Sanyo-so
With a stay at Sanyo-so in Izunokuni (Izu Nagaoka Onsen), you'll be a 1-minute drive from Izunagaoka Hot Spring and 6 minutes from Katsuragiyama Ropeway. This ryokan is 11. 4 mi (18. 3 km) from Mishima Sky Walk and 17. 4 mi (28. 1 km) from Lake Ashi. Enjoy recreational amenities such as hot springs and an indoor pool. Featured amenities include luggage storage and an elevator. Planning an event in Izunokuni? This ryokan has facilities measuring 1658 square feet (154 square meters), including conference space. Free self parking is available onsite. Grab dinner at Shokuji Dokoro, a restaurant that specializes in Japanese cuisine. You can also grab snacks at the coffee shop/café. Breakfast is available for a fee. Make yourself at home in one of the 36 air-conditioned rooms featuring refrigerators. Bathrooms have complimentary toiletries and toilets with an electronic bidet. Conveniences include safes and in-room massages.
Guest scores & sentiment
From 80 guest reviews · multi-source · as of 2026-07-23
Guests praise the traditional atmosphere, beautiful gardens, attentive service, private onsens, and kaiseki dining. Main complaints involve firm beds, aging facilities with some stains, limited evening food options, and lack of nearby attractions.
Dimension scores · cross-source
KEYIdeal for those seeking tranquility. Avoid if you prefer soft beds or need late-night dining/entertainment nearby.
Room types · 10
Room photos, bedding & descriptions; live rates & booking live on FlyerTrip (no checkout here).
Japanese-Style Suite - New Building with Private Hot Spring Bath
The spacious family room provides air conditioning, tatami, as well as a private bathroom featuring a bath and a shower. The unit offers 8 futons.
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New Building Japanese Style Suite Room,Non smoking
<p><strong>2 Twin Beds and 6 Twin Futons</strong></p><p>1516-sq-foot room with garden views </p><br/><p><b>Layout</b> - Tokonoma (alcove) and fusuma (room partition)</p><p><b>Relax</b> - In-room massage available</p><p><b>Internet</b> - Free WiFi 50+ Mbps </p><p><b>Entertainment</b> - 43-inch TV with digital channels</p><p><b>Food & Drink</b> - Mini-fridge, minibar (fees may apply), electric kettle, and free bottled water</p><p><b>Sleep</b> - Bed sheets </p><p><b>Bathroom</b> - Private bathroom, spring water bathtub </p><p><b>Practical</b> - Yard, safe, and phone; extra futon mattress (free) available on request</p><p><b>Comfort</b> - Daily housekeeping and climate-controlled heating and air conditioning</p><p><b>Accessibility</b> - Bathroom emergency pull cord</p><p><b>Need to Know</b> - Housekeeping on request</p><p>Non-Smoking</p>
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Main Building Japanese Style Suite Room,Non smoking
<p><strong>8 Twin Futons</strong></p><p>1451-sq-foot room with garden views </p><br/><p><b>Layout</b> - Tokonoma (alcove) and fusuma (room partition)</p><p><b>Relax</b> - In-room massage available</p><p><b>Internet</b> - Free WiFi 50+ Mbps </p><p><b>Entertainment</b> - 43-inch TV with digital channels</p><p><b>Food & Drink</b> - Mini-fridge, minibar (fees may apply), electric kettle, and free bottled water</p><p><b>Sleep</b> - Bed sheets </p><p><b>Bathroom</b> - Private bathroom, spring water bathtub </p><p><b>Practical</b> - Yard, safe, and phone; extra futon mattress (free) available on request</p><p><b>Comfort</b> - Daily housekeeping and climate-controlled heating and air conditioning</p><p><b>Accessibility</b> - Bathroom emergency pull cord</p><p><b>Need to Know</b> - Housekeeping on request</p><p>Non-Smoking</p>
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Standard Japanese-Style House - Annex with Private Hot Spring Bath
The spacious family room features air conditioning, tatami as well as a private bathroom boasting a bath and a shower. The unit has 5 futons.
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Deluxe Room with Tatami Area - New Building with Private Hot Spring Bath
The spacious family room offers air conditioning, tatami, as well as a private bathroom featuring a bath and a shower. The family room features an electric kettle, yukata, heating and a flat-screen TV with satellite channels. The unit offers 2 beds and 3 futons.
