diff --git a/app/components/map/useDraggableMap.ts b/app/components/map/useDraggableMap.ts
index 97a597f9..8bff1cc1 100644
--- a/app/components/map/useDraggableMap.ts
+++ b/app/components/map/useDraggableMap.ts
@@ -46,6 +46,29 @@ export type DraggableMap = {
 // Matches the legacy TraditionalController's isDragging() cooldown (mapper.js:1618-1646).
 const DRAG_END_COOLDOWN_MS = 500;
 
+// The user's last zoom level per map kind is persisted to localStorage so it survives reloads and
+// remounts (switching planets/entering star mode remounts the map, see app/components/menu/map.tsx).
+const zoomStorageKey = (kind: MapKind) => `tlecommunity.map.${kind}.zoom`;
+
+const readStoredZoom = (kind: MapKind): number | undefined => {
+  try {
+    const raw = window.localStorage.getItem(zoomStorageKey(kind));
+    if (raw === null) return undefined;
+    const parsed = Number(raw);
+    return Number.isFinite(parsed) ? parsed : undefined;
+  } catch {
+    return undefined;
+  }
+};
+
+const writeStoredZoom = (kind: MapKind, zoom: number): void => {
+  try {
+    window.localStorage.setItem(zoomStorageKey(kind), String(zoom));
+  } catch {
+    // Ignore - storage may be unavailable (private mode, quota); zoom just won't persist.
+  }
+};
+
 // Anything smaller than this is treated as a click, not a drag, so a slightly-jittery click isn't
 // swallowed as a drag-release.
 const DRAG_THRESHOLD_PX = 3;
@@ -70,7 +93,9 @@ export const useDraggableMap = ({ kind, initialZoom = 0 }: Options): DraggableMa
   // The public setter is the `setZoom` wrapper defined below (it clamps); this raw setter is
   // deliberately kept private, hence the non-standard name.
   // eslint-disable-next-line react/hook-use-state
-  const [zoom, setZoomState] = useState(() => clampZoom(kind, initialZoom));
+  const [zoom, setZoomState] = useState(() =>
+    clampZoom(kind, readStoredZoom(kind) ?? initialZoom)
+  );
   const [offsetPx, setOffsetPx] = useState<PixelPoint>({ x: 0, y: 0 });
   const [viewportSize, setViewportSize] = useState({ width: 0, height: 0 });
 
@@ -157,7 +182,11 @@ export const useDraggableMap = ({ kind, initialZoom = 0 }: Options): DraggableMa
   }, []);
 
   const setZoom = useCallback(
-    (nextZoom: number) => setZoomState(clampZoom(kind, nextZoom)),
+    (nextZoom: number) => {
+      const clamped = clampZoom(kind, nextZoom);
+      writeStoredZoom(kind, clamped);
+      setZoomState(clamped);
+    },
     [kind]
   );