Atlantic City's newest proposed casino, MGM Grand, will be a $5 billion project modeled after the CityCenter project in Las Vegas. Scheduled for a opening. As of August 1, , Borgata is now an MGM Resorts Luxury Destination. This means Borgata joins the same family as your favorite Las Vegas destinations. MGM Grand Atlantic City was a planned resort casino by MGM Mirage in Atlantic City, New Jersey. It was to be located on 72 acres (29 ha) of land between the Address : Atlantic City, New Jersey.