
 });
 
-// ─── PATCH /api/v1/berth-reservations/[id] ───────────────────────────────────
+// ─── PATCH /api/v1/tenancies/[id] ───────────────────────────────────
 
-describe('PATCH /api/v1/berth-reservations/[id]', () => {
+describe('PATCH /api/v1/tenancies/[id]', () => {
   async function seedReservation() {
     const port = await makePort();
     const berth = await makeBerth({ portId: port.id });
@@ -275,7 +267,7 @@ describe('PATCH /api/v1/berth-reservations/[id]', () => {
     const ctx = makeMockCtx({ portId: port.id, permissions: makeFullPermissions() });
 
     const createRes = await createReservationHandler(
-      makeMockRequest('POST', `http://localhost/api/v1/berths/${berth.id}/reservations`, {
+      makeMockRequest('POST', `http://localhost/api/v1/berths/${berth.id}/tenancies`, {
         body: {
           clientId: client.id,
           yachtId: yacht.id,
@@ -292,7 +284,7 @@ describe('PATCH /api/v1/berth-reservations/[id]', () => {
   it('activate: pending → active (200)', async () => {
     const { ctx, reservation } = await seedReservation();
     const res = await patchReservationHandler(
-      makeMockRequest('PATCH', `http://localhost/api/v1/berth-reservations/${reservation.id}`, {
+      makeMockRequest('PATCH', `http://localhost/api/v1/tenancies/${reservation.id}`, {
         body: { action: 'activate' },
       }),
       ctx,
@@ -308,7 +300,7 @@ describe('PATCH /api/v1/berth-reservations/[id]', () => {
 
     // First activate.
     await patchReservationHandler(
-      makeMockRequest('PATCH', `http://localhost/api/v1/berth-reservations/${reservation.id}`, {
+      makeMockRequest('PATCH', `http://localhost/api/v1/tenancies/${reservation.id}`, {
         body: { action: 'activate' },
       }),
       ctx,
@@ -318,7 +310,7 @@ describe('PATCH /api/v1/berth-reservations/[id]', () => {
     // Then end.
     const endDate = new Date('2027-01-01T00:00:00.000Z');
     const res = await patchReservationHandler(
-      makeMockRequest('PATCH', `http://localhost/api/v1/berth-reservations/${reservation.id}`, {
+      makeMockRequest('PATCH', `http://localhost/api/v1/tenancies/${reservation.id}`, {
         body: {
           action: 'end',
           endDate: endDate.toISOString(),
@@ -337,7 +329,7 @@ describe('PATCH /api/v1/berth-reservations/[id]', () => {
   it('cancel: pending → cancelled (200)', async () => {
     const { ctx, reservation } = await seedReservation();
     const res = await patchReservationHandler(
-      makeMockRequest('PATCH', `http://localhost/api/v1/berth-reservations/${reservation.id}`, {
+      makeMockRequest('PATCH', `http://localhost/api/v1/tenancies/${reservation.id}`, {
         body: { action: 'cancel', reason: 'client changed mind' },
       }),
       ctx,
@@ -353,7 +345,7 @@ describe('PATCH /api/v1/berth-reservations/[id]', () => {
 
     // pending → active.
     await patchReservationHandler(
-      makeMockRequest('PATCH', `http://localhost/api/v1/berth-reservations/${reservation.id}`, {
+      makeMockRequest('PATCH', `http://localhost/api/v1/tenancies/${reservation.id}`, {
         body: { action: 'activate' },
       }),
       ctx,
@@ -361,7 +353,7 @@ describe('PATCH /api/v1/berth-reservations/[id]', () => {
     );
     // active → ended.
     await patchReservationHandler(
-      makeMockRequest('PATCH', `http://localhost/api/v1/berth-reservations/${reservation.id}`, {
+      makeMockRequest('PATCH', `http://localhost/api/v1/tenancies/${reservation.id}`, {
         body: {
           action: 'end',
           endDate: new Date().toISOString(),
@@ -373,7 +365,7 @@ describe('PATCH /api/v1/berth-reservations/[id]', () => {
 
