Ameristar Casino is perfectly located for both business and leisure guests in St.Charles (MO). The property offers a high standard of service and amenities to suit the individual needs of all travelers. Service-minded staff will welcome and guide you at Ameristar Casino. Each guestroom is elegantly furnished and equipped with handy amenities. The property offers various recreational opportunities. Ameristar Casino combines warm hospitality with a lovely ambiance to make your stay in St.Charles (MO) unforgettable.