diff --git a/integration-tests/src/main/java/org/apache/polaris/service/it/test/PolarisRestCatalogIntegrationBase.java b/integration-tests/src/main/java/org/apache/polaris/service/it/test/PolarisRestCatalogIntegrationBase.java
index 2bf55cd7ed..c8400e5baf 100644
--- a/integration-tests/src/main/java/org/apache/polaris/service/it/test/PolarisRestCatalogIntegrationBase.java
+++ b/integration-tests/src/main/java/org/apache/polaris/service/it/test/PolarisRestCatalogIntegrationBase.java
@@ -64,6 +64,7 @@
 import org.apache.iceberg.exceptions.ForbiddenException;
 import org.apache.iceberg.exceptions.RESTException;
 import org.apache.iceberg.expressions.Expressions;
+import org.apache.iceberg.io.FileIO;
 import org.apache.iceberg.io.ResolvingFileIO;
 import org.apache.iceberg.rest.RESTCatalog;
 import org.apache.iceberg.rest.RESTUtil;
@@ -168,7 +169,7 @@ public abstract class PolarisRestCatalogIntegrationBase extends CatalogTests<RES
   };
 
   @Retention(RetentionPolicy.RUNTIME)
-  private @interface CatalogConfig {
+  public @interface CatalogConfig {
     Catalog.TypeEnum value() default Catalog.TypeEnum.INTERNAL;
 
     String[] properties() default {
@@ -189,6 +190,14 @@ String[] properties() default {
    */
   protected abstract StorageConfigInfo getStorageConfigInfo();
 
