Yeouido is Seoul's finance district, with Han River parks and the spring cherry-blossom road. Hotel spas and office-building saunas sit among the towers, and Sealala, a basement water park and jjimjilbang in Mullae, is about 2 km away.
Most places on this list are ordinary neighbourhood bathhouses with signs in Korean only. These guides explain what to do at the counter, what it costs and the rules on tattoos.