Kitagawa Onsen · Atagawa Onsen × Accommodation with Full Room ServiceRecommended Hotel·Ryokan

Reopening on November 1, 2025 as a small luxury Accommodation where every Room offers an ocean view and a private open-air bath with free-flowing hot spring water.Beyond the rising steam lies the horizon of Eastern Izu, where sea and sky melt into one. Listen to the soothing surf, and on moonlit nights a magical “Moon Road” appears across the water.Renowned hot spring water—300 liters per minute—flows from two private sources, gently easing both body and mind.Experience “Japanese cuisine of sea and time,” inspired by Izu’s climate and memories. Crafted by our head chef trained at long-established restaurants,each course is beautifully complemented by Sommelier Excellence–selected wines and local sake for a lingering finish.With only 16 Rooms, we offer complimentary room service—timeless new luxury unique to nostalgic Atagawa.

Bousui is located in Kitagawa Onsen on the east coast of the Izu Peninsula. True to its name, the breathtaking views overlooking Sagami Bay reveal the grandeur of each season and bring a sense of calm to every traveler. About 100 meters from the Facility, right by the shoreline, you will find Kuroneiwa Bath, one of the very few seaside open-air baths in The whole country. The sunrise seen from this open-air bath is truly exceptional. In addition, Bousui offers private gazebos where you can enjoy sweeping ocean views as if they were yours alone—an experience unique to Bousui.

All rooms feature open-air hot spring baths with continuous flow. Isaribi - We assist you in enjoying the luxury of doing nothing.

The vast ocean and a naturally flowing hot spring source Set along the coast with views of Izu Oshima, “Oyado Fugetsu Muhen” offers Rooms all equipped with open-air baths, so you can relax anytime without worrying about the clock. Secluded detached guest Rooms stand quietly amid magnificent nature. A soothing private hot spring source springs up within the grounds. Savor kaiseki cuisine lavishly prepared with seasonal ingredients from local Izu and The whole country! Now introducing a special touch of hospitality: all Rooms are equipped with ReFa hair dryers and straightening irons. *Please check the photos and Plan details for more information.*