Korean Sauna (Jjimjilbang) Etiquette for First-Timers Visiting a Korean sauna, or “jjimjilbang,” is one of the most authentic cultural experiences you can have in South Korea. These traditional bathhouses are not just about cleansing the body — they’re about relaxation, socializing, and even sleeping overnight in a warm, peaceful atmosphere. For first-timers, the experience may feel intimidating..