Page header image of an ore ship on Lake Superior


It’s good to be a port city.

Seaport cities enjoy a special prominence worldwide. Thanks to the Great Lakes-St. Lawrence Seaway System, the Twin Ports of Duluth, Minnesota, and Superior, Wisconsin, rank among this special class. Ideas, cargo and opportunity flow to and from this Fresh Coast port as they have for more than a century. The Port of Duluth-Superior connects regional industry and production to the entire globe as Mid-America’s world port. The Duluth Seaway Port Authority is committed to sharing the port’s importance with the greater community through numerous initiatives that raise awareness of the maritime industry and its benefits.

Ore ship on Lake Superior with duluth port logo

Maritime Activities

Regional maritime industry is vital to northern Minnesota and Wisconsin economies. The Port Authority leads many initiatives to help enhance the social, environmental and economic well-being of the region.

Economic Impact Studies

The port contributes billions of dollars to the regional economy. The most recent economic impact studies provide a realistic assessment of those contributions, detailing the bi-national, national, state and provincial monetary effect of commercial maritime shipping throughout the Great Lakes-St. Lawrence Seaway region.
Ore Ship on Lake Superior
Ore ship on Lake Superior

Environment and Sustainability

Maritime shipping is the most environmentally efficient form of mass cargo transport, but there's always room for improvement. The Port Authority is committed to helping the industry further minimize its environmental footprint and protect air, land and water resources throughout the Great Lakes-St. Lawrence Seaway region.