The Cosmopolitan Hotel and Casino Las Vegas, Nevada Records provide materials relating to the hotel's grand opening on December 15, 2010. Included are newspaper clippings, a poster pamphlet, gaming and rewards program information, and photographs of the hotel rooms. Also included is information about the art program, the shops, bars, nightclubs, and convention facilities.

The Stardust Hotel/Casino Convention Information Cards (1960-1970) consist of typescript index cards from the Stardust Hotel, Public Relations Department listing contact info for organizations and businesses planning to hold conventions in Las Vegas at the Stardust Hotel.

The Castaways Hotel and Casino Photograph Collection, approximately 1963 to 1987, consists of black-and-white and color photographic prints and negatives. Images depict the exterior of the entrance to the property, the mega-pylon sign, the pool area, and the “Gateway to Luck” replica temple in the courtyard area. The interior images depict various hotel rooms and suites, a couple dining, and a performance by Rusty Isabel, an entertainer in the Kon Tiki Lounge inside the property.