Ameristar Casino Resort Spa St. Charles is a riverboat casino located on the Missouri River in St. Charles, Missouri, a northwestern suburb of St. Louis. It is one of several casinos in the greater St. Louis market. It is currently owned by Boyd Gaming.
Saint Charles is a city in, and the county seat of, St. Charles County, Missouri, United States. The population was 70,493 at the 2020 census. Just west of St. Louis you'll find St. Charles, a river city with a unique historical perspective, beautiful sites, friendly people and a pace just a little slower than that of the big city.
