Wards Island Wards Island and sister Tenkenas at Wards Island during their brief stint as ferries Type: artificial reef, ferry, USA Built: 1929, Electric Boat Company, Groton CT USA Specs: ( 101 x 32 ft ) Sunk: Friday August 10, 2018 - Hempstead Artificial Reef Depth: GPS: 40°30.994' -73°32.955' More: Wards Island ...