Located in Izunokuni (Izu Nagaoka Onsen), Sanyo-so is within a 15-minute drive of Izu-Mito Sea Paradise and Mishima Taisha Shrine. This ryokan is 7.2 mi (11.6 km) from Port of Numazu and 11.2 mi (18.1 km) from Mishima Sky Walk.

Make yourself at home in one of the 22 guestrooms featuring minibars. Complimentary wireless internet access keeps you connected, and digital programming is available for your entertainment. Bathrooms feature shower/tub combinations, spring water baths, and complimentary toiletries. Conveniences include phones, as well as safes and electric kettles.

Enjoy recreation amenities such as hot springs or take in the view from a garden.

Grab dinner at お食事処, a restaurant that specializes in Japanese cuisine. You can also grab snacks at the coffee shop/cafe. Japanese breakfasts are available daily from 8:00 AM to 8:30 AM for a fee.

Featured amenities include luggage storage and an elevator. Free self parking is available onsite.

• Extra-person charges may apply and vary depending on property policy
• Government-issued photo identification and a credit card, debit card, or cash deposit may be required at check-in for incidental charges
• Special requests are subject to availability upon check-in and may incur additional charges; special requests cannot be guaranteed
• Guests must contact this property in advance to reserve access to the public bathing facility
• This property accepts credit cards, debit cards, mobile payments, and cash
• Mobile payment options include: Alipay, PayPay, Merpay, and R Pay
• This property reserves the right to pre-authorize the guest's credit card prior to arrival.
• Cashless transactions are available
• This property has outdoor spaces, such as balconies, patios, terraces which may not be suitable for children; if you have concerns, we recommend contacting the property prior to your arrival to confirm they can accommodate you in a suitable room
• This property affirms that it follows the cleaning and disinfection practices of Prince Safety Commitment (Prince Hotels & Resorts)

The front desk is open daily from 8:00 AM - 6:00 PM. This property doesn't offer after-hours check-in. The front desk is staffed during limited hours.

• Hot springs access available from 3:00 PM to 9:30 AM.
• The Japanese Ministry of Health, Labour, and Welfare requires all international visitors to submit their passport number and nationality when registering at any lodging facility (inns, hotels, motels, etc. ). Additionally, lodging proprietors are required to photocopy passports for all registering guests and keep the photocopy on file.
• Cashless payment methods are available for all transactions.
• Please note that some properties do not permit guests with tattoos to use the onsite public bathing facilities.

You'll be asked to pay the following charges at the property. Fees may include applicable taxes:

• A bathing tax, collected at the property, may be charged. The bathing tax applies to properties with hot springs and ranges from JPY 150-500 per person, per night based on local regulations. Please note that further exemptions may apply.

We have included all charges provided to us by the property.

• Fee for Japanese breakfast: approximately JPY 4500 per person

The above list may not be comprehensive. Fees and deposits may not include tax and are subject to change.