In Japan, public baths and saunas are almost always separated by gender. Couples cannot go in together. A private sauna is booked as one room — so you use it together, for the time you reserved, with nobody else present.
That is the whole reason this format exists, and it is why “for couples” and “private” turn up together whenever people search for a sauna in Tokyo.
What “private” actually means here
You reserve the room, not a seat. For your slot, the sauna, the cold bath, the shower and the changing space are yours alone. Practically:
- You go in together. No gender separation, because there is no shared space to separate.
- No swimwear rules to navigate. Communal facilities have them because strangers share the water. You are not sharing.
- Tattoos are not an issue. Every facility listed below accepts guests with tattoos — we confirmed this directly. See Tattoo-Friendly Sauna and Onsen in Tokyo.
What it costs for two people
Check whether the price is per room or per person. This is the single most common surprise, and for two people it can nearly double the total.
| Type | Slot | Typical total for two |
|---|---|---|
| Standard | 90 min | 6,000–10,000 yen |
| Luxury | 90 min+ | 10,000–30,000 yen |
| Top end (with hot spring) | 120 min+ | 30,000 yen+ |
Where to book
These are in Roppongi and Azabu-Juban — central, and a few minutes from the stations. Confirmed July 2026.
| Facility | Nearest station | Price for two | Hours | Notes |
|---|---|---|---|---|
| Sway | Gaienmae, 3 min | 2 people 90 min 10,000 yen | 07:00–05:00 | Outdoor terrace for cooling down. Open very late. |
| AZABU SAUNA TENQOO | Azabu-Juban, 3 min | 60 min from 4,130 yen (1–4 people) | 24 hours | The cheapest option here. Self-löyly. |
| COCO VILLA sauna | Azabu-Juban, 3 min | 90 min 7,000 yen | 10:00–23:00 | Sake-barrel sauna. Cold bath refilled between guests. |
| KUDOCHI sauna Roppongi | Roppongi, 1 min | 4 people 120 min 18,000 yen | 24 hours | Sized for groups rather than two. Karaoke available. |
| KUDOCHI onsen Roppongi | Roppongi, 5 min | 120 min from 34,000 yen | 24 hours | Real hot spring, booked privately. 1–8 people. |
Prices and hours can change. Check the facility’s official page before you go.
Four things to check before you book
These four are where couples actually get caught out — and all four are quick to settle before you pay.
Rules differ from venue to venue, so we do not state them per venue.
What we can give you is the exact thing to look for, in Japanese, so you can check it yourself.
1. Can two people of different genders use the same room?
This is not uniform across Tokyo. Some venues are set up for it, some are not, and a few allow it only in certain rooms.
On a Japanese booking page, look for any of these:
- 男女可 (danjo ka) — mixed-gender use is allowed
- カップルプラン (couple plan) — a plan sold specifically for two
- 2名利用可 (nimei riyō ka) — two people may use the room
If none of these appear, treat it as unconfirmed rather than as a no. Ask before booking.
2. What you have to wear
In practice there are three patterns: swimwear required, the venue lends you sauna wear,
or nothing specified. Which one applies is decided by the venue, not by any general rule,
so do not assume the Japanese norm you may have read about elsewhere applies here.
It is usually written under 持ち物 (what to bring) or ご利用案内 (how to use).
3. Is the price per room or per person?
This is the single biggest source of surprise on the bill. ¥6,000 for 90 minutes means very different things
depending on the answer. Our tables show the unit next to the price, but confirm it when you book.
4. When to book
Evenings and weekends go one to three days ahead. Weekday mornings and afternoons are easier and often cheaper.
If you would rather just ask
Copy this and send it, or show it at the counter. It covers all of the above in one go.
恐れ入ります。男女2名で利用したいのですが、
同じ部屋に一緒に入れますか。また、服装の決まり（水着の要否）と、
料金は1室あたりか1人あたりかを教えてください。
(Roughly: “Excuse me — we are two people, one man and one woman.
May we use the same room together? Also, could you tell me the clothing rules, whether swimwear is needed,
and whether the price is per room or per person?”)
Tattoos are a separate question and we cover it on its own page:
tattoo-friendly private saunas.
Practical notes
- Book ahead for evenings and weekends. Those slots go first. Weekday mornings and afternoons are easier and usually cheaper.
- 90 minutes is a comfortable slot for two. 60 minutes works but leaves little room to slow down.
- Check what is included. Towels and sauna wear are bundled at some facilities and charged at others.
For how time-based booking works and prices across the city, see Private Sauna in Tokyo.
🔍 Find a sauna near you — search all 52 by price, walk time or distance.