ABOUT US MARINAS SERVICE SLIP RENTALS SHOP SALES STORAGE CONTACT US East Hampton Slip Rentals Seacoast Enterprises Associates operates four unique and beautifully maintained marinas on Three Mile Harbor. Seasonal and short term transient slips are available at each of our East Hampton marina facilities. Combined we offer over 280 in water slips and 20 dry rack spaces. Deep water Three Mile Harbor Transient Moorings are also available. Our experienced staff, consisting of marine professionals is available 7 days a week (in season) to ensure personal attention to your Hamptons Boating Requirements. Please contact our reservations center today at 631/324-5666 to reserve your Hamptons Boat Slip today. Four Full Service Marinas Two Working Boat Yards 280 protected deep water boat slips Dry Rack Slips with scheduled launching 120 volt 30 amp and 120/240 Volt 50 Amp service Security cameras Secure upland storage available for boats, trailers, vehicles and RV’s Deck / Bar-B-Q area for families Easy access to summer events and activities Deep Water Transient Moorings Sport Fishing, Sailing, Wake Boarding and Water Skiing Best Hamptons Boat Slips Visit The Springs and the historic Villages of East Hampton and Amagansett Slips & Dry Rack (Download, complete and return all PDF forms by email or fax) 2022 Seasonal Boating Slip and Dry Rack Reservation Form (PDF) (PDF) 2021 Transient Slip or Mooring Reservations Form (PDF) (Download, complete and return all PDF forms by email or fax) Storage (Download, complete and return all PDF forms by email or fax) 2021 Summer Dry Storage (PDF) 2021 Winter Storage Captain’s Letter (PDF) 2021 Winter Storage Rates(PDF) 2021 Sailboat Annual Storage and Dockage Agreement (PDF) (PDF) 2021 Powerboat Annual Storage and Dockage Agreement(PDF) 2021 Powerboat Winter Storage Agreement (PDF) 2021 Sailboat Winter Storage Agreement (PDF) 2021 Winter Dockage Agreement (PDF) 2021 Winterization, Service, Repair and Rates Form (PDF) (Download, complete and return all PDF forms by Email or Fax) SEA TRANSIENT RESERVATIONS CLICK HERE FOR TRANSIENT MOORINGS AND DOCKAGE IN THREE MILE HARBOR, EAST HAMPTON, NY (Includes open transient space at Halsey’s Marina, Gardiner’s Marina, Three Mile Harbor Marina, and Harbor Marina of East Hampton) Book Now Transient Dockage CALL US! 423 Three Mile Harbor Hog Creek Rd, East Hampton, NY 11937 SEACOAST ENTERPRISES ASSOCIATES, INC • 423 Three Mile Harbor Hog Creek Rd, East Hampton, NY 11937 • TEL 631-324-5666 • FAX 631-324-3366