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SETOUCHI RETREAT by Onko Chishin
Ehime Prefecture/Dogo Hot SpringAll-suite accommodations where you can surrender to the beauty of the Seto Inland Sea and refined architecture, and savor true tranquility.
[Michelin Guide Hiroshima & Ehime 2018: 5-Star+ (Red) Hotel] [One Michelin Key Award, two consecutive years (2024–2025)] Architectural design by Tadao Ando. Memorable indoor and outdoor spaces, including the signature indoor and outdoor pools and the jacuzzi at “ALL THAT SPA SETOUCHI.” A small luxury hotel with only seven all-suite rooms, each equipped with more than ample Facilities. Enjoy a stay where you can take in sweeping views of the magnificent Setouchi scenery through expansive glass windows and fully experience its natural bounty.
We stayed in the Forest View Semi-Open-Air Onsen Suite under the “Setouchi Retreat Aonagi 10th Anniversary Plan.” After touring Matsuyama, we chose it at my wife’s request as a base for heading to the Shimanami Kaido—and it exceeded our expectations.The building was originally designed by Tadao Ando as an art museum and guesthouse for Daio Paper (Eliere Square Matsuyama), and has been renovated and operated as a Hotel for the past 10 years. With its exceptionally luxurious museum-like design, and with artworks still displayed throughout, we were able to enjoy an extraordinary escape in a serene space with attentive service.Although nearly 30 years have passed since its completion in 1998, Ando’s signature exposed concrete has been beautifully maintained. The way the spaces are carved creates exquisite compositions of light, and you can truly feel the architect’s intent. We visited Ando’s “Saka no Ue no Kumo Museum” before coming here, but this was moving on an entirely different level.The Room layout—one Room per floor—was spacious, with a full glass wall on one side that created an open, seamless connection to the outdoors. The semi-open-air bath also includes a reclining bath area, allowing you to warm up from the core. Including the shared spaces reserved exclusively for just seven groups per day, I don’t know of another Hotel that feels this luxurious while offering such outstanding value.The private pool included as a perk was also a lavish experience; however, I found the sauna temperature too low to work up enough sweat, which was slightly disappointing.Dinner was creative Japanese cuisine from the 10th Anniversary Plan and everything was delicious, but I was especially impressed by the “steamed abalone sesame tofu” served after the main course. There are many great dishes in life, but few make you want to come back just to eat them again—this sesame tofu did. Its texture and perfect pairing with the sesame sauce made me feel it would be worth even a five-hour trip just for that one dish.Breakfast also showed careful craftsmanship in every item. My thanks to the chef.Finally, all staff were wonderful as well—it made for an excellent stay.Thank you very much.
わっきーわたさん 3/22/2026We stayed here as the highlight of our 25th wedding anniversary trip, visiting Dogo, Roadside Station Futami, Ozu’s Garyu Sanso and a sake shop, and Uchiko-juku.Thanks to the first spring gale, the Seto Inland Sea looked almost divine; after watching the sunset, we enjoyed a swim in the pool.The chef’s signature hot-pot kaiseki was exceptional—beautifully presented spiny lobster, Shikoku specialties such as noresore, yellowtail, abalone, and more.We also savored the flavorful hot pot with its golden broth. We thoroughly enjoyed pairings not only with spirits from Japan and abroad but also with Shikoku sake.Above all, our warm conversations with the waiter were a true delight.The next day we also visited the Tobe-yaki pottery fair; my wife was thrilled to buy some tableware. We met many wonderful people and made unforgettable memories.Thank you from the bottom of our hearts.
温泉と美味しいものでゆっ... 2/25/2026
Facilities and Services
See All- Hot spring
- Room with Open-Air Bath
- Spa facility
| IN | 15:00~19:30 |
|---|---|
| OUT | 11:00 |
| Number of rooms | 7 rooms |
| Pet | Not allowed |
| Your child | Permitted |
Photo
See AllNotice from the Accommodation
The “Infinity Pool,” extending out toward the Seto Inland Sea, will be OPEN again this year.
[Period] Wednesday, July 1, 2026 – Sunday, September 6, 2026 (tentative)
[Hours] 6:00 AM – Sunset
• Operating dates and hours may change depending on the day’s temperature and weather conditions.
The pool is not available in rainy weather.
• Available free of charge during your stay for overnight guests only.
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Introduction of the Accommodation

