Manistique, formerly Monistique, is the only incorporated city in and the county seat of Schoolcraft County of the U.S. state of Michigan's Upper Peninsula. As of the 2010 census, the city population was 3,097. The city lies on the north shore of Lake Michigan, adjacent the southwest corner of Manistique Township. Manistique was founded where the Manistique River flows into Lake Michigan, forming a kind of natural harbor, which has since been improved with breakwaters, dredging, and a lighthouse. The city takes its name from the Manistique River. The economy also depends heavily on tourism.