The Mirage Casino-Hotel imagines itself an oasis in the desert of Las Vegas. Part of the MGM Resorts International (formerly MGM MIRAGE) family of about a half dozen Vegas resorts, The Mirage offers guests more than 3,000 rooms and 100,000 square feet of gambling space along with a spa, over a dozen restaurants, shops, and a handful of attractions including the famed Siegfried and Roy's Secret Garden and The Volcano . The $630 million Mirage Casino-Hotel had its grand opening in 1989. Parent MGM Resorts was founded by legendary Las Vegas businessman Kirk Kerkorian, who died in 2015 at the age of 98.