The Ace Hotel In the historic 1927 United Artist Building has 182 guest rooms that come in small, medium and large, loft and suite. Some come with an acoustical guitar. The rooftop boasts views, swimming pool and Upstairs at Ace, a bar that has something going on - DJs, pop-up shops, live music, book launches - every night of the week. Free Tokyobikes are available to guests to ride alone or on one of the hotel's custom bike tours. The Ace is within a mile of the Microsoft Theater, Walt Disney Concert Hall, Staples Theater and the Los Angeles Convention Center.