Kaike Seaside Hotel
皆生シーサイドホテル 海の四季
Bathing & Water
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Capabilities
Private bath available for day-use visitors or hotel guests to reserve
Reservable private baths (charged, booked after check-in): outdoor bath Shiokaze 3,300 yen/40 min and family bath Kaion 2,200 yen/40 min.
Private onsen bath in guest rooms, for overnight guests only
Guest rooms have either no bath (use the shared bath/rotenburo) or a plain unit bath; none has its own onsen bath.
Shared bathing area for all genders
Single large communal bath with no mention of mixed bathing; standard gender-separated use implied.
Policies & Services
Allows entry with visible tattoos
Welcomes children and families
Children cannot stay in Western-style (yoshitsu) rooms; allowed in other room types with the stated child-rate conditions.
Relaxation space for after bathing
On-site or nearby parking available
Views
SeaAbout
This hotel sits right on Kaike Beach, and both the indoor bath and its attached outdoor bath look straight out over the Sea of Japan. The water is salty, kept flowing straight from the source, the kind that leaves skin feeling smooth rather than tight. Beyond the shared bath there are two reservable private baths, an outdoor one called Shiokaze (汐風) and a family bath called Kaion (海音), both bookable after check-in. Every guest room has an ocean view, and a free massage-chair lounge sits next to the baths for afterward.
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Last updated August 5, 2026