Nationwide × Accommodation With Radon OnsenRecommended Hotel·Ryokan for family trips

Opening in June 2025, our facility is located on the serene coastline of Shiokumi Beach in northern Kyoto Prefecture. Guests can indulge in a rare natural radon Onsen with a luxurious source-flowing indoor bath, private heated pool or open-air rock bath, and enjoy exclusive saunas available in every room. Savor an authentic yakiniku dinner prepared with care and served in your room, accompanied by the soothing sound of waves and the scent of the sea, offering a true taste of nature's bounty. With breathtaking views of the Sea of Japan that change with each season and lush green mountains surrounding you, we provide a luxurious retreat where you can refresh both body and mind away from everyday life. Experience blissful moments as time flows gently by, embraced by nature and the healing power of Onsen.

Surrounded by the natural beauty of Setouchi, we offer you a tranquil and warm retreat. Our lobby lounge, filled with natural light, features a terrace with a foot bath. Rooms are intentionally designed without televisions to provide an escape from daily life and allow for true relaxation. Our pride is the Onsen, offering rare high-concentration radon hot springs directly sourced and flowing continuously. Experience alternating hot and cool baths to promote circulation, relieve fatigue, and refresh both body and mind. The mildly alkaline water is gentle on the skin with beautifying effects, enriched with minerals from ancient geological layers—enjoy this "ancient Onsen" at your leisure. The lounge includes a mini-library where you can explore carefully selected books or try glass pens paired with Sailor Ink made in Hiroshima/Kure at your convenience. At dusk, admire the twilight over Seto through large windows; by nightfall, relax by the soft flicker of our bioethanol fireplace.Throughout our facility, you'll find wallpaper crafted from local textile company paper cloth (Shifu) as well as works by Japanese washi artist Eriko Horiki—designs that harmonize beautifully with regional culture.At the "Hidamari Counter" next to the lobby, enjoy complimentary drinks or sample local spirits; in the evening, savor special late-night snacks prepared by our chef.

A historic accommodation established in the first year of the Meiji era, located in Misasa Onsen, renowned for its world-class radon content and registered as a National Tangible Cultural Property. Enjoy a rejuvenating journey with unique onsen directly sourced from beneath your feet, indigo dyeing experiences, Ondol yoga, Mitokusan tours (forest bathing), and various other activities to soothe your mind and body.

Nestled within the Aichi Kogen Quasi-National Park, Sarunabe Onsen "Kinsen-kaku" offers a serene retreat. Enjoy the beauty of nature throughout the seasons and rejuvenate your body and mind with our rare Radon Onsen. The guest rooms and large public baths have been newly renovated, and private open-air baths have also been added. Each guest room features a semi-open-air bath where you can fully experience the Radon Onsen. Savor healthy kaiseki cuisine made with fresh local ingredients.

The sea where the Kuroshio Current dances, and a star-filled sky from the southernmost tip of Shikoku. A Property located near Cape Ashizuri, boasting fresh seafood and a natural radon Onsen. Enjoy the expansive natural views through the large windows throughout the Property, and relax in the soothing radon Onsen overlooking the sea. Meals feature an abundance of Pacific Ocean seafood, including the bold and authentic katsuo no tataki (seared bonito). At night, gaze at the starry sky from the Hotel rooftop, and in the morning, take an early walk to the Hakusan Domon. Perfect for a journey to fully experience the charm of Ashizuri.

20 minutes by car from Miyajimaguchi Ferry Terminal. Surrounded by the sea, mountains, and waterfalls. Blue skies and starry nights. The scent of the wind.Immerse yourself in an Onsen while experiencing the breath of each season with all your senses, savor seasonal flavors, and heal your soul. With a deep breath, IBUKU was born.The Main Building features a warm wooden design and luxurious craftsmanship furniture that envelops you in comfort. The Annex offers 10 unique open-air bath suites inspired by seasonal plants and colors, each with its own interior design, fabrics, and garden.Located within "Miyahama Onsen," the closest Onsen resort to Miyajima, IBUKU provides natural hot spring water to every guest room. The spring water is a simple weak radioactive radon-rich type known for its benefits for neuralgia, rheumatism, health improvement, hemorrhoids, joint pain, fatigue recovery, gynecological issues among others.Luxurious moments begin with luxurious spaces. From sunrise to sunset and into nights illuminated by the moon and stars—experience the essence of Miyahama Onsen at IBUKU as you unwind during your time in Hiroshima.

Misasa Onsen in Tottori Prefecture is one of Japan’s finest hot springs, said to cure illness if you greet three mornings here.At Blancart Misasa, a wellness-focused Accommodation located along the Mitoku River that runs through the heart of Misasa Onsen, we hope to support guests seeking better health. We offer our own dedicated Facility for “Radon Hot Air Bathing,” an onsen bathing method considered one of the most efficient ways to absorb the benefits of radon.We also offer a variety of dining Plans featuring seasonal ingredients that Sanin Tottori is proud of. In nature-rich Misasa Town, please visit Blancart Misasa—not only as a base for sightseeing and leisure, but also as a place that stays close to those seeking rest and rejuvenation.

