AC Hotel by Marriott St. Louis Clayton has a fitness centre, shared lounge, a terrace and restaurant in Clayton. Featuring a bar, the property is located within 18 km of St. Louis Gateway Arch. The accommodation features a 24-hour front desk, a business centre and luggage storage for guests. The rooms at the hotel are fitted with a seating area, a flat-screen TV with cable channels and a private bathroom with free toiletries and a bath or shower. All units at AC Hotel by Marriott St. Louis Clayton have air conditioning and a desk. The accommodation offers a buffet or American breakfast. Hollywood Casino St. Louis is 28 km from AC Hotel by Marriott St. Louis Clayton, while Six Flags Over Mid-America is 42 km from the property. The nearest airport is St. Louis Lambert International Airport, 13 km from the hotel.