Cobblestone courtyard and wooden entrance of Sanyo-so with tiled roof and forested hillside in Shizuoka, Chūbu
Manicured Japanese garden with pond and ryokan buildings at Sanyo-so in Shizuoka, Chūbu
Tatami room with low table, shoji screens and bedding at Sanyo-so in Shizuoka, Chūbu Japan
Assorted traditional Japanese course dishes on lacquered tableware at Sanyo-so ryokan in Shizuoka, Chūbu
Wooden compartment box with assorted small Japanese dishes, grilled fish, pickles and simmered items at Sanyo-so Shizuoka
Indoor wooden onsen bath with stone edges and garden view at Sanyo-so, Chubu Shizuoka
Traditional tatami room with bedding, shoji screens, garden view and seating at Sanyo-so, Shizuoka
Tranquil Japanese garden pond with trees and traditional ryokan buildings at Sanyo-so in Shizuoka

Sanyo-so

8.8
This Ryokan has an overall rating of 8.8/10, based on 93 reviews. ? Our score combines two signals: 50% based on traveler sentiment and guest feedback found online, and 50% based on our internal on-site evaluation plus ratings from verified travelers on our platform, who must provide proof of stay.
? This ranking compares properties in the same region. It is based on the overall rating and the number of reviews, using a weighted score so properties with more review data are ranked more fairly.
Check-in from 3:00 PM
Garden Setting Mountain Setting Hot Spring Town Hot Spring Bath Open-Air Bath Kaiseki Cuisine
Staff 9,0/10
Facilities 9,0/10
Cleanliness 9,0/10
Comfort 9,0/10
Value for money 8,0/10
Location 8,0/10

Ryokan highlights

A historic garden ryokan in Izu Nagaoka Onsen known for refined hot-spring stays and classic Japanese atmosphere.

Vast Japanese GardenSet within a 3,000-tsubo garden with ponds, seasonal colors, and tranquil walking paths.
Historic Ryokan CharacterTraditional architecture and long-established atmosphere create a distinctly classic ryokan stay.
In-Room Hot SpringsAll rooms are supported by flowing hot spring baths for private, easy soaking.
Refined Kaiseki DiningSeasonal kaiseki meals are a standout part of the stay experience.
Quiet Onsen SettingDetached, garden-rich layout gives the property a calm and secluded feel.
Easy Station AccessAbout five minutes by taxi from Izu-Nagaoka Station, convenient for rail travelers.

Who is this ryokan best for?

Recommended stay1-2 nightsDining is the strongest stay driver here: arrive in time for an early check-in, enjoy the garden and baths before dinner, sleep in a quiet tatami setting, then have breakfast and either move on or add one more night for a slower Izu-Nagaoka and nearby Panorama Park rhythm.
Trip-planning verdict: Best used as a high-end onsen retreat in Izu-Nagaoka for 1 to 2 nights, not as a dense sightseeing base or rail-convenient hub.

Know before booking

Not a rail hubGood for a ryokan stay, but less efficient if you want fast station-to-station touring every day.
Easy to overstayThe inn itself is a major draw, but the immediate area is calmer than major city sightseeing bases.
Large groundsSome rooms sit deep inside the garden estate, so internal walking can be longer than expected.

Food & drinks

A historic high-end ryokan in Izunokuni with seasonal on-site kaiseki dining, a lounge, and an evening bar.

Dining Room Yuho (on-site)
on-site

Main on-site dining room for breakfast and seasonal kaiseki dinners.

  • Seasonal kaisekifoodMulti-course Japanese dinner with local ingredients.
  • Izu rice breakfastfoodJapanese breakfast with local Izu Koshihikari rice.
  • Suruga Bay seafoodspecialtyRegional seafood featured in courses.
  • Shojin coursefoodVegetarian Buddhist-style course on request.
Aoi Lounge (on-site)
on-site

Renovated lounge with drinks and a relaxed tea-time feel.

  • CoffeedrinkSimple café-style drink option.
  • TeadrinkHot tea in a calm lounge setting.
  • Light refreshmentsfoodLight lounge snacks may be available.
Bar Kanogawa (on-site)
on-site

Classic evening bar for refined drinks after dinner.

