Okawa Onsen × Stays Popular For SunsetsHot springRecommended Hotel·Ryokan for couples/married couples

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.

"Omuro no Mori Gyokusui" is a Property with nine Rooms, located on a hill in Izu Kogen, offering a view of the sea. Gyokusui was born in the land of Izu Atagawa over a hundred years ago. Since then, it has spanned four eras, cherishing the unchanging essence that remains constant, while continuously evolving to meet the satisfaction of our guests. Rooms, Onsen, cuisine, the Property itself, and our hospitality— we weave together the unchanging and the ever-changing, pursuing greater satisfaction for our guests. Embrace the story of what changes and what remains unchanged. Please enjoy the tale we have woven for you.