     // ended → activate should fail.
     const res = await patchReservationHandler(
-      makeMockRequest('PATCH', `http://localhost/api/v1/berth-reservations/${reservation.id}`, {
+      makeMockRequest('PATCH', `http://localhost/api/v1/tenancies/${reservation.id}`, {
         body: { action: 'activate' },
       }),
       ctx,
@@ -385,7 +377,7 @@ describe('PATCH /api/v1/berth-reservations/[id]', () => {
   it('returns 400 on invalid body shape (action missing)', async () => {
     const { ctx, reservation } = await seedReservation();
     const res = await patchReservationHandler(
-      makeMockRequest('PATCH', `http://localhost/api/v1/berth-reservations/${reservation.id}`, {
+      makeMockRequest('PATCH', `http://localhost/api/v1/tenancies/${reservation.id}`, {
         body: { notes: 'noop' },
       }),
       ctx,
@@ -394,18 +386,18 @@ describe('PATCH /api/v1/berth-reservations/[id]', () => {
     expect(res.status).toBe(400);
   });
 
-  it('returns 403 when caller lacks reservations.activate for activate action', async () => {
+  it('returns 403 when caller lacks tenancies.manage for activate action', async () => {
     const { port, reservation } = await seedReservation();
-    // Viewer-like permissions: no activate.
+    // Viewer-like permissions: no manage.
     const ctx = makeMockCtx({
       portId: port.id,
       permissions: {
         ...makeSalesAgentPermissions(),
-        reservations: { view: true, create: true, activate: false, cancel: true },
+        tenancies: { view: true, manage: false, cancel: true },
       },
     });
     const res = await patchReservationHandler(
-      makeMockRequest('PATCH', `http://localhost/api/v1/berth-reservations/${reservation.id}`, {
+      makeMockRequest('PATCH', `http://localhost/api/v1/tenancies/${reservation.id}`, {
         body: { action: 'activate' },
       }),
       ctx,
@@ -414,15 +406,15 @@ describe('PATCH /api/v1/berth-reservations/[id]', () => {
     expect(res.status).toBe(403);
   });
 
-  it('returns 403 when caller lacks reservations.cancel for cancel action', async () => {
+  it('returns 403 when caller lacks tenancies.cancel for cancel action', async () => {
     const { port, reservation } = await seedReservation();
-    // Sales agent - has activate but NOT cancel.
+    // Sales agent - has manage but NOT cancel.
     const ctx = makeMockCtx({
       portId: port.id,
       permissions: makeSalesAgentPermissions(),
     });
     const res = await patchReservationHandler(
-      makeMockRequest('PATCH', `http://localhost/api/v1/berth-reservations/${reservation.id}`, {
+      makeMockRequest('PATCH', `http://localhost/api/v1/tenancies/${reservation.id}`, {
         body: { action: 'cancel', reason: 'test' },
       }),
       ctx,
@@ -432,7 +424,7 @@ describe('PATCH /api/v1/berth-reservations/[id]', () => {
 
     // But activate succeeds with the same permissions set.
     const activateRes = await patchReservationHandler(
-      makeMockRequest('PATCH', `http://localhost/api/v1/berth-reservations/${reservation.id}`, {
+      makeMockRequest('PATCH', `http://localhost/api/v1/tenancies/${reservation.id}`, {
         body: { action: 'activate' },
       }),
       ctx,
@@ -442,9 +434,9 @@ describe('PATCH /api/v1/berth-reservations/[id]', () => {
   });
 });
 
-// ─── DELETE /api/v1/berth-reservations/[id] ──────────────────────────────────
+// ─── DELETE /api/v1/tenancies/[id] ──────────────────────────────────
 
-describe('DELETE /api/v1/berth-reservations/[id]', () => {
+describe('DELETE /api/v1/tenancies/[id]', () => {
   it('cancels the reservation (204)', async () => {
     const port = await makePort();
     const berth = await makeBerth({ portId: port.id });
@@ -457,7 +449,7 @@ describe('DELETE /api/v1/berth-reservations/[id]', () => {
     const ctx = makeMockCtx({ portId: port.id, permissions: makeFullPermissions() });
 
     const createRes = await createReservationHandler(
-      makeMockRequest('POST', `http://localhost/api/v1/berths/${berth.id}/reservations`, {
+      makeMockRequest('POST', `http://localhost/api/v1/berths/${berth.id}/tenancies`, {
         body: {
           clientId: client.id,
           yachtId: yacht.id,
@@ -470,7 +462,7 @@ describe('DELETE /api/v1/berth-reservations/[id]', () => {
     const reservation = ((await createRes.json()) as any).data;
 
