diff --git a/docs/RELEASE-NOTES.md b/docs/RELEASE-NOTES.md
index 388cf2b..2266cad 100644
--- a/docs/RELEASE-NOTES.md
+++ b/docs/RELEASE-NOTES.md
@@ -21,6 +21,7 @@
 - enabledVessels 토글 시 폴리곤 + 중심경로 동시 재계산
 
 ### 수정
+- 이름 기반 레이어 항상 ON 고정 + 최상위 z-index (다른 모델에 가려지지 않음)
 - Prediction API DB 접속 context manager 누락
 - Prediction proxy rewrite 경로 불일치 (/api/prediction → /api)
 - nginx prediction API 라우팅 추가
diff --git a/frontend/src/components/korea/CorrelationPanel.tsx b/frontend/src/components/korea/CorrelationPanel.tsx
index 709bf0a..66ad9e4 100644
--- a/frontend/src/components/korea/CorrelationPanel.tsx
+++ b/frontend/src/components/korea/CorrelationPanel.tsx
@@ -236,18 +236,13 @@ const CorrelationPanel = ({
         <label style={{ display: 'flex', alignItems: 'center', gap: 4, fontSize: 9, cursor: 'pointer', marginBottom: 3 }}>
           <input
             type="checkbox"
-            checked={enabledModels.has('identity')}
-            onChange={() => onEnabledModelsChange(prev => {
-              const next = new Set(prev);
-              if (next.has('identity')) next.delete('identity');
-              else next.add('identity');
-              return next;
-            })}
-            style={{ accentColor: '#f97316', width: 11, height: 11 }}
-            title="이름 기반"
+            checked={true}
+            disabled
+            style={{ accentColor: '#f97316', width: 11, height: 11, opacity: 0.6 }}
+            title="이름 기반 (항상 ON)"
           />
           <span style={{ width: 8, height: 8, borderRadius: '50%', background: '#f97316', flexShrink: 0 }} />
-          <span style={{ color: '#e2e8f0' }}>이름 기반</span>
+          <span style={{ color: '#94a3b8' }}>이름 기반 (고정)</span>
           <span style={{ color: '#64748b', marginLeft: 'auto' }}>{memberCount}</span>
         </label>
         {correlationLoading && <div style={{ fontSize: 8, color: '#64748b' }}>로딩...</div>}
diff --git a/frontend/src/hooks/useGearReplayLayers.ts b/frontend/src/hooks/useGearReplayLayers.ts
index 1ad21bf..d121090 100644
--- a/frontend/src/hooks/useGearReplayLayers.ts
+++ b/frontend/src/hooks/useGearReplayLayers.ts
@@ -144,8 +144,8 @@ export function useGearReplayLayers(
 
     // ── "항적" 토글: 전체 24h 경로 PathLayer (정적 배경) ─────────────
     if (showTrails) {
-      // 멤버 전체 항적 (identity)
-      if (enabledModels.has('identity') && memberTripsData.length > 0) {
+      // 멤버 전체 항적 (identity — 항상 ON)
+      if (memberTripsData.length > 0) {
         for (const trip of memberTripsData) {
           if (trip.path.length < 2) continue;
           layers.push(new PathLayer({
@@ -179,41 +179,7 @@ export function useGearReplayLayers(
       }
     }
 
-    // 1. Identity 모델: TripsLayer + 폴리곤 + 마커 (항상 ON)
-    if (enabledModels.has('identity')) {
-      // TripsLayer — member trails (GPU animated, 항상 ON, 고채도)
-      if (memberTripsData.length > 0) {
-        layers.push(new TripsLayer({
-          id: 'replay-member-trails',
-          data: memberTripsData,
-          getPath: d => d.path,
-          getTimestamps: d => d.timestamps,
-          getColor: [255, 200, 60, 220], // 고채도 노란색 (항적보다 밝게)
-          widthMinPixels: 2,
-          fadeTrail: true,
-          trailLength: TRAIL_LENGTH_MS,
-          currentTime: ct - st,
-        }));
-      }
-
-      // Current animated polygon (convex hull of members)
-      const polygon = buildInterpPolygon(memberPts);
-      if (polygon) {
-        layers.push(new PolygonLayer({
-          id: 'replay-polygon',
-          data: [{ polygon: polygon.coordinates }],
-          getPolygon: (d: { polygon: number[][][] }) => d.polygon,
-          getFillColor: isStale ? [148, 163, 184, 30] : [251, 191, 36, 40],
-          getLineColor: isStale ? [148, 163, 184, 100] : [251, 191, 36, 180],
-          getLineWidth: isStale ? 1 : 2,
-          lineWidthMinPixels: 1,
-          filled: true,
-          stroked: true,
-        }));
-      }
-    }
-
-    // 2. Correlation TripsLayer (GPU animated, 항상 ON, 고채도)
+    // 1. Correlation TripsLayer (GPU animated, 항상 ON, 고채도)
     if (correlationTripsData.length > 0) {
       const activeMmsis = new Set<string>();
       for (const [mn, items] of correlationByModel) {
@@ -238,22 +204,10 @@ export function useGearReplayLayers(
       }
     }
 
