diff --git a/pytest_tests/testsuites/conftest.py b/pytest_tests/testsuites/conftest.py
index 1be5d3c1..6705bb51 100644
--- a/pytest_tests/testsuites/conftest.py
+++ b/pytest_tests/testsuites/conftest.py
@@ -246,7 +246,8 @@ def versioning_status(request: pytest.FixtureRequest) -> VersioningStatus:
 
 @allure.step("Create/delete bucket")
 @pytest.fixture
-def bucket(s3_client: S3ClientWrapper, versioning_status: VersioningStatus):
+def bucket(s3_client: S3ClientWrapper, versioning_status: VersioningStatus, request: pytest.FixtureRequest):
+
     bucket_name = s3_client.create_bucket()
 
     if versioning_status:
@@ -254,20 +255,20 @@ def bucket(s3_client: S3ClientWrapper, versioning_status: VersioningStatus):
 
     yield bucket_name
 
-
-#    s3_helper.delete_bucket_with_objects(s3_client, bucket_name)
+    if "sanity" not in request.config.option.markexpr:
+        s3_helper.delete_bucket_with_objects(s3_client, bucket_name)
 
 
 @allure.step("Create two buckets")
 @pytest.fixture
-def two_buckets(s3_client: S3ClientWrapper):
+def two_buckets(s3_client: S3ClientWrapper, request: pytest.FixtureRequest):
     bucket_1 = s3_client.create_bucket()
     bucket_2 = s3_client.create_bucket()
     yield bucket_1, bucket_2
 
-
-#    for bucket_name in [bucket_1, bucket_2]:
-#        s3_helper.delete_bucket_with_objects(s3_client, bucket_name)
+    if "sanity" not in request.config.option.markexpr:
+        for bucket_name in [bucket_1, bucket_2]:
+            s3_helper.delete_bucket_with_objects(s3_client, bucket_name)
 
 
 @allure.step("[Autouse/Session] Check binary versions")
diff --git a/pytest_tests/testsuites/services/s3_gate/test_s3_ACL.py b/pytest_tests/testsuites/services/s3_gate/test_s3_ACL.py
index 7cb66749..6040aea0 100644
--- a/pytest_tests/testsuites/services/s3_gate/test_s3_ACL.py
+++ b/pytest_tests/testsuites/services/s3_gate/test_s3_ACL.py
@@ -6,15 +6,12 @@ from frostfs_testlib.storage.dataclasses.object_size import ObjectSize
 from frostfs_testlib.utils.file_utils import generate_file
 
 
-@pytest.mark.sanity
 @pytest.mark.acl
 @pytest.mark.s3_gate
 class TestS3GateACL:
     @allure.title("Object ACL (s3_client={s3_client})")
     @pytest.mark.parametrize("s3_client", [AwsCliClient], indirect=True)
-    def test_s3_object_ACL(
-        self, s3_client: S3ClientWrapper, bucket: str, simple_object_size: ObjectSize
-    ):
+    def test_s3_object_ACL(self, s3_client: S3ClientWrapper, bucket: str, simple_object_size: ObjectSize):
         file_path = generate_file(simple_object_size.value)
         file_name = s3_helper.object_key_from_file_path(file_path)
 
@@ -33,9 +30,7 @@ class TestS3GateACL:
             obj_acl = s3_client.get_object_acl(bucket, file_name)
             s3_helper.assert_s3_acl(acl_grants=obj_acl, permitted_users="CanonicalUser")
 
-        with allure.step(
-            "Put object with grant-read uri=http://acs.amazonaws.com/groups/global/AllUsers"
-        ):
+        with allure.step("Put object with grant-read uri=http://acs.amazonaws.com/groups/global/AllUsers"):
             s3_client.put_object_acl(
                 bucket,
                 file_name,
@@ -48,9 +43,7 @@ class TestS3GateACL:
     @pytest.mark.parametrize("s3_client", [AwsCliClient, Boto3ClientWrapper], indirect=True)
     def test_s3_bucket_ACL(self, s3_client: S3ClientWrapper):
         with allure.step("Create bucket with ACL = public-read-write"):
-            bucket = s3_client.create_bucket(
-                object_lock_enabled_for_bucket=True, acl="public-read-write"
-            )
+            bucket = s3_client.create_bucket(object_lock_enabled_for_bucket=True, acl="public-read-write")
             bucket_acl = s3_client.get_bucket_acl(bucket)
             s3_helper.assert_s3_acl(acl_grants=bucket_acl, permitted_users="AllUsers")
 
@@ -59,9 +52,7 @@ class TestS3GateACL:
             bucket_acl = s3_client.get_bucket_acl(bucket)
             s3_helper.assert_s3_acl(acl_grants=bucket_acl, permitted_users="CanonicalUser")
 
-        with allure.step(
-            "Change bucket acl to --grant-write uri=http://acs.amazonaws.com/groups/global/AllUsers"
-        ):
+        with allure.step("Change bucket acl to --grant-write uri=http://acs.amazonaws.com/groups/global/AllUsers"):
             s3_client.put_bucket_acl(
                 bucket,
                 grant_write="uri=http://acs.amazonaws.com/groups/global/AllUsers",
diff --git a/pytest_tests/testsuites/services/s3_gate/test_s3_bucket.py b/pytest_tests/testsuites/services/s3_gate/test_s3_bucket.py
index 8b9b42d1..beded527 100644
--- a/pytest_tests/testsuites/services/s3_gate/test_s3_bucket.py
+++ b/pytest_tests/testsuites/services/s3_gate/test_s3_bucket.py
@@ -8,7 +8,6 @@ from frostfs_testlib.storage.dataclasses.object_size import ObjectSize
 from frostfs_testlib.utils.file_utils import generate_file
 
