Cook County and Surrounding Area Marinas, Minnesota 1    Grand Marais Recreation Area, Grand Marais        Activities: sailing, power boating, hiking, swimming, biking, canoeing and golf... 2    Grand Portage Marina, Grand Portage OTHER COUNTIES NEARBY Lake County Minnesota 3    Knife River Marina, Knife River        Activities: boating, fishing, sailing and power bo... 4    Silver Bay Marina, Silver Bay        Activities: fishing, hiking, swimming, biking, can...       Minnesota Marinas