Jeju's 7 Inhabited Islands and 50 Uninhabited Islands
Jejudo Island is made up of 7 inhabited islands and over 50 uninhabited islands.
Marado Island, Gapado Island, Udo Island, Biyangdo Island, Chujado Island, and Chagwido Island are all populated and famous as tourists attractions, with ferries allowing for easy transportation.
Seopseom Island, Munseom Island, and Beomseom Island Natural Reserves have been designated as Biosphere Reserves, prohibiting entry onto these uninhabited islands. However, it is still possible to admire their surroundings via tour cruises or submarines.