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
Private onsen bath in guest rooms, for overnight guests only
Available in the two 露天風呂付 room types (和モダンツイン, 和室10畳).
Shared bathing area for all genders
Main baths are gender-separated with a rotation; mixed bathing for guests aged 7+ is only via the room bath or private (kashikiri) bath.
Policies & Services
Allows entry with visible tattoos
Welcomes children and families
Children's yukata, high chairs in the restaurant, and a baby bed in the bath are provided.
Shower, wash stations, soap and shampoo provided
Listed on the chain-wide FAQ, which notes amenities vary slightly by hotel.
On-site or nearby parking available
Views
RiverAbout
Itoen Hotel Shima has a large indoor bath and an outdoor bath, both split by gender with the two shifts swapping through the day, plus two reservable private baths, Koizumi-no-yu (小泉の湯) and Yakushi-no-yu (薬師の湯), booked same-day at the front desk on a first-come basis. Two of the room types, a Japanese-modern twin and a 10-mat Japanese room, come with their own open-air bath kept flowing with fresh spring water. The hotel is one outpost of the budget Itoen Hotels chain, set in Shima Onsen (四万温泉), a Gunma hot spring valley whose water has long been said to ease everyday aches. Downstairs there's an all-you-can-eat, all-you-can-drink buffet dinner and a free shared karaoke room, the kind of no-frills extras this chain is known for.
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Last updated August 5, 2026