Diners will scroll through options on mobile devices using a QR code and receive text message notifications when their tables are ready. Restaurants will space seats and bar stools six feet apart and no longer hand out physical menus. The Prince George’s County resort announced its reopening plan today. Last month, Vegas-based casino giant MGM International released a detailed, 19-page reopening report that includes the game plan for its nearly four-year-old property in Oxon Hill, Maryland. will reopen to the public on Monday, June 29. Following a three-month hiatus during the coronavirus crisis, the MGM National Harbor casino located just outside of D.C.