Ameristar Casino Resort Spa St. Charles is a premier riverfront gaming destination on the Missouri River in St. Charles, Missouri, owned by Boyd Gaming. The property spans 130,000 square feet of gaming space featuring 1,500 slot machines and 25 table games, complemented by a AAA Four Diamond hotel with 400 luxury suites and seasonal indoor-outdoor pool. Guests enjoy seven dining venues, twelve bars, a full-service luxury day spa, and entertainment offerings, plus a brand new Fanatics Sportsbook. The 60,000-square-foot conference center accommodates events, while convenient access from Lambert-St. Louis International Airport makes it a major attraction drawing over 5.5 million visitors annually since opening in 1994.