Day Use
Yes¥2,000 regular season; summer hours and prices differ
Bathing & Water
Open-air outdoor bath
Enclosed indoor bathing area
Dry heat sauna room
Uses natural hot spring water
Capabilities
Private bath available for day-use visitors or hotel guests to reserve
Private onsen bath in guest rooms, for overnight guests only
Shared bathing area for all genders
Policies & Services
Restaurant or dining open to visitors (not just hotel meal plans)
Shower, wash stations, soap and shampoo provided
Towels available to rent or borrow
Relaxation space for after bathing
On-site or nearby parking available
Views
SeaAbout
Kaigetsukan (海月館) sits right on the Sumoto waterfront, and the baths make full use of the location. The sky-view rotenburo called Shiosai-no-yu (潮騒の湯) looks out over the Kitan Strait, and the indoor large baths for men and women share the same sea-facing outlook. A sauna is available in the bathhouse as well. Guests staying in the Tenkai Bettei (天海別亭) annex get access to a private reserved bath with the same sea view, and select rooms come with their own in-room bath. Day-use bathing is available in the regular season.
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