Haenyeo Halmang Guksu is a noodle shop in Tapdong, Jeju. It serves gogi-guksu, dwaeji-gukbap, kong-guksu, and naengmyeon, and its seafood noodles contain many mussels and clams. The owner was formerly a haenyeo, and orders can be placed using a Chinese menu. Ordering involves almost no talking, and the staff are brusque.