 
-@pytest.mark.sanity
 @pytest.mark.s3_gate
 @pytest.mark.s3_gate_bucket
 class TestS3GateBucket:
diff --git a/pytest_tests/testsuites/services/s3_gate/test_s3_gate.py b/pytest_tests/testsuites/services/s3_gate/test_s3_gate.py
index 6cdc29d4..ce170470 100644
--- a/pytest_tests/testsuites/services/s3_gate/test_s3_gate.py
+++ b/pytest_tests/testsuites/services/s3_gate/test_s3_gate.py
@@ -23,6 +23,7 @@ logger = logging.getLogger("NeoLogger")
 
 
 @allure.link("https://github.com/TrueCloudLab/frostfs-s3-gw#frostfs-s3-gw", name="frostfs-s3-gateway")
+@pytest.mark.sanity
 @pytest.mark.s3_gate
 @pytest.mark.s3_gate_base
 class TestS3Gate:
diff --git a/pytest_tests/testsuites/services/s3_gate/test_s3_locking.py b/pytest_tests/testsuites/services/s3_gate/test_s3_locking.py
index c5b95777..9e1857b4 100644
--- a/pytest_tests/testsuites/services/s3_gate/test_s3_locking.py
+++ b/pytest_tests/testsuites/services/s3_gate/test_s3_locking.py
@@ -9,7 +9,6 @@ from frostfs_testlib.storage.dataclasses.object_size import ObjectSize
 from frostfs_testlib.utils.file_utils import generate_file, generate_file_with_content
 
 
-@pytest.mark.sanity
 @pytest.mark.s3_gate
 @pytest.mark.s3_gate_locking
 @pytest.mark.parametrize("version_id", [None, "second"])
diff --git a/pytest_tests/testsuites/services/s3_gate/test_s3_multipart.py b/pytest_tests/testsuites/services/s3_gate/test_s3_multipart.py
index 22c7f01e..12f1e93d 100644
--- a/pytest_tests/testsuites/services/s3_gate/test_s3_multipart.py
+++ b/pytest_tests/testsuites/services/s3_gate/test_s3_multipart.py
@@ -10,7 +10,6 @@ from frostfs_testlib.utils.file_utils import generate_file, get_file_hash, split
 PART_SIZE = 5 * 1024 * 1024
 
 
-@pytest.mark.sanity
 @pytest.mark.s3_gate
 @pytest.mark.s3_gate_multipart
 class TestS3GateMultipart(ClusterTestBase):
diff --git a/pytest_tests/testsuites/services/s3_gate/test_s3_object.py b/pytest_tests/testsuites/services/s3_gate/test_s3_object.py
index 49aeb815..8ed41b7e 100644
--- a/pytest_tests/testsuites/services/s3_gate/test_s3_object.py
+++ b/pytest_tests/testsuites/services/s3_gate/test_s3_object.py
@@ -17,7 +17,6 @@ from frostfs_testlib.utils import wallet_utils
 from frostfs_testlib.utils.file_utils import concat_files, generate_file, generate_file_with_content, get_file_hash
 
 
-@pytest.mark.sanity
 @pytest.mark.s3_gate
 @pytest.mark.s3_gate_object
 class TestS3GateObject:
diff --git a/pytest_tests/testsuites/services/s3_gate/test_s3_policy.py b/pytest_tests/testsuites/services/s3_gate/test_s3_policy.py
index 7d1ca840..387cdfa3 100644
--- a/pytest_tests/testsuites/services/s3_gate/test_s3_policy.py
+++ b/pytest_tests/testsuites/services/s3_gate/test_s3_policy.py
@@ -12,7 +12,6 @@ from frostfs_testlib.testing.test_control import expect_not_raises
 from frostfs_testlib.utils.file_utils import generate_file
 
 
-@pytest.mark.sanity
 @pytest.mark.s3_gate
 @pytest.mark.parametrize("s3_policy", ["pytest_tests/resources/files/policy.json"], indirect=True)
 class TestS3GatePolicy(ClusterTestBase):
diff --git a/pytest_tests/testsuites/services/s3_gate/test_s3_tagging.py b/pytest_tests/testsuites/services/s3_gate/test_s3_tagging.py
index ad8c0e0a..fb3f44e8 100644
--- a/pytest_tests/testsuites/services/s3_gate/test_s3_tagging.py
+++ b/pytest_tests/testsuites/services/s3_gate/test_s3_tagging.py
@@ -10,7 +10,6 @@ from frostfs_testlib.storage.dataclasses.object_size import ObjectSize
 from frostfs_testlib.utils.file_utils import generate_file
 
 
-@pytest.mark.sanity
 @pytest.mark.s3_gate
 @pytest.mark.s3_gate_tagging
 class TestS3GateTagging:
diff --git a/pytest_tests/testsuites/services/s3_gate/test_s3_versioning.py b/pytest_tests/testsuites/services/s3_gate/test_s3_versioning.py
index 2f894130..57fc3c05 100644
--- a/pytest_tests/testsuites/services/s3_gate/test_s3_versioning.py
+++ b/pytest_tests/testsuites/services/s3_gate/test_s3_versioning.py
@@ -6,7 +6,6 @@ from frostfs_testlib.storage.dataclasses.object_size import ObjectSize
 from frostfs_testlib.utils.file_utils import generate_file, generate_file_with_content
 
 
-@pytest.mark.sanity
 @pytest.mark.s3_gate
 @pytest.mark.s3_gate_versioning
 class TestS3GateVersioning: