Lake Superior islands include Madeline Island in the state of Wisconsin, Michipicoten Island in the province of Ontario, and Grand Island (the location of the Grand Island National Recreation Area) in the state of Michigan. The larger cities on Lake Superior include the twin ports of Duluth, Minnesota and Superior, Wisconsin; Thunder Bay, Ontario; Marquette, Michigan; and the twin cities of Sault Ste. Marie, Michigan, and Sault Ste. Marie, Ontario. Duluth-Superior, at the western end of Lake Superior, is the most inland point on the St. Lawrence Seaway and the most inland port in the world. Among the scenic places on the
Duluth, Minnesota Duluth, Minnesota Duluth is a major port city in the U.S. state of Minnesota and the county seat of Saint Louis County. Duluth has a population of 86,293 and is the 4th largest city in Minnesota. It is the second-largest city on Lake Superior after Thunder Bay, Ontario, Canada. It has the largest metropolitan area on the lake, with a population of 279,771 in 2010, the second-largest in the state. Situated on the north shore of Lake Superior at the westernmost point of the Great Lakes, Duluth is accessible to oceangoing vessels from the Atlantic Ocean away via the Great