Choose TownePlace Suites by Mariott for your extended stay in O'Fallon, IL. Choose between a studio, one-bedroom or two bedroom suite, all of which are pet-friendly and equipped with full kitchens and Free Wi-Fi. You can also enjoy their selection of premium cable channels on your flat-screen TV. Other amenities include free daily hot breakfast, an indoor saltwater pool and patio grilling equipment. When you need a home away from home, TownePlace Suites is there for you. Book your stay today.