Superior, WI, and Duluth, MN, share the largest and busiest harbor on the Great Lakes. This is the farthest-inland major bulk-cargo port in North America, handling an average of 38 million short tons of cargo and 1,000 vessel visits each year.
Along the inner harbor the commercial docks facilitate the shipping of mainly iron ore (taconite), coal and limestone and cement, grain, salt, petroleum, wood pulp and wind turbine components.
Plan your boating trip on the Superior Harbor, WI & Duluth, MN. Browse marinas, dockage, service yards, and navigation alerts.
View More Information to Plan Your Boating Trip In The Explorer.
The Waterway Guide Team has gained extensive boating knowledge over the years, and now we are sharing all of the tips, skills and tools we’ve picked up along the way!