There are five unique islands along with Chagido Island and Biyangdo Island in the west of Jeju Island, Marado Island and Gapado Island in the south, and Udo Island, which boasts the largest area, has beautiful natural scenery, including a beautiful white sand beach at the top of Jeju Island. 1. Likelihood Related Information The total area of Udo Island is 6.18로, which is large, so it is diffic..