Sheboygan is a city in and the county seat of Sheboygan County, Wisconsin, United States. The population was 49,929 at the 2020 census. It is the principal city of the Sheboygan metropolitan area, which has a population of 118,034. The city is located on the western shore of Lake Michigan at the mouth of the Sheboygan River, about 50 miles north of Milwaukee and 64 mi (103 km) south of Green Bay.

Blue Harbor Resort and Spa is a resort, water park and conference center in Sheboygan, Wisconsin. The resort opened in June 2004 after being built by Great Wolf Resorts.