Kaike Onsen Mitsui Bekkan
皆生温泉 三井別館かいけおんせん みついべっかん
Day Use
YesDay-use bathing runs on the regular bathing hours and is occasionally suspended during busy periods, such as the New Year holidays, when the inn is fully booked.
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
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
Relaxation space for after bathing
On-site or nearby parking available
Programs
About
Located near the beach at Kaike Onsen, this low-key hotel features simple rooms and a communal hot-spring bath. The water is rich in salt, providing lasting warmth after bathing. The retro atmosphere evokes the Showa era, adding nostalgic charm to the experience.
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Last updated July 14, 2026