Oʻahu is the third-largest and most populated island of the Hawaiian Islands and of the U.S. state of Hawaii. The state capital, Honolulu, is on Oʻahu's southeast coast. The island of Oʻahu and the uninhabited Northwestern Hawaiian Islands constitute the City and County of Honolulu. In 2021, Oʻahu had a population of 995,638, up from 953,207 in 2010.
AdFind Top Rated Hawaii Big Island SubmarineTours! Book on Viator, by TripAdvisor. Quick & Easy Purchase with Flexibility to Cancel up to 24 Hours Before the Tours Starts
All Available in One App · Free Cancellation · Verified Reviews · Reserve Now, Pay Later
AdTake advantage of the time in your destination. Skip the lines at the biggest attractions. Don't worry if your plans change. We offer 24/7 customer service in multiple languages.