Latest Past Events

Opening Day

Seacoast Enterprises Associates (SEA) is proud to announce the opening of the 2018 Boating Season on May 12th. All properties are fully staffed and will be open 7 days a week from 8:30am to 5pm. Please call our main offices at 631.324.5666 with any questions. Happy Boating from the SEA Team.

Boaters Safety Course

Breakwater Yacht Club

The U.S. Coast Guard Auxiliar Flotilla 014-18-02 will offer a boating safety course on March 3rd at the Breakwater Yacht Club in Sag Harbor. Course Topics include as introduction to boating, boating law, navigation and New York State requirements. The course fullfills the requirements to operate a personal watercraft. The cost of the course is […]


Transient Dockage Reservations Open as of March 1st 2018

Use our Dockwa System to book your 2018 Transient Dockage or Mooring Reservation. The traditional Boating season on Three Mile Harbor Runs from May 1st through October 31st. We look forward to seeing you this year.