Open Water Marine | Boat Repair Mandan | Boat Dealer in Mandan ND

Open Water Marine is North Dakota’s trusted full-service boat dealership in Mandan, offering premium boat sales, rv rentals, marine repairs, winter storage, financing, and genuine boat parts. Whether you’re looking for new or used boats, expert propeller repair, fiberglass restoration, aluminum boat repair, or seasonal maintenance, Open Water Marine delivers reliable service backed by experienced technicians and leading marine brands. Serving Mandan, Bismarck, and surrounding North Dakota communities, the team is committed to helping boat owners enjoy safe, worry-free adventures on the water with professional support, quality craftsmanship, and exceptional customer care from purchase through long-term ownership.