Gatmaeul Gohyangui Mat is a small restaurant in Seoul's Nowon-gu that serves southern-coast seafood dishes from a chef who grew up in Goheung. Its signature dish is pigul, briefly cooked oysters cooled and eaten with cold oyster broth, and seasonal seafood is served as sukhoe or muchim. The dining room has six tables. Pigul can run out after 9 p.m.