Lake Michigan is closely associated with Michigan, as it has the largest shoreline along this iconic Great Lake, though it also borders Illinois, Wisconsin, and Indiana.

The only Great Lake completely contained within the United States is Lake Michigan, one of the five Great Lakes in North America. Illinois, Indiana, Michigan, and Wisconsin are its four neighboring states. With its sandy dunes, picturesque scenery, and vibrant port cities, Michigan distinguishes out as having the lake's widest and most varied shoreline. The lake has a big impact on Michigan's culture, recreation, and economics. In addition to providing breathtaking natural beauty, its huge seas facilitate shipping, tourism, and fishing. Despite the fact that the lake spans many states, many people associate Lake Michigan with Michigan due to its geographic and cultural significance.