MGM Resorts will close all of its Las Vegas properties due to coronavirus concerns on Tuesday, March 17, the company announced on Sunday. The hotel chain owns major Las Vegas hotels including MGM Grand, Aria, Bellagio, New York-New York, Mandalay Bay and The Mirage. Casinos on those properties will be closed starting Monday. MGM Resorts will not be taking reservations for arrivals prior to May 1.