Gui Cheonguk is a seafood restaurant in Seoul that serves grilled and steamed clams at outdoor tables next to the Noryangjin Fish Market. After the clams, diners can add ramyeon or kalguksu, and the kalguksu broth is cool. The restaurant has held its spot in Noryangjin for a long time and provides outdoor seating. Portions are not large enough to be very filling, and the prices are on the higher side.