     const delRes = await deleteReservationHandler(
-      makeMockRequest('DELETE', `http://localhost/api/v1/berth-reservations/${reservation.id}`),
+      makeMockRequest('DELETE', `http://localhost/api/v1/tenancies/${reservation.id}`),
       ctx,
       { id: reservation.id },
     );
@@ -478,8 +470,8 @@ describe('DELETE /api/v1/berth-reservations/[id]', () => {
 
     const [row] = await db
       .select()
-      .from(berthReservations)
-      .where(eq(berthReservations.id, reservation.id));
+      .from(berthTenancies)
+      .where(eq(berthTenancies.id, reservation.id));
     expect(row?.status).toBe('cancelled');
   });
 });
diff --git a/tests/integration/factories-smoke.test.ts b/tests/integration/factories-smoke.test.ts
index c0a7e125..2122acdd 100644
--- a/tests/integration/factories-smoke.test.ts
+++ b/tests/integration/factories-smoke.test.ts
@@ -6,7 +6,7 @@ import {
   makeBerth,
   makeYacht,
   makeMembership,
-  makeReservation,
+  makeTenancy,
   makeOwnershipTransfer,
 } from '../helpers/factories';
 import { db } from '@/lib/db';
@@ -23,7 +23,7 @@ describe('factory helpers smoke', () => {
     expect(m.endDate).toBeNull();
   });
 
-  it('makeReservation inserts a row in any status', async () => {
+  it('makeTenancy inserts a row in any status', async () => {
     const port = await makePort();
     const berth = await makeBerth({ portId: port.id });
     const client = await makeClient({ portId: port.id });
@@ -32,7 +32,7 @@ describe('factory helpers smoke', () => {
       ownerType: 'client',
       ownerId: client.id,
     });
-    const r = await makeReservation({
+    const r = await makeTenancy({
       berthId: berth.id,
       portId: port.id,
       clientId: client.id,
diff --git a/tests/integration/permission-matrix.test.ts b/tests/integration/permission-matrix.test.ts
index 07c15756..8d996edc 100644
--- a/tests/integration/permission-matrix.test.ts
+++ b/tests/integration/permission-matrix.test.ts
@@ -252,9 +252,9 @@ describe('deepMerge - permission override merging', () => {
   });
 });
 
-// ─── new resources (yachts, companies, memberships, reservations) ────────────
+// ─── new resources (yachts, companies, memberships, tenancies) ──────────────
 
-describe('new resources (yachts, companies, memberships, reservations)', () => {
+describe('new resources (yachts, companies, memberships, tenancies)', () => {
   it('super_admin bypasses all new resource permissions', async () => {
     const ctx = makeCtx({ isSuperAdmin: true, permissions: null });
     const handler = vi.fn(okHandler());
@@ -295,15 +295,15 @@ describe('new resources (yachts, companies, memberships, reservations)', () => {
     expect(manageRes.status).toBe(200);
   });
 
-  it('sales_agent can reservations.activate but not reservations.cancel', async () => {
+  it('sales_agent can tenancies.manage but not tenancies.cancel', async () => {
     const ctx = makeCtx({ permissions: makeSalesAgentPermissions() });
-    const activateRes = await withPermission('reservations', 'activate', vi.fn(okHandler()))(
+    const manageRes = await withPermission('tenancies', 'manage', vi.fn(okHandler()))(
       makeRequest(),
       ctx,
       {},
     );
-    expect(activateRes.status).toBe(200);
-    const cancelRes = await withPermission('reservations', 'cancel', vi.fn(okHandler()))(
+    expect(manageRes.status).toBe(200);
+    const cancelRes = await withPermission('tenancies', 'cancel', vi.fn(okHandler()))(
       makeRequest(),
       ctx,
       {},
diff --git a/tests/integration/schema-constraints.test.ts b/tests/integration/schema-constraints.test.ts
index 381e7631..df5e274f 100644
--- a/tests/integration/schema-constraints.test.ts
+++ b/tests/integration/schema-constraints.test.ts
@@ -12,7 +12,7 @@ import { describe, it, expect, beforeAll } from 'vitest';
 
 import { db } from '@/lib/db';
 import { yachtOwnershipHistory } from '@/lib/db/schema/yachts';
-import { berthReservations } from '@/lib/db/schema/reservations';
+import { berthTenancies } from '@/lib/db/schema/tenancies';
 import { companies } from '@/lib/db/schema/companies';
 import { makeBerth, makeClient, makeCompany, makePort, makeYacht } from '../helpers/factories';
 
