JAPAN'S BEST-DESIGNED SAUNAS7 saunas
Saunas by the sea in Japan
Cool down to the sound of waves. Saunas and bathhouses on the coast, from the Pacific at Oiso and Tokyo Bay to the Sea of Japan and an island in Okinawa — with a sea view from the sauna, the bath or the rest area.
A panoramic sauna facing the Pacific, beside an infinity pool
A sea view after the sauna, on the Yokosuka coast
An outdoor bath with a sea view, and auto-löyly
A bathing facility by the sea in Ashiya
Saunas facing the Sea of Japan
Hot spring and sauna on an island by the sea in Okinawa
A rest area with the sea breeze in Hakodate
Planning a visit
Hours, cold baths and tattoo rules for these 7 saunas
Nearest stations: Oiso.
| Sauna | Area | Hours | Cold bath | Tattoos |
|---|---|---|---|---|
| THERMAL SPA S.WAVE (Oiso Prince Hotel) | Oiso | 6:00–24:00 (last entry for hotel guests 23:30) | — | Not allowed. |
| Yokosuka Onsen Yuraku no Sato | Umahori-Kaigan | 9:00–24:00 (last entry 23:00) | Yes | Not allowed — tattoos or tattoo stickers. |
| JFA Yume Field Makuhari Onsen Yuraku no Sato | Makuhari | — | Yes | Not allowed — tattoos or tattoo stickers. |
| Shio-Ashiya Onsen SPA Suisyun | Ashiya | 9:00–25:00 (last entry 24:00) | Yes | — |
| Ryuguden Sauna (Kameya) | Yunohama | Check-in to 22:00 and 6:00–10:00 (men's and women's sides… | — | — |
| Ryujin no Yu, Ryukyu Onsen Senagajima Hotel (sauna) | Tomigusuku | 6:00–24:00 (last entry 23:00); day visit ¥2,000 for adults | Around 17 °C | — |
| Yunokawa Onsen Hanabishi Hotel (löyly sauna) | Hakodate | — | Outdoors (spring 18–21 °C, autumn 14–17 °C) | — |
From each official website. “—” means the official information we checked does not say.
Questions visitors ask
Which saunas in Japan stay open after midnight?
THERMAL SPA S.WAVE (Oiso Prince Hotel) (6:00–24:00 (last entry for hotel guests…), Yokosuka Onsen Yuraku no Sato (9:00–24:00 (last entry 23:00)), Shio-Ashiya Onsen SPA Suisyun (9:00–25:00 (last entry 24:00)), Ryujin no Yu, Ryukyu Onsen Senagajima Hotel (sauna) (6:00–24:00 (last entry 23:00); day visit…).
Can I go in with tattoos at the saunas in Japan?
THERMAL SPA S.WAVE (Oiso Prince Hotel): Not allowed.; Yokosuka Onsen Yuraku no Sato: Not allowed — tattoos or tattoo stickers.; JFA Yume Field Makuhari Onsen Yuraku no Sato: Not allowed — tattoos or tattoo stickers.. For the others, check the official website or ask before you go.
Which saunas in Japan have a place to rest outdoors?
Shio-Ashiya Onsen SPA Suisyun have an outdoor rest area, according to their official websites.
Can I pay without cash at the saunas in Japan?
Yokosuka Onsen Yuraku no Sato: Cash and QR payments at every branch; credit cards and e-money at some branches.; JFA Yume Field Makuhari Onsen Yuraku no Sato: Cash and QR payments at every branch; credit cards and e-money at some branches.. Other places do not state payment methods on their official websites.
What are the nearest stations for the saunas in Japan?
The stations mentioned most often are Oiso Station. Every sauna page has directions and the address in Japanese.
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