Marinette is a city in and the county seat of Marinette County, Wisconsin, United States.[6] It is located on the south bank of the Menominee River, at its mouth at Green Bay, part of Lake Michigan; to the north is Stephenson Island (Wisconsin), part of the city preserved as park.[7] During the lumbering boom of the late 19th century, Marinette became the tenth-largest city in Wisconsin in 1900, w