BACKSTORY: A hotel casino located on the Las Vegas Strip that opened in 1993 Owned and operated by MGM Resorts International, the 30-floor main building is 293 ft high. The property includes five outdoor pools, rivers, and waterfalls that cover 6.6 acres, a 380,000 sq ft convention center, the MGM Grand Garden Arena, and the Grand Spa. It also houses numerous shops and night clubs, 19 restaurants, and the largest casino in Clark County, which occupies 171,500 sq ft.