Kitagawa Onsen · Atagawa Onsen × Accommodation With ShopRecommended Hotel·Ryokan

All guest rooms feature open-air baths with ocean views, offering a prime location overlooking the Izu Islands, including Izu Oshima floating in the Pacific Ocean. At our restaurant, we use seafood from Sagami Bay and carefully selected ingredients from Izu to offer creative Western course menus, Japanese kaiseki-style courses, and shabu-shabu courses. Drinks at the restaurant, lounge access at the café terrace, and in-room refrigerator items are included in the accommodation rate, allowing you to enjoy a comfortable resort stay with magnificent views.

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.

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.

A property located on a hill in the Atagawa Onsen area, offering ocean views from every room. Enjoy the skin-beautifying waters in various baths, including an open-air bath with panoramic sea views and a popular citrus bath for women. The specialty dish "Onsen Steam," made using the hot spring source, is a healthy and popular choice.

The highlight of Atagawa-kan is its breathtaking panoramic view of the ocean. You can also enjoy an open-air hot spring bath while feeling the sound of waves and the sea breeze. Relax and savor a peaceful moment with Izu Oshima right in front of you.

Spectacular panoramic open-air bath overlooking Sagami Bay and Izu Oshima. Luxurious buffet featuring "local gourmet × seasonal flavors" crafted by our head chef. Newly added "barrel sauna," "live kitchen," and "private open-air baths in guest rooms." Unlimited "ikura" (salmon roe) available daily!