Kaioutei
味の宿 海王亭あじのやど かいおうてい
Kakenagashi ryokan on Amakusa with private family baths
Bathing & Water
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Bathing Arrangements
A private bath you can reserve for yourself or your group
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
On-site or nearby parking available
About
A small ryokan in Amakusa fed by the Shimoda Onsen (下田温泉, Shimoda-onsen) spring. The water runs through the baths unheated and undiluted, straight from the source (kakenagashi, 掛け流し). There are gender-separated indoor and outdoor baths, plus two private family baths for reserved use. Stays include in-room dining with local seafood.
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Last updated September 19, 2026