HOSHINO-OTO, Migiwa Villa

Migiwa at HOSHINO-OTO near Amanohashidate has a private sauna with a HUUM DROP heater, two hot spring baths and a black pool used as a cold plunge.

Amanohashidate Rikyu HOSHINO-OTO is seven villas on a hilltop over Miyazu Bay, close to Amanohashidate, one of Japan's three most celebrated views. Every villa has an ocean view, two hot spring baths and a private pool, and Migiwa is the one with a sauna. Added in June 2026, it is an Estonian-made sauna with double tempered glass in the door and window, heated by a HUUM DROP 6 that holds up to 55 kg of stones for soft, deep steam. Guests set it from the HUUM app and can use it any time from check-in to check-out.

Migiwa private sauna: electric heat, seats about 2. An Estonian-made sauna of heat-treated wood with a double tempered glass door and window, in the Migiwa villa. Heater: HUUM DROP electric heater. Listed amenities: Cold plunge, Cool-down deck, Parking, Hot pool / hydrotherapy.

Listing type: Hotel. Access: Hotel guests. Listed capacity: Migiwa sleeps 1 to 3 guests; the sauna seats 2 comfortably. Cold plunge: Migiwa's unheated black pool, about 2 to 3.6 feet deep and around 68°F year-round, just outside the sauna. Hours: Check-in is at 3 PM and check-out at 11 AM. The sauna is yours from check-in to check-out, outside early morning and late night. Book on HOSHINO-OTO's own reservation site and choose the Migiwa room; it is the only one of the seven villas with a sauna. SaunaShare records this listing as editorially reviewed by SaunaShare. A listing label describes where the information came from, not the quality of the sauna. Listing details were last reviewed on November 14, 2026.

Rates and availability are set by the host. SaunaShare links to the booking page and does not handle the reservation.

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