Located on the Diamond Head side of Waikiki, Castle Ocean Resort Hotel Waikiki offers 100% smoke-free accommodations in two towers. This location is also a block from world-famous Waikiki Beach and just a short stroll to Kapiolani Park, the Honolulu Zoo, and the Waikiki Aquarium.Hotel amenities include the two swimming pools and sun deck on the third floor and Internet kiosks in the lobby for a fee. A restaurant and sports bar are in the open-air lobby. Valet parking is available for a fee. The hotel also offers an activities desk, a sundry store, and daily maid service. The property offers air-conditioned hotel rooms with spectacular ocean views, spacious studios with kitchenettes, or beautifully appointed suites.