Castle Island Colony is operated by the Castle Resorts & Hotels, that owns more than 20 hotels and condominiums on the islands of Oahu, Maui, Kauai, Molokai and Big Island, Hawaii. Castle Resorts & Hotels is a subsidiary of the Castle Group that manages more than 2,000 hotel rooms and condominium units, and employs a staff of over 600 resort, hotel and corporate personnel. The facilities provided by Castle Island Colony include a swimming pool, lobby, and poolside and deluxe rooms. The hotel also offers various packages and discounts to families, groups and senior citizens. Castle Island Colony is located in Honolulu.