  • CocktailsdrinkBartender-made evening drinks.
  • WhiskydrinkClassic bar pour in a traditional room.
  • WinedrinkElegant after-dinner option.

Access, transport and nearby sights

This ryokan is in the Izu-Nagaoka area of Izunokuni and is most conveniently reached via Izu-Nagaoka Station, usually with a short taxi ride for luggage.

Distances are approximate and calculated from the ryokan coordinates. Travel times may vary depending on route, traffic and schedules.

Should you choose this ryokan?

This is a high-end historic ryokan in Izunokuni’s Izu Nagaoka Onsen area, best suited to travelers who value atmosphere, gardens, and traditional Japanese hospitality over modern hotel convenience. It is a strong choice for a quiet cultural stay, but less ideal if you want contemporary rooms, flexible dining, or easy tattoo-friendly bathing.

5 reasons to choose this ryokan best points
  • Remarkable historic atmosphereThe property is set in a preserved traditional estate with a refined sukiya-style character, giving the stay a sense of old-world prestige rather than a standard resort feel. It suits travelers who want a ryokan with real heritage and a memorable setting.
  • Beautiful garden for slow staysIts large Japanese garden is one of the standout features, with seasonal highlights such as cherry blossoms, irises, autumn leaves, and plum blossoms. Even staying on-site feels rewarding because the grounds invite relaxed walks and quiet downtime.
  • Strong traditional dining focusMeals emphasize seasonal Japanese cuisine using ingredients from nearby mountain areas and local bays, which makes dinner feel tied to the region rather than generic kaiseki. This is especially appealing if food is a core part of your ryokan experience.
  • Classic onsen retreat feelThe ryokan offers both indoor and open-air baths fed by Izu Nagaoka Onsen, which fits travelers looking for a classic hot-spring stay in a long-established resort area. The bathing setup supports a calm, restorative rhythm during the stay.
  • Peaceful but still practicalAlthough it feels secluded and quiet, it is still within reach of Izu-Nagaoka Station and local sightseeing in the Izunokuni area. That balance works well for travelers who want serenity without being completely isolated.
5 reasons not to choose this ryokan watch-outs
  • Some rooms may feel datedThe historic character is part of the appeal, but some travelers may read it as old-fashioned rather than elegant, especially if they expect a polished contemporary luxury standard throughout. This matters most if you are sensitive to wear, aging fixtures, or classic interiors.
  • Not ideal for tattooed guestsThe public onsen rules state that tattooed guests cannot use the baths. That can be a serious drawback if bathing is one of the main reasons for booking a ryokan stay.
  • Dining is less flexible than a hotelThe food experience is a strength, but meal times are structured and the style is firmly traditional Japanese. Travelers wanting casual all-day options or lots of international choice may find it restrictive.
  • Quiet location may feel too sleepyThis ryokan is better for retreat-style stays than for nightlife, shopping, or a lively town-center atmosphere. If you want to step out into a busy area after dinner, the setting may feel too subdued.
  • Premium experience, premium priceThe combination of historic setting, landscaped grounds, and high-end ryokan service means it is usually better suited to travelers willing to pay for ambiance and tradition. Budget-focused travelers may not feel the value if they mainly need a simple base.

Ranking around this ryokan in Shizuoka

Showing 5 above and 5 below the current ryokan. The full ranking loads only when you click or hover over this block.

Current position: 67th out of 168 ryokans in Shizuoka.

Rank Ryokan Rating Reviews
62nd Atami Izusan Karaku 8.9/10 63
63rd Kokoronodoka 8.8/10 215
64th Ishinoya Atami – TKP Hotels & Resorts 8.8/10 175
65th Onsen Yado Mizuguchi 8.8/10 170
66th Atami Onsen Sakuraya Ryokan 8.8/10 121
67th Sanyo-so Current ryokan 8.8/10 93
68th Ryokan Hōetsu, Atami Onsen 8.9/10 38
69th Izuito Onsen Daitokan 8.7/10 3,470
70th Inatori Tokai Hotel Yuen 8.7/10 1,385
71st Honjin 8.7/10 261
72nd Nishiizu Koyoi 8.7/10 221
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