Seopjikoji is a coastal tourist site in Seogwipo on the east side of Jeju, where blue sea, rocky cliffs, and grassland meet. A trail runs along the shore, and the white lighthouse offers a view of Seongsan Ilchulbong. The parking lot is large and there are restrooms, the walk to the lighthouse takes about 20 minutes, and there is no admission fee. It is a route often combined with Aqua Planet.