See also What Is The Trafalgar Square How many MGM properties are there? MGM Resorts International is an American global hospitality and entertainment company operating destination resorts in Las Vegas, Massachusetts, Detroit, Mississippi, Maryland, and New Jersey, including Bellagio, Mandalay Bay, MGM Grand, and Park MGM. MGM Grand Hotel & Casino Las Vegas is one of 18 properties owned by MGM Resorts International. How many properties does MGM own in Las Vegas? 8 How much of Las Vegas is owned by MGM?Ībout video of what are mgm properties in las vegas.7 How many properties does MGM Resorts have?.6 Who owns the most property in Las Vegas?.5 What properties did MGM sell in Las Vegas?.2 How many properties does MGM own in Las Vegas?.1 About video of what are mgm properties in las vegas.