The Northfield Park harness racing track was built in 1934. It is the first property in Ohio for the company. The casino is owned and operated by MGM Resorts International. The property also includes restaurants, bars, and a 3,700-seat music venue. The complex features a 255,000-square-foot (23,700 m2) casino with 2,200 video lottery terminals, live greyhound racing, and simulcast horse and harness racing. MGM Northfield Park is a racino in Northfield, Ohio, United States.