Overview
The Port of Duluth-Superior is the largest port on the Great Lakes and the farthest-inland port ships can reach from the Atlantic Ocean.
History
The port grew in the late 1800s shipping iron ore, grain and coal.
Today
Iron ore, grain and other cargo move through the port, and regulated terminals generally require a TWIC card.
Compiled October 2026. History is summarized for general interest; check primary sources for research. This landmark is local context, not an employer or job listing.