Mau Marine, Inc Category: Marketplace and OutdoorLocation on Fairgrounds: Block "10"Home Location: Okoboji, IAPhone: 712-332-5626Website Variety of boats and pontoons, including and featuring our local Iowa built pontoon, Misty Harbor pontoons, as well as boats from Sea Ray, Monterey, Tige, Chris Craft, Sea Doo, and Boston Whaler; water sports gear and accessories by Ronix and CWB.