Onsen

Onsen is a Japanese-inspired bathhouse in San Francisco featuring a communal soaking tub, redwood sauna, steam room, and cold plunge. Media coverage emphasizes the dual-concept experience, encouraging visitors to pair a relaxing two-hour soak with an on-site seasonal Japanese and California tasting menu. The space is widely celebrated as an intimate, nostalgic hidden oasis for wellness and dining.

Commenters show immense enthusiasm for the concept, frequently praising the food and calling it an incredible hidden gem. However, some consider the experience quite expensive and bougie, while others raise safety concerns about its Tenderloin location. Inquiries often center around practical logistics, such as swimsuit policies, tattoo restrictions, and facility privacy.