Naoshima, the central venue of the world-renowned Setouchi Triennale, is home to Tadao Ando’s iconic works such as the Chichu Art Museum and ANDO MUSEUM. Setouchi Retreat Aonagi stands alongside them as one of the Setouchi region’s signature “Ando architecture” destinations. Originally designed by architect Tadao Ando and partially opened to the public as the “Elleair Museum,” our property has now been renovated under his supervision and reborn as a small luxury Hotel overlooking the Setouchi Sea. Inspired by “Ao” (blue) for the sea and sky stretching out before you, and “Nagi” (calm) for the serene interior spaces, Tadao Ando has newly shaped this hidden retreat in Setouchi—Setouchi Retreat Aonagi. We invite you to experience it for yourself.
Infinity Pool
An iconic 30-meter outdoor pool extending toward the sea The ultimate infinity pool, where the water’s edge blends seamlessly into the Seto Inland Sea. Surrender to the calm sea and sky, and enjoy the gently smiling Setouchi Blue. Operating period: Early July to early September (typically each year)









Infinity Pool
Private pool (indoor pool, jacuzzi, and sauna)









Private pool (indoor pool, jacuzzi, and sauna)
Facility: Indoor pool (heated year-round), Onsen jacuzzi, sauna, 1 changing room, shower room - 15:00–23:00 (last admission 22:00) / 06:00–10:00 (last admission 09:00) *Open year-round - Fee applies *Private use: JPY 11,000 per hour (tax included) - Swimsuit rental: Free (one-size-fits-all available) (Children ages 5–15 must be accompanied by a guardian.) *Swimsuit rentals are limited in quantity; if you wish to use this service, please bring your own swimsuit.
Enjoy a serene, refined moment accompanied by the soothing sound of water from the waterfall and fountain seen through the large windows. On a plate of “tranquility,” we present pure, unclouded cuisine in simple pursuit of “true flavor.” Savor the culture and blessings of Iyo.









DINING
ALL THAT SPA SETOUCHI
A spa suite with only two Rooms, offering sweeping views of the beautifully blue Seto Inland Sea and its islands. Treatments are customized using original products rich in Setouchi’s natural blessings, such as yuzu, mandarin oranges, and buntan. Enjoy blissful all-hand treatments in a luxurious private setting.








ALL THAT SPA SETOUCHI
ART
- RIEKO KAWABE: Founder of Nippon Yagei Club and Nipponya Kobo; calligrapher and visual artist. - YUTAKA ONO: Gardener at Haen; born in 1981 in Ehime, Japan. - FRANK STELLA: Born May 12, 1936, in Boston; one of the leading Minimalist artists representing postwar American abstract painting.







Entrance / Moss Garden by Toyo Ono (Tomoe-en): “Nagi”
Group Hotel List

Iki Retreat Kairi Murakami by OKCS
The only “5-Pavilion” Accommodation on a remote island, featured in the MICHELIN Guide Fukuoka, Saga, Nagasaki 2019 Special Edition as a five-pavilion, luxurious top-class Ryokan. Yunomoto Onsen, the only Onsen on Iki. Iki Retreat Kairi Murakami is located on a hill overlooking Yunomoto Bay. Please enjoy the scenery selected among Japan’s Top 100 Views and seasonal ingredients freshly harvested right before your eyes.

Goto Retreat ray by Onko Chishin
Winner of the FY2023 Good Design Award (Organizer: Japan Institute of Design Promotion) Winner of the Interior Planning Award 2023 – Grand Prize The Goto Islands once served as a port of call for Japanese missions to Tang China and as places of worship for Hidden Christians. In addition, area-wide development is being promoted under the Goto City Geopark initiative, which aims to revitalize the region through its natural heritage.

Cuvee J2 Hotel Osaka by Onko Chishin
One Room per floor, 11 Rooms in total. The world’s first official Champagne Hotel, featuring a semi-open-air anytime bath in every Room. A celebratory place worthy of special moments. Savor each exquisite glass from the Maison alongside a proud story where art and history come alive.