@@ -86,7 +86,7 @@ describe('schema constraints', () => {
     });
     const berth = await makeBerth({ portId: port.id });
 
-    await db.insert(berthReservations).values({
+    await db.insert(berthTenancies).values({
       berthId: berth.id,
       portId: port.id,
       clientId: clientA.id,
@@ -97,7 +97,7 @@ describe('schema constraints', () => {
     });
 
     await expect(
-      db.insert(berthReservations).values({
+      db.insert(berthTenancies).values({
         berthId: berth.id,
         portId: port.id,
         clientId: clientB.id,
@@ -126,7 +126,7 @@ describe('schema constraints', () => {
       // Two ended reservations on same berth - both should succeed
       // (partial index only constrains status='active').
       await expect(
-        db.insert(berthReservations).values([
+        db.insert(berthTenancies).values([
           {
             berthId: berth.id,
             portId: port.id,
diff --git a/tests/integration/reservation-exclusivity.test.ts b/tests/integration/tenancy-exclusivity.test.ts
similarity index 88%
rename from tests/integration/reservation-exclusivity.test.ts
rename to tests/integration/tenancy-exclusivity.test.ts
index 565186e3..b2eb2266 100644
--- a/tests/integration/reservation-exclusivity.test.ts
+++ b/tests/integration/tenancy-exclusivity.test.ts
@@ -1,9 +1,9 @@
 import { describe, it, expect } from 'vitest';
-import { createPending, activate, endReservation } from '@/lib/services/berth-reservations.service';
+import { createPending, activate, endTenancy } from '@/lib/services/berth-tenancies.service';
 import { makeBerth, makeClient, makePort, makeYacht, makeAuditMeta } from '../helpers/factories';
 import { ConflictError } from '@/lib/errors';
 
-describe('reservation exclusivity', () => {
+describe('tenancy exclusivity', () => {
   it('two concurrent activates on same berth: one succeeds, one throws ConflictError', async () => {
     const port = await makePort();
     const berth = await makeBerth({ portId: port.id });
@@ -52,7 +52,7 @@ describe('reservation exclusivity', () => {
     expect((failures[0] as PromiseRejectedResult).reason).toBeInstanceOf(ConflictError);
   });
 
-  it('activating a second reservation after first is ended succeeds', async () => {
+  it('activating a second tenancy after first is ended succeeds', async () => {
     const port = await makePort();
     const berth = await makeBerth({ portId: port.id });
     const clientA = await makeClient({ portId: port.id });
@@ -74,12 +74,7 @@ describe('reservation exclusivity', () => {
       makeAuditMeta({ portId: port.id }),
     );
     await activate(resA.id, port.id, {}, makeAuditMeta({ portId: port.id }));
-    await endReservation(
-      resA.id,
-      port.id,
-      { endDate: new Date() },
-      makeAuditMeta({ portId: port.id }),
-    );
+    await endTenancy(resA.id, port.id, { endDate: new Date() }, makeAuditMeta({ portId: port.id }));
 
     const resB = await createPending(
       port.id,
diff --git a/tests/unit/services/berth-reservations.test.ts b/tests/unit/services/berth-tenancies.test.ts
similarity index 93%
rename from tests/unit/services/berth-reservations.test.ts
rename to tests/unit/services/berth-tenancies.test.ts
index dc6d63b9..99462666 100644
--- a/tests/unit/services/berth-reservations.test.ts
+++ b/tests/unit/services/berth-tenancies.test.ts
@@ -3,10 +3,10 @@ import { eq } from 'drizzle-orm';
 import {
   createPending,
   activate,
-  endReservation,
+  endTenancy,
   cancel,
-  listReservations,
-} from '@/lib/services/berth-reservations.service';
+  listTenancies,
+} from '@/lib/services/berth-tenancies.service';
 import {
   makePort,
   makeClient,
@@ -20,7 +20,7 @@ import { companyMemberships } from '@/lib/db/schema/companies';
 
