Dauphin Island Marina is a full service marina located near the Gulf of Mexico Intracoastal Waterway, at the mouth of Mobile Bay. Transient boats are welcome and the fuel dock opens early. Dauphin Island Marina Features: Wet Slips Dry Storage Diesel , Gasoline fuel & Oil Ships' Store Fishing Bait, Tackle & Advice Charter Boat Fleet Fishing Tournaments Engine Repair Towing & Assistance Yacht Brokerage