🇺🇸 Lake Koshkonong, United States

Lake Koshkonong is not a city, but a large freshwater lake located in southern Wisconsin, United States. It covers an area of approximately 10,500 acres and is a popular destination for boating, fishing, and other water activities. While it does not have ports, shipyards, or factories producing ship parts, it offers a beautiful setting for seafarers and shipowners to enjoy recreational boating and relaxation on the water.