Unohama Ningyokan (Mermaid Pool and Baths)
鵜の浜人魚館
Day-use baths and a heated pool facing the Sea of Japan
Day Use
YesPool hours: weekdays 13:00 to 18:00, weekends and holidays 10:00 to 18:00 (last entry 17:30).
Bathing & Water
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Sauna room of any kind
Cold water plunge bath, typically used after sauna
Bathing Arrangements
Shared bathing area for all genders
Policies & Services
A restaurant or dining room open to visitors, not only meals for overnight guests
Shower, wash stations, soap and shampoo provided
Towels to rent or borrow at the desk
Relaxation space for after bathing
On-site or nearby parking available
Views
SeaHighlights
Utaseyu
Jet BathAbout
A municipal day-use facility on the Sea of Japan coast, built around hot spring baths and a 25 m heated pool. There are two large baths looking out to sea, and the open-air bath (rotenburo, 露天風呂) has the same view. The men's and women's sides swap every day, so you can try both. The sauna has a cold plunge and costs nothing extra. The pool area also has a kids' pool, a pressure and bubble bath, and an uttaseyu (打たせ湯), a seat where a stream of water falls on your shoulders and back. There is a restaurant on the first floor and a large tatami hall upstairs for resting. It is day-use only, with no rooms to stay in.
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Last updated October 13, 2026