Gulf Island Boat Sales & Service is a located on the off the Intercoastal Waterway in Boca Ciega Bay at Mariner's Cove Marina. The property features a 200 boat high and dry facility that can store up to a 42' foot vessel. With forklift capacity to lift a 20,000 lb vessel. Gulf Island Boat Sales and Mariner's Cove Marina can service all your marine needs. Gulf Island Service features a fully staffed parts and service department, servicing Mercury, Yahmaha, Suzuki, Evinrude, Mercruiser and Volvo.