Marina Overview : The Gangplank Marina docks can accommodate vessels to 125 feet in length with a beam of 32 feet. In-slip amenities include Telephone, CATV, and Electrical Power (50 Amp 125/250 Volts as well as 100 Amp single phase, split phase and three phase at some locations). Marina services include ice, showers, laundry facilities, dock carts, winter deicing systems for docks and piers,...