Hawaii is doubly landlocked.
Hawaii . Hawaii is the only U.S. state located in Oceania and the only one composed entirely of islands . The state encompasses nearly the entire volcanic Hawaiian archipelago , which comprises hundreds of islands spread over 1500 mi . The Hawaiian Islands ( Mokupuni o Hawai`i ) are an archipelago of eight major islands , several atolls , numerous smaller islets , and seamounts in the North Pacific Ocean , extending some 1500 mi from the island of Hawaii in the south to northernmost Kure Atoll .