Jeju Seongsan Haemaru & Ssamchongsa Hoejip is a restaurant in Seongsan, Seogwipo, serving grilled hairtail, grilled mackerel, and seafood ttukbaegi. The grilled hairtail and grilled mackerel set comes with sea urchin seaweed soup. Side dishes are refilled at a self-service bar, and diners also take ssam themselves. The grilled hairtail is undercooked and fishy.