Hidden Cove Marina is a hidden gem for boating enthusiasts. Those interested in sailing lessons, sailboat rentals, charters or clothing should visit Sag Harbor Sailing at sailsagharbor.com to learn more. Kayak rentals and fly fishing options are also available. Hidden Cove Marina offers the ability to become a member of Hampton Boat Club, which can add a whole new dimension to a summer in the Hamptons without the hassles and commitment associated with owning your own boat.