Coecles Harbor Marina & Boatyard is the premier full-service marina located on Shelter Island, one of the most unspoiled destinations on Long Island’s East End. Since 1973, Coecles Harbor Marina has maintained the highest reputation for its outstanding marina facilities, repair services, restoration work and comprehensive seasonal maintenance. Our full-time highly skilled craftsmen are available to take on any job. We work closely with each owner to ensure their expectations are met and we approach each project with honesty, integrity, and professionalism. Second and third generation members of the Needham family continue to oversee daily operations staying connected to the industry's pulse through participation in trade organizations, off-site training and seminars.