Tongans Formerly the shells used to advise each other. Polynesian Cultural Center. O'ahu. Hawaii is a dream destination for many people around the world. Millions travel each year to the islands to enjoy their holiday in a paradise, as many make Hawaii their permanent home. There are six main islands: Oahu, Kauai, Maui, the Big Island of Hawaii, Molokai and Lanai. Each is different and represents the beauty of Hawaii in a unique and memorable. Hawaii has it all: From tropical blue lagoons, white sandy beaches, beautiful waterfalls, lush vegetation and serene mountains, to active volcanoes and snow (believe it or not!)