Hotel La Vigne Hakuba by Onko Chishin
An alpine Resort Hotel with mountain views, where you can luxuriate in breathtaking scenery through every season. Nature Retreat. The Northern Alps vividly reflecting the changing seasons. Terroir told through Japanese wine. Embraced by nature, savoring space and stillness. A place to meet the you of tomorrow. All 38 Rooms are corner Rooms with mountain views—an alpine Resort Hotel.

Izu Retreat Atagawa Suiko by Onko Chishin
A “nostalgic luxury” Onsen retreat where a sense of nostalgia meets refined comfort. Every room features a private open-air bath with free-flowing natural hot spring water, letting you fully enjoy the unique charm of Atagawa, a seaside Onsen town filled with the sound of the waves.

Otaru Retreat Kuragroup by Onko Chishin
An all-inclusive Accommodation designed by architect Makoto Nakayama, where a traditional storehouse aesthetic and Japanese style blend in harmony. Each guest room has its own distinct character, from the interior design to the furnishings. Enjoy a refined stay in a quiet, nature-surrounded setting in Otaru’s port town.
Facilities and Equipment of Accommodation
- The room
- Facilities & Services
- Meal
Basic Information
| Taxes | A separate Hot Spring Tax of 150 yen will be charged. |
|---|---|
| Card information | VISA / MASTER / JCB / AMEX / DINERS |
| Pets | Not allowed |
| Breakfast | DINING 8:00–10:00 (Last order 9:30) [Japanese Breakfast] Enjoy a wide variety of small dishes featuring local Matsuyama specialties. |
| Your child | You can stay. [Semi-Open-Air Onsen Suite with Panoramic View]
Only this Room type is available for guests with children of any age. If you are traveling with children of elementary school age or younger, please select this Room type.
*The dinner venue will be arranged flexibly based on the day’s Reservation status and your child’s age.* |
| Room service | Available for use We offer drinks only. No food menu is available.
(15:00–23:00) |
| Common amenities |
|
| Facilities and Features |
|
| Outdoor pool |
|
| Indoor pool |
|
| Esthetic Massage | Available ALL THAT SPA Setouchi
Original treatments using creams and oils made with natural ingredients nurtured by Japan’s rich nature.
Body Treatment
60 min: JPY 15,400 / 90 min: JPY 22,000
Facial Treatment
60 min: JPY 17,600 / 90 min: JPY 26,400
Setouchi Herbal Remedy
90 min: JPY 24,200
(Body 50 min + Herbal Bowl 30 min + Foot Bath 10 min) |
| Fitness gym | None |
| Room with Open-Air Bath |
|
| Spring quality and benefits | Simple mildly radioactive cold mineral spring (hypotonic, mildly alkaline) Gout, hypertension, arteriosclerosis, chronic skin conditions, chronic gynecological conditions, chronic cholecystitis, gallstones |
| Sauna | Available |
| Hot stone spa | None |
| Others | The Cancellation Fee is as follows: Same day / 1 day prior: 100% of the Accommodation Fee From 3 days prior: 50% of the Accommodation Fee From 7 days prior: 30% of the Accommodation Fee From 14 days prior: 10% of the Accommodation Fee *Even in the event of natural disasters (heavy snow, typhoons, etc.), the prescribed Cancellation Fee will apply. However, if major transportation services are suspended and you are unable to reach our Accommodation, no Cancellation Fee will be charged. |
Reviews
- Rooms & Amenities4.82
- Facility4.84
- Hospitality & Service4.98
- Meals4.77
- Onsen & Bath4.64
- Satisfaction4.84
*Reviews that have been translated from Japanese.*
*Showing only reviews from 一休.com (Japanese) and Yahoo!トラベル.*
Access Information
Ehime Prefecture794-1 Yanagidani-cho, Matsuyama City
TEL:+81-89-977-9500
50 minutes (30 km) from Matsuyama Airport
35 minutes (18 km) from JR Matsuyama Station
30 minutes (15 km) from Dogo Onsen
50 minutes (30 km) from Matsuyama Tourist Port
40 minutes (25 km) from Matsuyama IC