 // ─── createPending ───────────────────────────────────────────────────────────
 
-describe('berth-reservations.service - createPending', () => {
+describe('berth-tenancies.service - createPending', () => {
   it('creates pending reservation for client-owned yacht', async () => {
     const port = await makePort();
     const berth = await makeBerth({ portId: port.id });
@@ -203,7 +203,7 @@ describe('berth-reservations.service - createPending', () => {
 
 // ─── Lifecycle transitions ───────────────────────────────────────────────────
 
-describe('berth-reservations.service - lifecycle transitions', () => {
+describe('berth-tenancies.service - lifecycle transitions', () => {
   async function setup() {
     const port = await makePort();
     const berth = await makeBerth({ portId: port.id });
@@ -238,10 +238,10 @@ describe('berth-reservations.service - lifecycle transitions', () => {
     expect(activated.status).toBe('active');
   });
 
-  it('active → ended (endReservation)', async () => {
+  it('active → ended (endTenancy)', async () => {
     const { port, reservation } = await setup();
     await activate(reservation.id, port.id, {}, makeAuditMeta({ portId: port.id }));
-    const ended = await endReservation(
+    const ended = await endTenancy(
       reservation.id,
       port.id,
       { endDate: new Date() },
@@ -277,7 +277,7 @@ describe('berth-reservations.service - lifecycle transitions', () => {
   it('rejects ended → active (invalid transition)', async () => {
     const { port, reservation } = await setup();
     await activate(reservation.id, port.id, {}, makeAuditMeta({ portId: port.id }));
-    await endReservation(
+    await endTenancy(
       reservation.id,
       port.id,
       { endDate: new Date() },
@@ -304,7 +304,7 @@ describe('berth-reservations.service - lifecycle transitions', () => {
   it('rejects cancel from ended state', async () => {
     const { port, reservation } = await setup();
     await activate(reservation.id, port.id, {}, makeAuditMeta({ portId: port.id }));
-    await endReservation(
+    await endTenancy(
       reservation.id,
       port.id,
       { endDate: new Date() },
@@ -315,10 +315,10 @@ describe('berth-reservations.service - lifecycle transitions', () => {
     ).rejects.toThrow(/invalid transition/i);
   });
 
-  it('rejects endReservation on a pending reservation', async () => {
+  it('rejects endTenancy on a pending reservation', async () => {
     const { port, reservation } = await setup();
     await expect(
-      endReservation(
+      endTenancy(
         reservation.id,
         port.id,
         { endDate: new Date() },
@@ -328,9 +328,9 @@ describe('berth-reservations.service - lifecycle transitions', () => {
   });
 });
 
-// ─── listReservations ────────────────────────────────────────────────────────
+// ─── listTenancies ────────────────────────────────────────────────────────
 
-describe('berth-reservations.service - listReservations', () => {
+describe('berth-tenancies.service - listTenancies', () => {
   async function makeReservation(portId: string, opts?: { berthId?: string }) {
     const berth = opts?.berthId ? { id: opts.berthId } : await makeBerth({ portId });
     const client = await makeClient({ portId });
@@ -354,7 +354,7 @@ describe('berth-reservations.service - listReservations', () => {
     const resA = await makeReservation(portA.id);
     await makeReservation(portB.id);
 
-    const result = await listReservations(portA.id, {
+    const result = await listTenancies(portA.id, {
       page: 1,
       limit: 50,
       order: 'desc',
@@ -371,7 +371,7 @@ describe('berth-reservations.service - listReservations', () => {
     const resActive = await makeReservation(port.id);
     await activate(resActive.id, port.id, {}, makeAuditMeta({ portId: port.id }));
 
-    const activeList = await listReservations(port.id, {
+    const activeList = await listTenancies(port.id, {
       page: 1,
       limit: 50,
       order: 'desc',
@@ -403,7 +403,7 @@ describe('berth-reservations.service - listReservations', () => {
       makeAuditMeta({ portId: port.id }),
     );
 
-    const result = await listReservations(port.id, {
+    const result = await listTenancies(port.id, {
       page: 1,
       limit: 50,
       order: 'desc',
@@ -418,7 +418,7 @@ describe('berth-reservations.service - listReservations', () => {
 
