
Fort Stevenson State Park is located on the northeastern shore of Lake Sakakawea and is home to two marinas, Garrison Bay and de Trobriand Bay.
Garrison Bay Marina
Garrison Bay, a deep-water marina on the west side of the park, has a floor elevation of 1790msl and is host to 61 electric dock slips ranging in size from 26 to 56 feet in length. There are also 4 jet ski docks. All slips are available on a seasonal basis, four of the slips are dedicated for transient use and any slips not rented for the season are also available for transient use on a monthly, weekly or daily basis. The marina supports a gas dock with premium gas only, sewage pump out services, rental boats, boat storage and canoe/kayak/SUP rental and storage services.
Marina Store
The concession store operates 7-days a week from Memorial Day to Labor Day and is stocked with ice cream, bait, tackle, clothing, ice, pop, camping gear, and ND products. The store also operates a grill and is open daily for breakfast, lunch, and dinner and has free WiFi.
de Trobriand Bay Marina
Located on the east side of the park and has a functional elevation range from 1828msl to 1854msl. This location can accommodate 44 electric slip sizes ranging from 26 to 40 feet and 4 buoyed moorings. All slips are available on a seasonal basis and any slips not rented for the season are also available for transient use on a monthly, weekly or daily basis. The marina supports showers, canoe/kayak/SUP storage, boat storage, soda vending machines, and a fish cleaning station.
General Information
Fort Stevenson Slip Rental Information
For questions concerning the marina or slip rentals, contact the park directly at (701) 337-5576 or email fssp@nd.gov.
Boat Ramps
Fort Stevenson State Park has two wide multilane concrete ramps one located at Garrison Bay and one at deTrobriand Bay that gives users access to Lake Sakakawea. Both ramps have a courtesy dock. Designated parking, a vault toilet, fish cleaning station, marina, and floating gas pump is located nearby.