Ameristar Casino Resort Spa St. Charles at a glance
About Ameristar Casino Resort Spa St. Charles
Ameristar Casino Resort Spa St. Charles is a commercial gaming resort in St. Charles, Missouri, operated by Boyd Gaming. Opened in 1994 on the Missouri River, the casino runs approximately 2,567 slot machines and 58 table games — including Blackjack, Craps, Roulette, Poker, and specialty formats — on a 24/7 schedule. Full resort amenities include a hotel, spa, multiple restaurants, self-parking, and valet. The mychoice Rewards loyalty program earns across Boyd Gaming properties nationally. The minimum gambling age is 21, regulated by the Missouri Gaming Commission. Website: stcharles.ameristar.com.
Venue photo
Ameristar
St. Charles, Missouri
St. Charles is in St. Charles County approximately 20 miles west of downtown St. Louis via I-70, on the Missouri River near the historic St. Charles riverfront — the launching point of the Lewis and Clark Expedition in 1804. Ameristar Casino Resort Spa is one of Missouri’s largest casino resorts, drawing extensively from the St. Louis metropolitan market. Boyd Gaming also operates Ameristar Casino Hotel Kansas City on the Missouri River in Kansas City.
Games at Ameristar Casino Resort Spa St. Charles
- mychoice
Specific earn rates, tier requirements, and benefits change frequently — confirm with the property's player services desk before your visit.
What the directory data shows
Strengths and gaps inferred from games, features, and directory data.
Strengths
2- 2,567 machines and 58 tables; hotel and spa on Missouri River near St. Louis metro
- mychoice Rewards national network; Lewis and Clark historic riverfront corridor
Watch-outs
1- St. Charles market competes with Lumière Place/Horseshoe St. Louis and Hollywood Casino St. Louis
Boyd Gaming's St. Charles resort — 2,567 slots, 58 tables, hotel, spa, and mychoice Rewards on the Missouri River 20 miles from St. Louis
Ameristar Casino Resort Spa St. Charles is one of Missouri's flagship casino resorts, open since 1994 on the Missouri River in the rapidly growing St. Charles County. The hotel, spa, and 58-table floor make it a full destination resort for St. Louis metro visitors. mychoice Rewards connects to Boyd Gaming's national portfolio. Confirm current promotions at stcharles.ameristar.com.
Licensing & Rules
- Regulator
- Missouri Gaming Commission
- Age Requirement
- 21+
- Sportsbook
- Legal (retail only)