+  /**
+   * A hook for test sub-classes to initialize {@link FileIO} objects used by test cases thenselves
+   * for accessing test storage.
+   */
+  protected void initializeClientFileIO(FileIO fileIO) {
+    fileIO.initialize(Map.of());
+  }
+
   /**
    * Determine whether the test should be skipped based on the environment or configuration.
    *
@@ -614,7 +623,7 @@ public void testLoadTableWithAccessDelegationForExternalCatalogWithConfigDisable
             externalCatalogBase + "/ns1/my_table",
             Map.of());
     try (ResolvingFileIO resolvingFileIO = new ResolvingFileIO()) {
-      resolvingFileIO.initialize(Map.of());
+      initializeClientFileIO(resolvingFileIO);
       resolvingFileIO.setConf(new Configuration());
       String fileLocation = externalCatalogBase + "/ns1/my_table/metadata/v1.metadata.json";
       TableMetadataParser.write(tableMetadata, resolvingFileIO.newOutputFile(fileLocation));
@@ -649,7 +658,7 @@ public void testLoadTableWithoutAccessDelegationForExternalCatalogWithConfigDisa
             externalCatalogBase + "/ns1/my_table",
             Map.of());
     try (ResolvingFileIO resolvingFileIO = new ResolvingFileIO()) {
-      resolvingFileIO.initialize(Map.of());
+      initializeClientFileIO(resolvingFileIO);
       resolvingFileIO.setConf(new Configuration());
       String fileLocation = externalCatalogBase + "/ns1/my_table/metadata/v1.metadata.json";
       TableMetadataParser.write(tableMetadata, resolvingFileIO.newOutputFile(fileLocation));
@@ -683,7 +692,7 @@ public void testLoadTableWithAccessDelegationForExternalCatalogWithConfigEnabled
             externalCatalogBase + "/ns1/my_table",
             Map.of());
     try (ResolvingFileIO resolvingFileIO = new ResolvingFileIO()) {
-      resolvingFileIO.initialize(Map.of());
+      initializeClientFileIO(resolvingFileIO);
       resolvingFileIO.setConf(new Configuration());
       String fileLocation = externalCatalogBase + "/ns1/my_table/metadata/v1.metadata.json";
       TableMetadataParser.write(tableMetadata, resolvingFileIO.newOutputFile(fileLocation));
@@ -711,7 +720,7 @@ public void testLoadTableTwiceWithETag() {
             externalCatalogBase + "/ns1/my_table",
             Map.of());
     try (ResolvingFileIO resolvingFileIO = new ResolvingFileIO()) {
-      resolvingFileIO.initialize(Map.of());
+      initializeClientFileIO(resolvingFileIO);
       resolvingFileIO.setConf(new Configuration());
       String fileLocation = externalCatalogBase + "/ns1/my_table/metadata/v1.metadata.json";
       TableMetadataParser.write(tableMetadata, resolvingFileIO.newOutputFile(fileLocation));
@@ -755,7 +764,7 @@ public void testRegisterAndLoadTableWithReturnedETag() {
             externalCatalogBase + "/ns1/my_table",
             Map.of());
     try (ResolvingFileIO resolvingFileIO = new ResolvingFileIO()) {
-      resolvingFileIO.initialize(Map.of());
+      initializeClientFileIO(resolvingFileIO);
       resolvingFileIO.setConf(new Configuration());
       String fileLocation = externalCatalogBase + "/ns1/my_table/metadata/v1.metadata.json";
       TableMetadataParser.write(tableMetadata, resolvingFileIO.newOutputFile(fileLocation));
@@ -798,7 +807,7 @@ public void testCreateAndLoadTableWithReturnedEtag() {
             externalCatalogBase + "/ns1/my_table",
             Map.of());
     try (ResolvingFileIO resolvingFileIO = new ResolvingFileIO()) {
-      resolvingFileIO.initialize(Map.of());
+      initializeClientFileIO(resolvingFileIO);
       resolvingFileIO.setConf(new Configuration());
       String fileLocation = externalCatalogBase + "/ns1/my_table/metadata/v1.metadata.json";
       TableMetadataParser.write(tableMetadata, resolvingFileIO.newOutputFile(fileLocation));
diff --git a/runtime/service/src/intTest/java/org/apache/polaris/service/quarkus/it/QuarkusPolarisRestCatalogMinIOIT.java b/runtime/service/src/intTest/java/org/apache/polaris/service/quarkus/it/QuarkusPolarisRestCatalogMinIOIT.java
new file mode 100644
index 0000000000..5e13d7fbac
--- /dev/null
+++ b/runtime/service/src/intTest/java/org/apache/polaris/service/quarkus/it/QuarkusPolarisRestCatalogMinIOIT.java
@@ -0,0 +1,102 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.polaris.service.quarkus.it;
+
+import com.google.common.collect.ImmutableMap;
+import io.quarkus.test.junit.QuarkusIntegrationTest;
+import io.quarkus.test.junit.QuarkusTestProfile;
+import io.quarkus.test.junit.TestProfile;
+import java.net.URI;
+import java.util.List;
+import java.util.Map;
+import org.apache.iceberg.io.FileIO;
+import org.apache.polaris.core.admin.model.AwsStorageConfigInfo;
