The 27-slip Marina on Grand Portage Bay is located adjacent to Grand Portage Lodge & Casino and is owned and operated by the Grand Portage Band of the Chippewa. The Marina is centrally located on Lake Superior between Thunder Bay, Ontario and Grand Marais, Minnesota within a shallow, protected bay.
Open early May through October, the Marina provides services for fishing and boating. Michigan fishing licenses (required if fishing out of Isle Royale), slip rentals, ramp launching, landing facilities, gas and tackle sales are available.
Launch & Parking
Parking for car or truck per day $5
Parking with trailer per day $7.50
Boat launch $10
Summer launch pass $150
Per Night per Foot $1.50
Per Week per Foot $8
Per Month per Foot $20
Per Season per Foot $50
Marina Hours: 9:00 am – 5:00 pm daily (during season)
Marina will close for the season on October 15.
Call the Marina with inquiries: 218-475-2898.
Note: All rates are plus tax. Based on availability.