Oahu family vacation ideas include things to do with kids, and family-friendly resorts and hotels with vacation packages. Best things to do with kids: Visit Diamond Head and Pearl Harbor; arrange family golf on Kauai; meander through the Waikiki Aquarium; engage in history at the Polynesian Cultural Center, ride the Dole Pineapple Train; take surf lessons on Waikiki Beach or try SNUBA. Back to Hawaii family vacation ideas. For specific island vacation ideas click any of the following links. Maui, Big Island of Hawaii, or Hawaiian Islands.