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New Building Deluxe Japanese-Western Room, Non Smoking
<p><strong>2 Twin Beds</strong></p><p>985-sq-foot room with mountain views </p><br/><p><b>Layout</b> - Tokonoma (alcove) and fusuma (room partition)</p><p><b>Relax</b> - In-room massage available</p><p><b>Internet</b> - Free WiFi 50+ Mbps </p><p><b>Entertainment</b> - 43-inch TV with digital channels</p><p><b>Food & Drink</b> - Mini-fridge, minibar (fees may apply), electric kettle, and free bottled water</p><p><b>Sleep</b> - Bed sheets </p><p><b>Bathroom</b> - Private bathroom, spring water bathtub </p><p><b>Practical</b> - Yard, safe, and phone; extra futon mattress (free) available on request</p><p><b>Comfort</b> - Daily housekeeping and climate-controlled heating and air conditioning</p><p><b>Accessibility</b> - Bathroom emergency pull cord</p><p><b>Need to Know</b> - Housekeeping on request</p><p>Non-Smoking</p>
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Deluxe Japanese Room - Annex, Non Smoking
<p><strong>2 Twin Beds and 3 Twin Futons</strong></p><p>893-sq-foot room, located in an annex building, mountain views</p><br/><p><b>Layout</b> - Tokonoma (alcove) and fusuma (room partition)</p><p><b>Relax</b> - In-room massage available</p><p><b>Internet</b> - Free WiFi 50+ Mbps </p><p><b>Entertainment</b> - 43-inch TV with digital channels</p><p><b>Food & Drink</b> - Mini-fridge, minibar (fees may apply), electric kettle, and free bottled water</p><p><b>Sleep</b> - Bed sheets </p><p><b>Bathroom</b> - Private bathroom, spring water bathtub </p><p><b>Practical</b> - Yard, safe, and phone; extra futon mattress (free) available on request</p><p><b>Comfort</b> - Daily housekeeping and climate-controlled heating and air conditioning</p><p><b>Accessibility</b> - Bathroom emergency pull cord</p><p><b>Need to Know</b> - Housekeeping on request</p><p>Non-Smoking</p>
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Japanese-Style Deluxe Room - New Building with Private Hot Spring Bath
(83㎡～102㎡) There is a tatami living room and a bedroom or two tatami rooms (You can sleep on futons in the 2 tatami room). Offering a relaxing ambiance and historic charm, this spacious room comes with a TV, a seating area and a fridge. Guests can try on yukata robes and unwind with a cup of tea, made with an electric kettle and tea bags in the room. The room has a hot spring bathroom.
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Japanese-Style Standard Room - New Building with Private Hot Spring Bath
(63㎡～71㎡) There is a tatami living room and a bedroom. Offering a relaxing ambiance and historic charm, this room comes with a TV, a seating area and a fridge. Guests can try on yukata robes and unwind with a cup of tea, made with an electric kettle and tea bags in the room. The room has a hot spring bathroom.
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Standard Japanese Room - Annex, Non Smoking
<p><strong>2 Twin Beds and 2 Twin Futons</strong></p><p>678-sq-foot room, located in an annex building, mountain views</p><br/><p><b>Layout</b> - Tokonoma (alcove) and fusuma (room partition)</p><p><b>Relax</b> - In-room massage available</p><p><b>Internet</b> - Free WiFi 50+ Mbps </p><p><b>Entertainment</b> - 43-inch TV with digital channels</p><p><b>Food & Drink</b> - Mini-fridge, minibar (fees may apply), electric kettle, and free bottled water</p><p><b>Sleep</b> - Bed sheets </p><p><b>Bathroom</b> - Private bathroom, spring water bathtub </p><p><b>Practical</b> - Yard, safe, and phone; extra futon mattress (free) available on request</p><p><b>Comfort</b> - Daily housekeeping and climate-controlled heating and air conditioning</p><p><b>Accessibility</b> - Bathroom emergency pull cord</p><p><b>Need to Know</b> - Housekeeping on request</p><p>Non-Smoking</p>
Rates / book on FlyerTrip →Facilities · 49
All facilities & services listed by the hotel (aggregated across sources).
Nearby & map
Click a row to locate it · distances are approximate. Data from Overture / Michelin / Wikidata.