 // ─── Self-check: DB state is as expected after cancel ────────────────────────
 
-describe('berth-reservations.service - DB state', () => {
+describe('berth-tenancies.service - DB state', () => {
   it('cancel persists status=cancelled in the database', async () => {
     const port = await makePort();
     const berth = await makeBerth({ portId: port.id });
@@ -431,8 +431,8 @@ describe('berth-reservations.service - DB state', () => {
     );
     await cancel(res.id, port.id, {}, makeAuditMeta({ portId: port.id }));
 
-    const { berthReservations } = await import('@/lib/db/schema');
-    const [row] = await db.select().from(berthReservations).where(eq(berthReservations.id, res.id));
+    const { berthTenancies } = await import('@/lib/db/schema');
+    const [row] = await db.select().from(berthTenancies).where(eq(berthTenancies.id, res.id));
     expect(row!.status).toBe('cancelled');
   });
 });
diff --git a/tests/unit/services/portal.test.ts b/tests/unit/services/portal.test.ts
index 1feff7e9..c289d727 100644
--- a/tests/unit/services/portal.test.ts
+++ b/tests/unit/services/portal.test.ts
@@ -238,8 +238,8 @@ describe('portal.service - getPortalUserMemberships', () => {
   });
 });
 
-describe('portal.service - getPortalUserReservations', () => {
-  let getPortalUserReservations: (clientId: string, portId: string) => Promise<Array<any>>;
+describe('portal.service - getPortalUserTenancies', () => {
+  let getPortalUserTenancies: (clientId: string, portId: string) => Promise<Array<any>>;
 
   let makeClient: typeof import('../../helpers/factories').makeClient;
 
@@ -249,20 +249,20 @@ describe('portal.service - getPortalUserReservations', () => {
 
   let makeBerth: typeof import('../../helpers/factories').makeBerth;
 
-  let makeReservation: typeof import('../../helpers/factories').makeReservation;
+  let makeTenancy: typeof import('../../helpers/factories').makeTenancy;
 
   beforeAll(async () => {
     const portalMod = await import('@/lib/services/portal.service');
-    getPortalUserReservations = portalMod.getPortalUserReservations;
+    getPortalUserTenancies = portalMod.getPortalUserTenancies;
     const factoriesMod = await import('../../helpers/factories');
     makeClient = factoriesMod.makeClient;
     makePort = factoriesMod.makePort;
     makeYacht = factoriesMod.makeYacht;
     makeBerth = factoriesMod.makeBerth;
-    makeReservation = factoriesMod.makeReservation;
+    makeTenancy = factoriesMod.makeTenancy;
   });
 
-  it('returns active + pending reservations', async () => {
+  it('returns active + pending tenancies', async () => {
     const port = await makePort();
     const client = await makeClient({ portId: port.id });
     const yacht = await makeYacht({
@@ -272,14 +272,14 @@ describe('portal.service - getPortalUserReservations', () => {
     });
     const berth1 = await makeBerth({ portId: port.id });
     const berth2 = await makeBerth({ portId: port.id });
-    await makeReservation({
+    await makeTenancy({
       berthId: berth1.id,
       portId: port.id,
       clientId: client.id,
       yachtId: yacht.id,
       status: 'active',
     });
-    await makeReservation({
+    await makeTenancy({
       berthId: berth2.id,
       portId: port.id,
       clientId: client.id,
@@ -287,7 +287,7 @@ describe('portal.service - getPortalUserReservations', () => {
       status: 'pending',
     });
 
-    const result = await getPortalUserReservations(client.id, port.id);
+    const result = await getPortalUserTenancies(client.id, port.id);
     expect(result).toHaveLength(2);
     const statuses = result.map((r) => r.status).sort();
     expect(statuses).toEqual(['active', 'pending']);
@@ -303,14 +303,14 @@ describe('portal.service - getPortalUserReservations', () => {
     });
     const berth1 = await makeBerth({ portId: port.id });
     const berth2 = await makeBerth({ portId: port.id });
-    await makeReservation({
+    await makeTenancy({
       berthId: berth1.id,
       portId: port.id,
       clientId: client.id,
       yachtId: yacht.id,
       status: 'ended',
     });
-    await makeReservation({
+    await makeTenancy({
       berthId: berth2.id,
       portId: port.id,
       clientId: client.id,
@@ -318,7 +318,7 @@ describe('portal.service - getPortalUserReservations', () => {
       status: 'cancelled',
     });
 
