Located at the foot of the Dauphin Island Bridge, Dauphin Island Marina is situated conveniently between the Intracoastal Waterway and Mobile Bay. Both wet and dry slips are available at the new 235 slip marina. Dauphin Island Marina has all the amenities you need: From marine grade fuels and oil, clean restrooms and showers, boat cleaning and maintenance, a restaurant, and weekend or weekly townhome rentals.