the drapery at the corners of each space. Standard Room at Encore The resort's  nightclub , XS, was developed by  Victor Drai  and opened on  New Year's Eve  2008 with 40,000 sq ft (3,700 m 2 ) and space for 3,000 guests. [ 10 ]  The restaurants include Sinatra, a  Frank Sinatra -themed, 152-seat dinner-only  steakhouse