70 minutes (45 km) from Imabari on the Shimanami Kaido via Hojo Route 196
Kawauchi IC → turn left onto the loop road toward Dogo → head toward Hakusuidai / Iidai
Matsuyama IC → turn left onto the loop road toward Dogo → head toward Hakusuidai / Iidai
Matsuyama Tourist Port → Chuo Fire Station → pass Ehime University Faculty of Science, then turn left → head toward Hakusuidai / Iidai
- Parking Information
- Fee
- Free for guests
- Parking time
- From 2:30 PM on your check-in day to 11:00 AM the following day (until 12:00 PM only with late check-out).
- Parking space
- No restrictions
- Number of parking spaces
- 7 cars available outdoor
- Valet service
- Unavailable
[For guests wishing to arrive by their own boat]
Please use the nearest facility, Matsuyama Horie Sea Station (Umitterasu).
- Pickup and drop-off information
- Available (Paid)・Matsuyama Airport (in front of the Domestic Arrivals exit): JPY 4,500 one way
・JR Matsuyama Station (Central Gate, West Exit): JPY 3,500 one way
・Dogo Onsen Station (taxi stand in front of the station): JPY 3,500 one way
・Matsuyama Tourist Port (near the main entrance): JPY 4,500 one way
・Matsuyama Castle (Ropeway lower station): JPY 3,500 one way
Shuttle Service can be arranged from the five locations above.
For your return trip, Shuttle Service is also available to the same locations listed above.
Frequently Asked Questions
What are the qualities and benefits of the hot spring water?
The spring quality and efficacy of the hot spring are as follows. ・Spring quality: Simple mildly radioactive cold mineral spring (hypotonic, mildly alkaline) ・Spring efficacy: Gout, hypertension, arteriosclerosis, chronic skin conditions, chronic gynecological conditions, chronic cholecystitis, gallstones
What kind of facilities and features are available?
There are the following facilities and features. Hot spring・Rooms with open-air baths available・Sauna・Indoor pool・Outdoor pool・Spa facility・Shuttle Service (Paid)・Room service
I would like to know the access information.
50 minutes (30 km) from Matsuyama Airport 35 minutes (18 km) from JR Matsuyama Station 30 minutes (15 km) from Dogo Onsen 50 minutes (30 km) from Matsuyama Tourist Port 40 minutes (25 km) from Matsuyama IC 70 minutes (45 km) from Imabari on the Shimanami Kaido via Hojo Route 196 Kawauchi IC → turn left onto the loop road toward Dogo → head toward Hakusuidai / Iidai Matsuyama IC → turn left onto the loop road toward Dogo → head toward Hakusuidai / Iidai Matsuyama Tourist Port → Chuo Fire Station → pass Ehime University Faculty of Science, then turn left → head toward Hakusuidai / Iidai
Is parking available?
・Fee: Free for guests ・Parking Hours: From 2:30 PM on your check-in day to 11:00 AM the following day (until 12:00 PM only with late check-out). ・Parking space: Length --- Vehicle width --- Vehicle height --- ・Number of parking spaces: 7 cars ・Valet Service: Unavailable If you will be arriving in a low-clearance vehicle or a large vehicle, please contact us in advance. [For guests wishing to arrive by their own boat] Please use the nearest facility, Matsuyama Horie Sea Station (Umitterasu).
Is an internet connection available?
Connection is possible. ・Wi-Fi is available. For more details, please refer to the room and plan information.
Is there a sauna?
Yes, there is.
Do you have esthetic massages?
Yes, there is. ALL THAT SPA Setouchi Original treatments using creams and oils made with natural ingredients nurtured by Japan’s rich nature. Body Treatment 60 min: JPY 15,400 / 90 min: JPY 22,000 Facial Treatment 60 min: JPY 17,600 / 90 min: JPY 26,400 Setouchi Herbal Remedy 90 min: JPY 24,200 (Body 50 min + Herbal Bowl 30 min + Foot Bath 10 min)
Themes related to this accommodation
The hotel group associated with this accommodation
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