Otaru Retreat Kuramure by Onko Chishin
小樽リトリート 蔵群
Nothing about tattoos is published anywhere on this operator’s site. It does not need to be: all nineteen rooms have a spring bath kept at temperature around the clock, most of them semi-open-air, and the shared bathing is a single completely private rental with its own open-air tub, löyly sauna and cold bath. The one thing the FAQ does say about bathing is that the spring is for staying guests only, so nobody else will be in the building.
Best for: Nineteen rooms of different design, each with its own spring bath, in a building shaped after Otaru’s warehouses
Rebranded in 2026 under Onko Chishin; the architecture is Nakayama Makoto’s, and the 2026 rework added new sofas, desks and headboards per room. Six room types: semi-open-air suite, four-bed suite, junior suite, Japanese-Western suite, semi-open-air maisonette and onsen maisonette. Spring is a sodium and calcium chloride water. The rented bath is about 11.4 m² of open-air tub looking at the hills, with a löyly-capable sauna, cold bath and outdoor cooling space, at 11,000 yen for 90 minutes per room; there is also a fermented sawdust enzyme bath produced with Otaka Koso. Minibar drinks in the room are included. Infants sharing a bed are not accepted in several room types.