伊東温泉 ビーチコミューン シンプルース
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
review describes two baths: an upper-floor 展望風呂 (view bath, indoor) plus a separate ground-floor rotenburo
Private bath available for day-use visitors or hotel guests to reserve
Shared bathing area for all genders
all baths described as private/reservable (貸切) for one party at a time; no mixed communal bath mentioned anywhere
Welcomes children and families
adults-only inn (also stated in English on-site as 'Adults-only')
Relaxation space for after bathing
On-site or nearby parking available
on-site parking exists but is very limited (one spot at the entrance stairs; overflow parking nearby per a 2024 review)
Simploose is a small adults-only inn on a hillside above Ito, just four rooms in all. The rooms and terrace look out over the sea, and the two baths share the same view: an indoor bath upstairs, and an open-air bath one floor down. Both are private to each room, and guests say there's no set booking slot, you can just go down and soak whenever you like. The inn is run by a couple, known as much for the seafood dinners they cook themselves as for the baths, and reaching it means a hill and a run of stairs from the road.
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Last updated July 30, 2026