diff --git a/localstack/services/s3/utils.py b/localstack/services/s3/utils.py
index 3e511b91ab715..fbb486395c8d3 100644
--- a/localstack/services/s3/utils.py
+++ b/localstack/services/s3/utils.py
@@ -8,6 +8,7 @@
 from botocore.utils import InvalidArnException
 from moto.s3.exceptions import MissingBucket
 from moto.s3.models import FakeBucket, FakeDeleteMarker, FakeKey
+from moto.s3.utils import clean_key_name
 
 from localstack.aws.api import CommonServiceException, ServiceException
 from localstack.aws.api.s3 import (
@@ -162,10 +163,11 @@ def get_key_from_moto_bucket(
 ) -> FakeKey | FakeDeleteMarker:
     # TODO: rework the delete marker handling
     # we basically need to re-implement moto `get_object` to account for FakeDeleteMarker
+    clean_key = clean_key_name(key)
     if version_id is None:
-        fake_key = moto_bucket.keys.get(key)
+        fake_key = moto_bucket.keys.get(clean_key)
     else:
-        for key_version in moto_bucket.keys.getlist(key, default=[]):
+        for key_version in moto_bucket.keys.getlist(clean_key, default=[]):
             if str(key_version.version_id) == str(version_id):
                 fake_key = key_version
                 break
diff --git a/tests/integration/s3/test_s3.py b/tests/integration/s3/test_s3.py
index 481e33510dae1..c47acfbeefaad 100644
--- a/tests/integration/s3/test_s3.py
+++ b/tests/integration/s3/test_s3.py
@@ -626,6 +626,22 @@ def test_upload_file_multipart(self, s3_bucket, tmpdir, snapshot, aws_client):
         assert obj["Body"].read() == data, f"body did not contain expected data {obj}"
         snapshot.match("get_object", obj)
 
+    @pytest.mark.aws_validated
+    @pytest.mark.skip_snapshot_verify(paths=["$..ServerSideEncryption"])
+    @pytest.mark.parametrize("key", ["file%2Fname", "test@key/"])
+    def test_put_get_object_special_character(self, s3_bucket, aws_client, snapshot, key):
+        snapshot.add_transformer(snapshot.transform.s3_api())
+        resp = aws_client.s3.put_object(Bucket=s3_bucket, Key=key, Body=b"test")
+        snapshot.match("put-object-special-char", resp)
+        resp = aws_client.s3.list_objects_v2(Bucket=s3_bucket)
+        # FIXME: Moto will by default clean up key name, but they will return the cleaned up key name in ListObject...
+        if "%" not in key or is_aws_cloud():
+            snapshot.match("list-object-special-char", resp)
+        resp = aws_client.s3.get_object(Bucket=s3_bucket, Key=key)
+        snapshot.match("get-object-special-char", resp)
+        resp = aws_client.s3.delete_object(Bucket=s3_bucket, Key=key)
+        snapshot.match("del-object-special-char", resp)
+
     @pytest.mark.aws_validated
     @pytest.mark.parametrize("delimiter", ["/", "%2F"])
     def test_list_objects_with_prefix(self, s3_create_bucket, delimiter, snapshot, aws_client):
diff --git a/tests/integration/s3/test_s3.snapshot.json b/tests/integration/s3/test_s3.snapshot.json
index 320922c540304..8ca9a5cc4b00b 100644
--- a/tests/integration/s3/test_s3.snapshot.json
+++ b/tests/integration/s3/test_s3.snapshot.json
@@ -7414,5 +7414,113 @@
         }
       }
     }
+  },
+  "tests/integration/s3/test_s3.py::TestS3::test_put_get_object_special_character[file%2Fname]": {
+    "recorded-date": "09-06-2023, 17:15:35",
+    "recorded-content": {
+      "put-object-special-char": {
+        "ETag": "\"098f6bcd4621d373cade4e832627b4f6\"",
+        "ServerSideEncryption": "AES256",
+        "ResponseMetadata": {
+          "HTTPHeaders": {},
+          "HTTPStatusCode": 200
+        }
+      },
+      "list-object-special-char": {
+        "Contents": [
+          {
+            "ETag": "\"098f6bcd4621d373cade4e832627b4f6\"",
+            "Key": "file%2Fname",
+            "LastModified": "datetime",
+            "Size": 4,
+            "StorageClass": "STANDARD"
+          }
+        ],
+        "EncodingType": "url",
+        "IsTruncated": false,
+        "KeyCount": 1,
+        "MaxKeys": 1000,
+        "Name": "<bucket-name:1>",
+        "Prefix": "",
+        "ResponseMetadata": {
+          "HTTPHeaders": {},
+          "HTTPStatusCode": 200
+        }
+      },
+      "get-object-special-char": {
+        "AcceptRanges": "bytes",
+        "Body": "test",
+        "ContentLength": 4,
+        "ContentType": "binary/octet-stream",
+        "ETag": "\"098f6bcd4621d373cade4e832627b4f6\"",
+        "LastModified": "datetime",
+        "Metadata": {},
+        "ServerSideEncryption": "AES256",
+        "ResponseMetadata": {
+          "HTTPHeaders": {},
+          "HTTPStatusCode": 200
+        }
+      },
+      "del-object-special-char": {
+        "ResponseMetadata": {
+          "HTTPHeaders": {},
+          "HTTPStatusCode": 204
+        }
+      }
+    }
+  },
+  "tests/integration/s3/test_s3.py::TestS3::test_put_get_object_special_character[test@key/]": {
+    "recorded-date": "09-06-2023, 17:15:39",
+    "recorded-content": {
+      "put-object-special-char": {
+        "ETag": "\"098f6bcd4621d373cade4e832627b4f6\"",
+        "ServerSideEncryption": "AES256",
+        "ResponseMetadata": {
+          "HTTPHeaders": {},
+          "HTTPStatusCode": 200
+        }
+      },
+      "list-object-special-char": {
+        "Contents": [
+          {
+            "ETag": "\"098f6bcd4621d373cade4e832627b4f6\"",
+            "Key": "test@key/",
+            "LastModified": "datetime",
+            "Size": 4,
+            "StorageClass": "STANDARD"
+          }
+        ],
+        "EncodingType": "url",
+        "IsTruncated": false,
+        "KeyCount": 1,
+        "MaxKeys": 1000,
+        "Name": "<bucket-name:1>",
+        "Prefix": "",
+        "ResponseMetadata": {
+          "HTTPHeaders": {},
+          "HTTPStatusCode": 200
+        }
+      },
+      "get-object-special-char": {
+        "AcceptRanges": "bytes",
+        "Body": "test",
+        "ContentLength": 4,
+        "ContentType": "binary/octet-stream",
+        "ETag": "\"098f6bcd4621d373cade4e832627b4f6\"",
+        "LastModified": "datetime",
+        "Metadata": {},
+        "ServerSideEncryption": "AES256",
+        "ResponseMetadata": {
+          "HTTPHeaders": {},
+          "HTTPStatusCode": 200
+        }
+      },
+      "del-object-special-char": {
+        "ResponseMetadata": {
+          "HTTPHeaders": {},
+          "HTTPStatusCode": 204
+        }
+      }
+    }
   }
 }