It's an officially listed building that contains important works of art considered to be national treasures. It has impressive collections of sculpture and paintings as well as a neogothic library, antique glassware and lamps produced by the royal supplier (La Fábrica de Vidrio de la Granja). It's now a popular venue for cultural events, social events and press conferences. Its facilities include a sauna, gym, swimming-pool, reading room, bars and two restaurants. The Casino is a private club dating from 1910 and public access is restricted to the restaurants only.