Enjoy Misasa’s hot springs—renowned for over 850 years—in complete privacy in your Room’s open-air bath. With high ceilings and a spacious living area, this airy retreat promises deep relaxation that lets you lose track of time. Savor exceptional seasonal flavors from the San’in region and indulge in a special stay away from everyday life. After enjoying the bath in your Room, take a short trip to “Hanareyu Ujo” or “Hanareyu Yakumo” to experience hot springs with a different atmosphere.

A tranquil Accommodation nestled in Arima Onsen, offering 15 diverse Room types—including Japanese-style, Western-style, and Japanese-Western rooms—suitable for a variety of occasions. The baths use our own natural Gin-sen (silver spring) source and feel gentle on the skin, with six options including a sauna, walking bath, and cascading shower. For dining, we offer Waraku featuring plenty of seasonal ingredients, and Yuraku highlighting fresh spiny lobster and premium Japanese black wagyu beef.

Please enjoy the seasonal dishes made with fresh ingredients at "Ajino Mansuirou" and the world-renowned radium hot spring with a history of 850 years.

Matsuba Onsen Taki no Yu in Kaizuka City, Osaka Prefecture. Enjoy the sound of waterfalls and the murmuring of the river while savoring local cuisine. Relax in the natural Radon Onsen and indulge in a blissful moment to soothe both body and mind.

Izanro Iwasaki is an Accommodation beloved by the Imperial Family and renowned artists and writers, featuring one of the world’s finest Onsen waters and 12 distinctive baths. Enjoy carefully selected seasonal ingredients prepared with exceptional skill, along with heartfelt hospitality rooted in tradition. Just 2.5 hours from Tokyo, Misasa Onsen in Tottori offers a “world-class radium Onsen” and carefully selected San’in ingredients—our entire team at Izanro Iwasaki looks forward to welcoming you.

A natural Onsen Accommodation with three private hot spring sources on the grounds, boasting the largest volume of hot spring water in Misasa. In a peaceful setting away from the crowds, you can enjoy the changing beauty of each season. Soothe your everyday fatigue with seasonal cuisine made with local ingredients and a variety of baths featuring free-flowing water direct from the source.[Final meal start time]Dinner at our Accommodation must begin by 19:00.If you arrive after 19:00, we may be unable to prepare dinner.(Even if dinner cannot be provided, no refund will be issued for the dinner fee.)

Since its founding in 1932, the antique-like Japanese Accommodation “Ryokan Ohashi” has stood unchanged. Each guest room features a one-of-a-kind design, and the natural Onsen that springs up from underground vividly conveys the passage of time. Please relax and enjoy your stay at ease.

4 minutes walk from Tanimachi Yonchome Station (subway) Exit 4. 10 minutes walk from Sakaisuji Honmachi Station (subway) Exit 12.

Yoro Onsen Honkan, a property exuding historical charm. Enjoy the natural radon onsen with skin-beautifying effects while admiring the Showa retro-style mosaic-tiled walls. Experience a relaxing moment reminiscent of a nostalgic public bath.

Suwaya is a small property that accommodates only four groups of guests per day. Meals are served in your room or a semi-private space, allowing you to savor seasonal flavors in a tranquil setting. Additionally, we provide a private bath for you to enjoy a relaxing bathing experience without concern for other guests.

Nestled on the banks of the Chikugo River, Hotel Hana-Keshiki is a tranquil Onsen Ryokan in Ukiha City, Fukuoka Prefecture. From our riverside guest rooms, you can enjoy views of the gentle flow of the Chikugo River. Our proud private hot spring source is a 100% free-flowing natural spring with abundant output containing natural radon. This alkaline sulfur Onsen, known as a “beauty bath,” features a silky-smooth feel on the skin. In addition to the large public bath, you can also enjoy touring five different private family baths, each with its own unique atmosphere. For dining, we offer Japanese kaiseki cuisine featuring seasonal local ingredients nurtured by Ukiha’s rich nature. Listen to the murmuring river and spend a soothing moment that lets you forget everyday life.

A property conveniently located for access to the Miyajima ferry and Iwakuni's Kintai Bridge. Designed around a traditional Japanese garden featuring seasonal flowers, trees, and a pond with koi fish, illuminated at night. All rooms are Japanese-style, some offering views of the garden or sea, and equipped with Wi-Fi. Experience the natural radon-rich onsen, promoting cell activation and natural healing. Proudly serving Kaiseki cuisine utilizing ingredients from Hiroshima.

[Opening March 2026] About a 35-minute drive from central Fukuoka. “SAND” is Itoshima’s first conceptual Onsen Accommodation, surrounded by mountains and the sea in a lush natural setting.In four villas built right on the beach, enjoy breathtaking views and your own private natural Onsen.Each villa also features a kitchen and BBQ facilities—perfect for savoring local Itoshima ingredients or bringing your favorite foods to cook together.Ideal for families, friends, and couples alike, select connecting villas can accommodate group stays of up to 11 guests.Soak in a natural Onsen at this ocean-view private villa rental and take in the ever-changing sky to your heart’s content.