Full-Service Marinas in East Hampton

Seacoast Enterprises Associates (S.E.A.) operates 4 well-equipped Marinas and 2 full-service boatyards on beautiful Three Mile Harbor. Located in East Hampton, New York, S.E.A. marinas offer boating destinations to get away, relax, and enjoy the Hampton’s premier power boating, sailing, and eco-tourism harbor, with Gardiner’s Bay and the world-famous coastline of Eastern Long Island just minutes from your slip.

Location is key

S.E.A. East Hampton marinas give you access to seasonal dockage, storage, transient moorings and transient dockage, two well-stocked marine ship stores, Valvtect gas and marine diesel fuels, and waterside dining. S.E.A.’s two full-service departments offer marine service and repairs for powerboats and sailboats with forklift and travel lift capacities of 40 tons. Specialized vessel maintenance and repairs are done by qualified and certified technicians and subcontractors. Enjoy the professional services and amenities we offer to have a safe, fun, life-long boating lifestyle. Three Mile Harbor, East Hampton, NY is the place to be during all of your boating seasons.

Click one of the following links to reserve your space for Dockage and Dry Rack or Storage.

Call 631-324-5666 (Harbor Marina) or 631-324-1320 (Three Mile Harbor Marina)

to discuss your boating needs.