Private open-air bath in your room
Private Spa Hotel Orange Bay
Every room has its own open-air bath on the balcony, filled with free-flowing spring water straight from the Obama Onsen source, open around the clock
from ~$273 / nightView stay →
Rooms have their own onsen baths (the annex rooms are semi-open-air), and three reservable baths — two open-air on the roof, one indoor — are free for guests on 50-minute reservations.
In-room bath + reservable private bathfrom ~$264 / night
The details
- Area
- Obama Onsen, Nagasaki
- Private bath
- In-room bath + reservable private bath — Rooms have their own onsen baths (the annex rooms are semi-open-air), and three reservable baths — two open-air on the roof, one indoor — are free for guests on 50-minute reservations.
- Spring water
- sodium chloride spring
- Water flow
- Free-flowing kakenagashi — poured straight from the source, not recirculated
- Private-bath hire
- Free
- Price guide
- From ~$264 per night (checked on Klook, Nov 2026)
- Access
- About 50 min by car from Isahaya IC, on the Shimabara Peninsula
- Day-trip bathing
- Overnight stay only
You get both kinds of private here — a bath of your own, and reservable ones for the long soak. Most guests use both before checkout. You probably will too.
Private-bath and water facts were checked against the property's official site and Japanese booking pages in November 2026. Room plans change — confirm the private bath is included in the plan you book.
Obama Onsenfrom ~$264 / nightCheck on Klook →
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In-room bath + reservable private bath
Ryokan Kunisaki
Three reservable baths (hinoki, stone and open-air) are free for guests with no reservation needed, and two rooms plus the detached Yamaboushi house have their own onsen baths — all free-flowing.
from ~$146 / nightView stay →