The Grand Sierra offers nearly 2,000 guest rooms, all containing at least 450 square feet of space, making them some of the largest rooms in the industry. The Grand Sierra Resort & Casino lit up at night But the Grand Sierra Resort and Casino in Reno, Nevada is an exception to current trends.įormerly the Reno Hilton, the Grand Sierra Resort and Casino then underwent a $25 million upgrade that included guest rooms, dining venues and entertainment spaces. Recently, it has become more and more difficult to find a casino resort that is reasonably priced and family oriented.