Jeju Guksu is a Jeju regional food restaurant near Seongsu Station that serves gogi-guksu, dombe-gogi, and momguk. The gogi-guksu comes with pork and a thick bone broth, and the menu also includes abalone and hanchi hoe and grilled okdom tilefish. The dining room seats about 120, and the restroom is outside the commercial building. The noodles are ordinary and the broth tastes flat.