[Izu Nagaoka Onsen Sanyo-so] Limited-time Offer: 'Showa-era Guest Hospitality Accommodation Plan' for a Stay Evoking the Atmosphere of Yesteryear
Izu Nagaoka Onsen Sanyo-so will offer a limited-time 'Showa-era Guest Hospitality Accommodation Plan' from May 6, 2026, allowing guests to experience the ambiance inherited since its opening. The plan includes a stay in the 'Miyuki' guest room, a Registered Tangible Cultural Property in the main building, kaiseki cuisine recreating Showa-era menus, and strolls through the Japanese garden.
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- 📰 Published: April 4, 2026 at 01:20
Izu Nagaoka Onsen Sanyo-so (Location: 270 Aza-ue, Izunokuni City, Shizuoka Prefecture; General Manager: Masahiro Yoshiura) will sell the 'Sanyo-so Showa-era Guest Hospitality Accommodation Plan' for a limited period from May 6 (Wednesday) to May 31 (Sunday), 2026.
Since its opening in 1947 (Showa 22), Sanyo-so has preserved its charm through the ages. To mark the 100th year of Showa (if the Showa era had continued, 2026 would be Showa 101), we have prepared a special stay that allows guests to feel the atmosphere of yesteryear. Accommodation is in the 'Miyuki' guest room of the main building, a Registered Tangible Cultural Property. Built in 1957 (Showa 32), it is a prestigious space that has welcomed many honored guests. You can enjoy a relaxing time in a tranquil space surrounded by historical designs. The garden is a strolling Japanese garden created by Jihei Ogawa. Please enjoy a stroll through the garden, which shows different expressions each season, and the tranquility brought by the free-flowing hot spring.
For dinner, kaiseki cuisine reconfigured based on menus from the Showa era will be served in a private room of the main building, which was built in 1929 (Showa 4) as the villa of Mr. Hisaya Iwasaki. Additionally, upon request, guests will be guided through the main building, a Registered Tangible Cultural Property, the new building designed by Togo Murano, and the Japanese garden. Japan's beauty and hospitality remain timeless. Please enjoy a special moment touching the memories of the Showa era.
Features of the Sanyo-so Showa-era Guest Hospitality Accommodation Plan
●Kaiseki cuisine reconfigured based on Showa-era menus will be served in a private room of a Registered Tangible Cultural Property.
●Guests will be guided through the main building, a Registered Tangible Cultural Property, the new building designed by Togo Murano, and the Japanese garden by a guide.
'Sanyo-so Showa-era Guest Hospitality Accommodation Plan' Overview
【Period】May 6 (Wednesday) - May 31 (Sunday), 2026 *Bookings start April 6 (Monday)
【Content】1 night with dinner and breakfast, meals in a private room of a Registered Tangible Cultural Property, accommodation in the 'Miyuki' guest room of the main building
【Price】From ¥59,000 per person when 2 guests use one room
*Price includes service charge and consumption tax.
【Inquiries】TEL: 055-947-1240 (Direct booking line) *Reception hours: 9:30 A.M. - 5:30 P.M.
【Example Stay】
●3:00 P.M. Check-in
The 'Miyuki' guest room in the main building, built in 1957 (Showa 32).
Step into a historically rich ambiance for a special stay.
●4:00 P.M. Enjoy the free-flowing hot spring
Relax and rejuvenate your mind and body in the Izu Nagaoka Onsen. Enjoy a healing moment in the large communal bath or the free-flowing hot spring in your room.
●6:30 P.M. Dinner in a private room of a Registered Tangible Cultural Property
Kaiseki cuisine reconfigured based on Showa-era menus will be served in a private room of a Registered Tangible Cultural Property.
Enjoy the flavors that evoke the atmosphere of that era in a space nurtured by history.
●Next 8:00 A.M. Breakfast in a private room of a Registered Tangible Cultural Property
Enjoy a colorful twelve-section bento while admiring the Japanese garden.
●9:30 A.M. Guided tour of Sanyo-so
A guide will show you around the main building, a Registered Tangible Cultural Property, the new building designed by Togo Murano, and the Japanese garden. (If you wish to join, please inform us when making your reservation.)
●11:00 A.M. Check-out
【National Registered Tangible Cultural Property】
The Sanyo-so main building was constructed in 1929 (Showa 4) as the villa of Mr. Hisaya Iwasaki, the eldest son of the founder of the former Mitsubishi zaibatsu, Yatoro Iwasaki, as an elegant sukiya-style Japanese architectural residence within a magnificent Japanese garden created by Kyoto gardener Jihei Ogawa. In June 2017 (Heisei 29), it was registered as a Tangible Cultural Property by the Agency for Cultural Affairs as a valuable national asset.
Registered Tangible Cultural Properties: Entrance/Tea Room building, Guest Room building, Central building, Living Room/Study building, Miyuki-no-Ma, Waiting room, Roji Gate
*Images are for illustrative purposes only.
*Content is accurate as of the release date (April 3) and may be subject to change.
FAQ
When can I use the 'Showa-era Guest Hospitality Accommodation Plan'?
It is available for a limited period from May 6 (Wed) to May 31 (Sun), 2026. Bookings start on April 6 (Mon).
What are the main attractions of this plan?
Guests can enjoy staying in the 'Miyuki' guest room of the main building, a Registered Tangible Cultural Property, kaiseki cuisine recreating Showa-era menus, and special guided tours of the Japanese garden and the facility.
How much does this plan cost?
The price starts from 59,000 JPY per person when two guests use one room. Service charge and consumption tax are included.