Karl Tank Boatyard & Marine Supplies is locally owned and operated shop located in Lindenhurst, NY. It is a place for customers to store their boats and also offers a place to pick up boating supplies. Products offered include safety equipment, GPS and radar devices, and various other supplies and equipment that you might need for your boat. Stop in today, the staff at Karl Tank is extremely friendly and knowledgable and will help you find whatever you are looking for.