diff --git a/packages/react-native/src/private/webapis/structuredClone/__tests__/structuredClone-itest.js b/packages/react-native/src/private/webapis/structuredClone/__tests__/structuredClone-itest.js
index 402e055048da..e8e7156c953d 100644
--- a/packages/react-native/src/private/webapis/structuredClone/__tests__/structuredClone-itest.js
+++ b/packages/react-native/src/private/webapis/structuredClone/__tests__/structuredClone-itest.js
@@ -142,6 +142,21 @@ describe('structuredClone', () => {
     expect(clone).toEqual(value);
   });
 
+  it('preserves holes in sparse arrays', () => {
+    const value = new Array<string>(3);
+    value[1] = 'foo';
+
+    const clone = structuredClone(value);
+
+    expect({
+      length: clone.length,
+      keys: Object.keys(clone),
+    }).toEqual({
+      length: 3,
+      keys: ['1'],
+    });
+  });
+
   it('clones maps', () => {
     const value = new Map([
       ['key1', 'value1'],
diff --git a/packages/react-native/src/private/webapis/structuredClone/structuredClone.js b/packages/react-native/src/private/webapis/structuredClone/structuredClone.js
index 89a7f90725be..4f37e26be9e4 100644
--- a/packages/react-native/src/private/webapis/structuredClone/structuredClone.js
+++ b/packages/react-native/src/private/webapis/structuredClone/structuredClone.js
@@ -67,7 +67,7 @@ function structuredCloneInternal<T>(value: T): T {
 
   // Handles arrays.
   if (Array.isArray(value)) {
-    const result = [];
+    const result = new Array<unknown>(value.length);
     memory.set(value, result);
 
     for (const key of Object.keys(value)) {