Cheju island (Chejudo) known as a place of fantasy or mystery is the largest island in Korea and is located in the southwest sea of the Korean peninsula and is highlighted for its uniqueness. Cheju island is a popular vacation spot for Koreans and many Foreigners. It remains one of the top honeymoon destinations for Korean newlyweds. The island's mixture of volcanic rock, frequent rains, and temperate climate, make it very similar to the Hawaiian Islands in the U.S.