Headquartered in Honolulu, Castle Hospitality Group is a hotel, resort and vacation rental management company with two brands ... in its portfolio, Castle Resorts & Hotels and Castle Vacation Rentals Hawaii. Castle Resorts & Hotels provides comprehensive hotel and resort condominium management services, including operations, sales, digital marketing, revenue management, reservations, accounting and more, with an on-property presence. Castle Vacation Rentals Hawaii is a new brand providing management of individual vacation rental properties, backed by the power of Castle’s exclusive technology platform and vast distribution and customer reach. read more