Turtle Cove Beach is located in Montauk, United States, on the eastern tip of Long Island. The beach stretches for approximately 500 feet and features soft, white sand. activities available at the beach include swimming, sunbathing, and beachcombing. Amenities at Turtle Cove Beach include bathroom access, lifeguards on duty during the summer season, and dogs are allowed on the beach but must be leashed at all times.