-    const result = await getPortalUserReservations(client.id, port.id);
+    const result = await getPortalUserTenancies(client.id, port.id);
     expect(result).toHaveLength(0);
   });
 
@@ -332,7 +332,7 @@ describe('portal.service - getPortalUserReservations', () => {
       ownerId: client.id,
     });
     const berthB = await makeBerth({ portId: portB.id });
-    await makeReservation({
+    await makeTenancy({
       berthId: berthB.id,
       portId: portB.id,
       clientId: client.id,
@@ -340,7 +340,7 @@ describe('portal.service - getPortalUserReservations', () => {
       status: 'active',
     });
 
-    const resultA = await getPortalUserReservations(client.id, portA.id);
+    const resultA = await getPortalUserTenancies(client.id, portA.id);
     expect(resultA).toHaveLength(0);
   });
 
@@ -357,7 +357,7 @@ describe('portal.service - getPortalUserReservations', () => {
       portId: port.id,
       overrides: { mooringNumber: 'M-42' },
     });
-    await makeReservation({
+    await makeTenancy({
       berthId: berth.id,
       portId: port.id,
       clientId: client.id,
@@ -365,7 +365,7 @@ describe('portal.service - getPortalUserReservations', () => {
       status: 'active',
     });
 
-    const result = await getPortalUserReservations(client.id, port.id);
+    const result = await getPortalUserTenancies(client.id, port.id);
     expect(result).toHaveLength(1);
     expect(result[0]!.yachtName).toBe('Test Vessel');
     expect(result[0]!.berthMooringNumber).toBe('M-42');
diff --git a/tests/unit/validators.test.ts b/tests/unit/validators.test.ts
index 3a81b634..2c3e7374 100644
--- a/tests/unit/validators.test.ts
+++ b/tests/unit/validators.test.ts
@@ -8,7 +8,7 @@ import { createFieldSchema, updateFieldSchema } from '@/lib/validators/custom-fi
 import { createYachtSchema, transferOwnershipSchema } from '@/lib/validators/yachts';
 import { createCompanySchema } from '@/lib/validators/companies';
 import { addMembershipSchema } from '@/lib/validators/company-memberships';
-import { createPendingSchema } from '@/lib/validators/reservations';
+import { createPendingSchema } from '@/lib/validators/tenancies';
 
 // ─── Client schemas ───────────────────────────────────────────────────────────
 
diff --git a/tests/unit/webhook-event-map.test.ts b/tests/unit/webhook-event-map.test.ts
index eaa2c5b0..6bbf3a02 100644
--- a/tests/unit/webhook-event-map.test.ts
+++ b/tests/unit/webhook-event-map.test.ts
@@ -103,13 +103,13 @@ describe('new resource events (yachts, companies, memberships, reservations)', (
     );
   });
 
-  it('includes all berth reservation lifecycle events', () => {
+  it('includes all berth tenancy lifecycle events', () => {
     const events = new Set<string>(WEBHOOK_EVENTS);
     [
-      'berth_reservation.created',
-      'berth_reservation.activated',
-      'berth_reservation.ended',
-      'berth_reservation.cancelled',
+      'berth_tenancy.created',
+      'berth_tenancy.activated',
+      'berth_tenancy.ended',
+      'berth_tenancy.cancelled',
     ].forEach((e) => {
       expect(events.has(e)).toBe(true);
     });
@@ -121,9 +121,7 @@ describe('new resource events (yachts, companies, memberships, reservations)', (
     );
   });
 
-  it('berth_reservation:activated maps to berth_reservation.activated', () => {
-    expect(INTERNAL_TO_WEBHOOK_MAP['berth_reservation:activated']).toBe(
-      'berth_reservation.activated',
-    );
+  it('berth_tenancy:activated maps to berth_tenancy.activated', () => {
+    expect(INTERNAL_TO_WEBHOOK_MAP['berth_tenancy:activated']).toBe('berth_tenancy.activated');
   });
 });