-    // 4. Current center point
-    layers.push(new ScatterplotLayer({
-      id: 'replay-center',
-      data: [{ position: [frame.centerLon, frame.centerLat] as [number, number] }],
-      getPosition: (d: { position: [number, number] }) => d.position,
-      getFillColor: isStale ? [249, 115, 22, 255] : [239, 68, 68, 255],
-      getRadius: 200,
-      radiusUnits: 'meters',
-      radiusMinPixels: 7,
-      stroked: true,
-      getLineColor: [255, 255, 255, 255],
-      lineWidthMinPixels: 2,
-    }));
+    // (identity 레이어는 최하단 — 최상위 z-index로 이동됨)
 
-    // 5. Member position markers (IconLayer, identity 모델 활성 시만)
-    if (members.length > 0 && enabledModels.has('identity')) {
+    // 3. Member position markers (IconLayer, identity — 항상 ON, placeholder)
+    if (members.length > 0) {
       layers.push(new IconLayer<MemberPosition>({
         id: 'replay-members',
         data: members,
@@ -501,7 +455,7 @@ export function useGearReplayLayers(
       }
       if (extraPts.length === 0) continue;
 
-      const basePts = enabledModels.has('identity') ? memberPts : [];
+      const basePts = memberPts; // identity 항상 ON
       const opPolygon = buildInterpPolygon([...basePts, ...extraPts]);
       if (!opPolygon) continue;
 
@@ -579,12 +533,11 @@ export function useGearReplayLayers(
       const badgeTargets = new Map<string, { lon: number; lat: number; models: Set<string> }>();
 
       // Identity model: group members
-      if (enabledModels.has('identity')) {
-        for (const m of members) {
-          const e = badgeTargets.get(m.mmsi) ?? { lon: m.lon, lat: m.lat, models: new Set<string>() };
-          e.lon = m.lon; e.lat = m.lat; e.models.add('identity');
-          badgeTargets.set(m.mmsi, e);
-        }
+      // Identity — 항상 ON
+      for (const m of members) {
+        const e = badgeTargets.get(m.mmsi) ?? { lon: m.lon, lat: m.lat, models: new Set<string>() };
+        e.lon = m.lon; e.lat = m.lat; e.models.add('identity');
+        badgeTargets.set(m.mmsi, e);
       }
 
       // Correlation models
@@ -627,10 +580,49 @@ export function useGearReplayLayers(
       }
     }
 
-    // 디버그: 연관 선박 렌더링 상태
-    if (corrPositions.length > 0 && !debugLoggedRef.current) {
-      console.log('[GearReplay] corrPositions:', corrPositions.length, 'operationalPolygons:', layers.filter(l => l.id?.toString().startsWith('replay-op-')).length);
+    // ══ Identity 레이어 (최상위 z-index — 항상 ON, 다른 모델 위에 표시) ══
+    // 폴리곤
+    const identityPolygon = buildInterpPolygon(memberPts);
+    if (identityPolygon) {
+      layers.push(new PolygonLayer({
+        id: 'replay-identity-polygon',
+        data: [{ polygon: identityPolygon.coordinates }],
+        getPolygon: (d: { polygon: number[][][] }) => d.polygon,
+        getFillColor: isStale ? [148, 163, 184, 30] : [251, 191, 36, 40],
+        getLineColor: isStale ? [148, 163, 184, 100] : [251, 191, 36, 180],
+        getLineWidth: isStale ? 1 : 2,
+        lineWidthMinPixels: 1,
+        filled: true,
+        stroked: true,
+      }));
     }
+    // TripsLayer (멤버 트레일)
+    if (memberTripsData.length > 0) {
+      layers.push(new TripsLayer({
+        id: 'replay-identity-trails',
+        data: memberTripsData,
+        getPath: d => d.path,
+        getTimestamps: d => d.timestamps,
+        getColor: [255, 200, 60, 220],
+        widthMinPixels: 2,
+        fadeTrail: true,
+        trailLength: TRAIL_LENGTH_MS,
+        currentTime: ct - st,
+      }));
+    }
+    // 센터 포인트
+    layers.push(new ScatterplotLayer({
+      id: 'replay-identity-center',
+      data: [{ position: [frame.centerLon, frame.centerLat] as [number, number] }],
+      getPosition: (d: { position: [number, number] }) => d.position,
+      getFillColor: isStale ? [249, 115, 22, 255] : [239, 68, 68, 255],
+      getRadius: 200,
+      radiusUnits: 'meters',
+      radiusMinPixels: 7,
+      stroked: true,
+      getLineColor: [255, 255, 255, 255],
+      lineWidthMinPixels: 2,
+    }));
 
     replayLayerRef.current = layers;
     requestRender();