diff --git a/packages/@aws-cdk/aws-rds/lib/cluster.ts b/packages/@aws-cdk/aws-rds/lib/cluster.ts
index b928e34a74962..faedab239f82f 100644
--- a/packages/@aws-cdk/aws-rds/lib/cluster.ts
+++ b/packages/@aws-cdk/aws-rds/lib/cluster.ts
@@ -298,8 +298,6 @@ abstract class DatabaseClusterNew extends DatabaseClusterBase {
    * Never undefined.
    */
   public readonly engine?: IClusterEngine;
-  public readonly instanceIdentifiers: string[] = [];
-  public readonly instanceEndpoints: Endpoint[] = [];
 
   protected readonly newCfnProps: CfnDBClusterProps;
   protected readonly securityGroups: ec2.ISecurityGroup[];
@@ -481,6 +479,8 @@ export class DatabaseCluster extends DatabaseClusterNew {
   public readonly clusterEndpoint: Endpoint;
   public readonly clusterReadEndpoint: Endpoint;
   public readonly connections: ec2.Connections;
+  public readonly instanceIdentifiers: string[];
+  public readonly instanceEndpoints: Endpoint[];
 
   /**
    * The secret attached to this cluster
@@ -533,7 +533,9 @@ export class DatabaseCluster extends DatabaseClusterNew {
     }
 
     setLogRetention(this, props);
-    createInstances(this, props, this.subnetGroup);
+    const createdInstances = createInstances(this, props, this.subnetGroup);
+    this.instanceIdentifiers = createdInstances.instanceIdentifiers;
+    this.instanceEndpoints = createdInstances.instanceEndpoints;
   }
 
   /**
@@ -602,6 +604,8 @@ export class DatabaseClusterFromSnapshot extends DatabaseClusterNew {
   public readonly clusterEndpoint: Endpoint;
   public readonly clusterReadEndpoint: Endpoint;
   public readonly connections: ec2.Connections;
+  public readonly instanceIdentifiers: string[];
+  public readonly instanceEndpoints: Endpoint[];
 
   constructor(scope: Construct, id: string, props: DatabaseClusterFromSnapshotProps) {
     super(scope, id, props);
@@ -625,7 +629,9 @@ export class DatabaseClusterFromSnapshot extends DatabaseClusterNew {
     cluster.applyRemovalPolicy(props.removalPolicy ?? RemovalPolicy.SNAPSHOT);
 
     setLogRetention(this, props);
-    createInstances(this, props, this.subnetGroup);
+    const createdInstances = createInstances(this, props, this.subnetGroup);
+    this.instanceIdentifiers = createdInstances.instanceIdentifiers;
+    this.instanceEndpoints = createdInstances.instanceEndpoints;
   }
 }
 
diff --git a/packages/@aws-cdk/aws-rds/test/cluster.test.ts b/packages/@aws-cdk/aws-rds/test/cluster.test.ts
index 25400f0b17964..9c743b811c818 100644
--- a/packages/@aws-cdk/aws-rds/test/cluster.test.ts
+++ b/packages/@aws-cdk/aws-rds/test/cluster.test.ts
@@ -76,7 +76,7 @@ describe('cluster', () => {
     const vpc = new ec2.Vpc(stack, 'VPC');
 
     // WHEN
-    new DatabaseCluster(stack, 'Database', {
+    const cluster = new DatabaseCluster(stack, 'Database', {
       engine: DatabaseClusterEngine.AURORA,
       instances: 1,
       credentials: {
@@ -97,6 +97,28 @@ describe('cluster', () => {
       MasterUserPassword: 'tooshort',
       VpcSecurityGroupIds: [{ 'Fn::GetAtt': ['DatabaseSecurityGroup5C91FDCB', 'GroupId'] }],
     });
+
+    expect(cluster.instanceIdentifiers).toHaveLength(1);
+    expect(stack.resolve(cluster.instanceIdentifiers[0])).toEqual({
+      Ref: 'DatabaseInstance1844F58FD',
+    });
+
+    expect(cluster.instanceEndpoints).toHaveLength(1);
+    expect(stack.resolve(cluster.instanceEndpoints[0])).toEqual({
+      hostname: {
+        'Fn::GetAtt': ['DatabaseInstance1844F58FD', 'Endpoint.Address'],
+      },
+      port: {
+        'Fn::GetAtt': ['DatabaseB269D8BB', 'Endpoint.Port'],
+      },
+      socketAddress: {
+        'Fn::Join': ['', [
+          { 'Fn::GetAtt': ['DatabaseInstance1844F58FD', 'Endpoint.Address'] },
+          ':',
+          { 'Fn::GetAtt': ['DatabaseB269D8BB', 'Endpoint.Port'] },
+        ]],
+      },
+    });
   });
 
   test('can create a cluster with imported vpc and security group', () => {
@@ -1635,7 +1657,7 @@ describe('cluster', () => {
     const vpc = new ec2.Vpc(stack, 'VPC');
 
     // WHEN
-    new DatabaseClusterFromSnapshot(stack, 'Database', {
+    const cluster = new DatabaseClusterFromSnapshot(stack, 'Database', {
       engine: DatabaseClusterEngine.aurora({ version: AuroraEngineVersion.VER_1_22_2 }),
       instanceProps: {
         vpc,
@@ -1659,6 +1681,28 @@ describe('cluster', () => {
     }, ResourcePart.CompleteDefinition);
 
     expect(stack).toCountResources('AWS::RDS::DBInstance', 2);
+
+    expect(cluster.instanceIdentifiers).toHaveLength(2);
+    expect(stack.resolve(cluster.instanceIdentifiers[0])).toEqual({
+      Ref: 'DatabaseInstance1844F58FD',
+    });
+
+    expect(cluster.instanceEndpoints).toHaveLength(2);
+    expect(stack.resolve(cluster.instanceEndpoints[0])).toEqual({
+      hostname: {
+        'Fn::GetAtt': ['DatabaseInstance1844F58FD', 'Endpoint.Address'],
+      },
+      port: {
+        'Fn::GetAtt': ['DatabaseB269D8BB', 'Endpoint.Port'],
+      },
+      socketAddress: {
+        'Fn::Join': ['', [
+          { 'Fn::GetAtt': ['DatabaseInstance1844F58FD', 'Endpoint.Address'] },
+          ':',
+          { 'Fn::GetAtt': ['DatabaseB269D8BB', 'Endpoint.Port'] },
+        ]],
+      },
+    });
   });
 
   test('reuse an existing subnet group', () => {