+import org.apache.polaris.core.admin.model.StorageConfigInfo;
+import org.apache.polaris.core.storage.StorageAccessProperty;
+import org.apache.polaris.service.it.ext.PolarisIntegrationTestExtension;
+import org.apache.polaris.service.it.test.PolarisRestCatalogIntegrationBase;
+import org.apache.polaris.test.minio.Minio;
+import org.apache.polaris.test.minio.MinioAccess;
+import org.apache.polaris.test.minio.MinioExtension;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.extension.ExtendWith;
+
+@QuarkusIntegrationTest
+@TestProfile(QuarkusPolarisRestCatalogMinIOIT.Profile.class)
+@ExtendWith(MinioExtension.class)
+@ExtendWith(PolarisIntegrationTestExtension.class)
+public class QuarkusPolarisRestCatalogMinIOIT extends PolarisRestCatalogIntegrationBase {
+
+  private static final String BUCKET_URI_PREFIX = "/minio-test-polaris";
+  private static final String MINIO_ACCESS_KEY = "test-ak-123-polaris";
+  private static final String MINIO_SECRET_KEY = "test-sk-123-polaris";
+
+  public static class Profile implements QuarkusTestProfile {
+
+    @Override
+    public Map<String, String> getConfigOverrides() {
+      return ImmutableMap.<String, String>builder()
+          .put("polaris.storage.aws.access-key", MINIO_ACCESS_KEY)
+          .put("polaris.storage.aws.secret-key", MINIO_SECRET_KEY)
+          .put("polaris.features.\"SKIP_CREDENTIAL_SUBSCOPING_INDIRECTION\"", "false")
+          .build();
+    }
+  }
+
+  private static URI storageBase;
+  private static String endpoint;
+
+  @BeforeAll
+  static void setup(
+      @Minio(accessKey = MINIO_ACCESS_KEY, secretKey = MINIO_SECRET_KEY) MinioAccess minioAccess) {
+    storageBase = minioAccess.s3BucketUri(BUCKET_URI_PREFIX);
+    endpoint = minioAccess.s3endpoint();
+  }
+
+  @Override
+  protected boolean shouldSkip() {
+    return false;
+  }
+
+  @Override
+  protected void initializeClientFileIO(FileIO fileIO) {
+    fileIO.initialize(
+        ImmutableMap.<String, String>builder()
+            .put(StorageAccessProperty.AWS_ENDPOINT.getPropertyName(), endpoint)
+            .put(StorageAccessProperty.AWS_PATH_STYLE_ACCESS.getPropertyName(), "true")
+            .put(StorageAccessProperty.AWS_KEY_ID.getPropertyName(), MINIO_ACCESS_KEY)
+            .put(StorageAccessProperty.AWS_SECRET_KEY.getPropertyName(), MINIO_SECRET_KEY)
+            .build());
+  }
+
+  @Override
+  protected StorageConfigInfo getStorageConfigInfo() {
+    AwsStorageConfigInfo.Builder storageConfig =
+        AwsStorageConfigInfo.builder()
+            .setRoleArn("arn:aws:iam::123456789012:role/polaris-test")
+            .setExternalId("externalId123")
+            .setUserArn("arn:aws:iam::123456789012:user/polaris-test")
+            .setStorageType(StorageConfigInfo.StorageTypeEnum.S3)
+            .setPathStyleAccess(true)
+            .setEndpoint(endpoint)
+            .setAllowedLocations(List.of(storageBase.toString()));
+
+    return storageConfig.build();
+  }
+}
diff --git a/runtime/service/src/intTest/java/org/apache/polaris/service/quarkus/it/QuarkusRestCatalogMinIoIT.java b/runtime/service/src/intTest/java/org/apache/polaris/service/quarkus/it/QuarkusRestCatalogMinIOSpecialIT.java
similarity index 96%
rename from runtime/service/src/intTest/java/org/apache/polaris/service/quarkus/it/QuarkusRestCatalogMinIoIT.java
rename to runtime/service/src/intTest/java/org/apache/polaris/service/quarkus/it/QuarkusRestCatalogMinIOSpecialIT.java
index 79c3751bf3..d75cf2d3a8 100644
--- a/runtime/service/src/intTest/java/org/apache/polaris/service/quarkus/it/QuarkusRestCatalogMinIoIT.java
+++ b/runtime/service/src/intTest/java/org/apache/polaris/service/quarkus/it/QuarkusRestCatalogMinIOSpecialIT.java
@@ -77,11 +77,16 @@
 import software.amazon.awssdk.services.s3.model.GetObjectRequest;
 import software.amazon.awssdk.services.s3.model.GetObjectResponse;
 
+/**
+ * These tests complement {@link QuarkusPolarisRestCatalogMinIOIT} to validate client-side access to
+ * MinIO storage via {@code FileIO} instances configured from catalog's {@code loadTable} responses
+ * with some S3-specific options.
+ */
 @QuarkusIntegrationTest
-@TestProfile(QuarkusRestCatalogMinIoIT.Profile.class)
+@TestProfile(QuarkusRestCatalogMinIOSpecialIT.Profile.class)
 @ExtendWith(MinioExtension.class)
 @ExtendWith(PolarisIntegrationTestExtension.class)
-public class QuarkusRestCatalogMinIoIT {
+public class QuarkusRestCatalogMinIOSpecialIT {
 
   private static final String BUCKET_URI_PREFIX = "/minio-test";
   private static final String MINIO_ACCESS_KEY = "test-ak-123";