Seongsan Gaetmaeul Sikdang is a Korean restaurant in Seongsan-eup, Seogwipo, serving hairtail dishes. Its main dishes are hairtail jorim and hairtail mulhoe, and it also sells hoe and mackerel jorim. The restaurant is clean and has a large parking area. The mulhoe sauce has a strong yuja and mandarin aroma, which is divisive.