hawai liveHawai‘i, the most expensive U.S. State to live in, according to the world population review, can be an expensive vacation destination, too. But with some 12 Tips for Traveling toHawaii (The B Island): The largest and youngest island, home to Hawaii Volcanoes National Park and Mauna Kea Observatory. Molokai: The fifth-largest island, known for its rugged natural beauty and strong connection to Hawaiian