South Sioux City Marriott Riverfront has a seasonal outdoor swimming pool, fitness center, a terrace and restaurant in South Sioux City. This 3-star hotel offers free shuttle service and room service. The property has a 24-hour front desk and an ATM for guests. Some rooms also feature a kitchenette with a fridge and a microwave. Guests at the hotel can enjoy an American breakfast. A business center and vending machines with snacks and drinks are available on site at South Sioux City Marriott Riverfront. Sioux City Convention Center is 1.7 miles from the accommodation, while Sioux City Art Center is 1.4 miles from the property. Sioux Gateway Airport is 7.5 miles away.