Spa
Archimedes Banya
San Francisco, California, US
- Clothing optional
- Adults only
- Private, authorised
- Status unknown
Last checked Aug 2026
Archimedes Banya is a coed bathhouse/spa in San Francisco, California, United States, where clothing is optional. Check calendar and current inclusion policies.
Know before you go
Check calendar and current inclusion policies
Amenities
- Pool
- Day use
- Sauna
Frequently asked questions
Is clothing required at Archimedes Banya?
This location is clothing optional: nudity is permitted, and you are free to stay dressed if you prefer.
Is Archimedes Banya family-friendly or adults-only?
Archimedes Banya is adults only — visitors under 18 are not admitted.
Is nudity at Archimedes Banya officially sanctioned?
This is a private property where nudity is authorised by the operator, subject to their own rules.
Can I visit Archimedes Banya for the day?
Access: Day visitors. Day access: Yes.
When is the best time to visit Archimedes Banya?
Season: Year-round.
Official links
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