Cancellation policy will be provided during booking.
About the place
Where
Tucked into Izunokuni's Izu Nagaoka Onsen, Sanyo-so sits close to Izunagaoka Hot Spring and within easy driving distance of Izu-Mito Sea Paradise and Mishima Taisha Shrine. The property is a short hop from Katsuragiyama Ropeway and Nirayama Reverberatory Furnace, and the preferred airport is Haneda (about 143 km away).
Details
This non-smoking ryokan mixes onsen tradition with simple modern comforts. Rooms feature spring-water baths or shower/tub combos, minibars or refrigerators, safes, electric kettles, air conditioning, in-room massage options, digital entertainment and complimentary Wi‑Fi. Many rooms frame garden views for a calm, local vibe.
Amenities
Soak in natural hot springs and spring water baths or wander the peaceful garden. Onsite essentials include free self-parking, an elevator and luggage storage—perfect for come-and-go travelers. Expect crisp mornings scented with onsen steam and quiet communal spaces.
Business_amenities
Event facilities total about 1,658 sq ft (154 m²) of conference space, plus complimentary Wi‑Fi, luggage storage, an elevator and free self-parking—handy for meetings and small events.
Dining
The ryokan's restaurant お食事処 serves authentic Japanese cuisine for dinner (and breakfast/dinner service is available), while a coffee shop/café handles snacks and light bites. Japanese breakfasts are offered daily from 8:00–8:30 for a fee.