Myeongdong Seocho Hanjeungmak is a Korean sauna in central Myeongdong. After the sauna and cold and hot baths, you can receive akasuri and massage, and Japanese is spoken. You can walk in around 11:30 p.m. without a reservation, and staff explain the fees and options before you choose. The hanjeungmak room is small and the heat is high, making it hard to breathe.