The island of Oahu, nicknamed "Gathering Place", offers a mix of natural, historic and city attractions for all ages. It is the home to the famous Waikiki beach, iconic Diamond Head, family fun theme park of Polynesian Cultural Center, historic Pearl Harbor Memorial, picturesque Kualoa Ranch, North Shore surfing beaches and more! See the list of all Oahu tours, activities and things to do in Oahu here, and plan your Oahu adventure today!