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IKONASOU

3.0 star property
3-star spa ryokan in Izu Nagaoka Onsen

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Photo gallery for IKONASOU

Relax in a serene onsen with a clear pool surrounded by natural stone formations and a stone bench.
Relax in a serene hot spring bath area with a clear water surface and a ladder for easy access.
Relax in this inviting space with a large bed, desk, and TV, surrounded by a window and comfortable seating area.
Traditional Japanese-style building with a seating area and serene garden surroundings.
Relax by the serene water feature surrounded by natural rock formations and a stone pathway.

Reviews

7.4 out of 10
Good

Popular amenities

  • Spa
  • Breakfast available
  • Air conditioning
  • Free WiFi
  • Parking included

Explore the area

Map
243-3 Kona, Izunokuni, Shizuoka, 410-2201
  • Izunagaoka Hot Spring
    ‪3 min walk‬
  • Katsuragiyama Ropeway
    ‪2 min drive‬
  • Izu-Mito Sea Paradise
    ‪8 min drive‬
  • Oshima (OIM)

Room options

View all photos for Deluxe Room, Non Smoking, Garden View

Deluxe Room, Non Smoking, Garden View | 1 bedroom, free WiFi, bed sheets

Deluxe Room, Non Smoking, Garden View

  • 215 sq ft
  • Sleeps 4
  • 2 Large Twin Beds and 2 Twin Futons

View all photos for Deluxe Room, Non Smoking, Garden View

Deluxe Room, Non Smoking, Garden View | 1 bedroom, free WiFi, bed sheets

Deluxe Room, Non Smoking, Garden View

  • 451 sq ft
  • Sleeps 4
  • 4 Twin Futons

View all photos for Economy Room, Non Smoking

Economy Room, Non Smoking | 1 bedroom, free WiFi, bed sheets

Economy Room, Non Smoking

  • 226 sq ft
  • Sleeps 4
  • 2 Large Twin Beds OR 2 Twin Futons

View all photos for Economy Room, Non Smoking

Economy Room, Non Smoking | 1 bedroom, free WiFi, bed sheets

Economy Room, Non Smoking

  • 323 sq ft
  • Sleeps 4
  • 4 Twin Futons

View all photos for Deluxe Room, Non Smoking, Garden View

Deluxe Room, Non Smoking, Garden View | 1 bedroom, free WiFi, bed sheets

Deluxe Room, Non Smoking, Garden View

  • 215 sq ft
  • Sleeps 4
  • 4 Twin Futons

View all photos for Deluxe Room, Non Smoking, Garden View

Deluxe Room, Non Smoking, Garden View | 1 bedroom, free WiFi, bed sheets

Deluxe Room, Non Smoking, Garden View

  • 236 sq ft
  • Sleeps 3
  • 3 Twin Futons

View all photos for Economy Room, Non Smoking

Economy Room, Non Smoking | 1 bedroom, free WiFi, bed sheets

Economy Room, Non Smoking

  • 451 sq ft
  • Sleeps 6
  • 6 Twin Futons

View all photos for Deluxe Room, Non Smoking, Garden View

Deluxe Room, Non Smoking, Garden View | 1 bedroom, free WiFi, bed sheets

Deluxe Room, Non Smoking, Garden View

  • 215 sq ft
  • Sleeps 4
  • 2 Large Twin Beds and 2 Twin Futons

View all photos for Executive Room, Non Smoking, Garden View

Executive Room, Non Smoking, Garden View | 1 bedroom, free WiFi, bed sheets

Executive Room, Non Smoking, Garden View

  • Sleeps 4
  • 4 Twin Futons

View all photos for Economy Room, Non Smoking

Economy Room, Non Smoking | 1 bedroom, free WiFi, bed sheets

Economy Room, Non Smoking

  • 226 sq ft
  • Sleeps 4
  • 4 Twin Futons

About the neighborhood

Izunokuni

Izu Nagaoka Onsen stay.With a stay at this Izu Nagaoka Onsen ryokan, you'll be within half a mile (1 km) of Izunagaoka Hot Spring and 2 miles (3 km) of Katsuragiyama Ropeway. Nirayama Reverberatory Furnace and Izu World Hawaiians are also within 3 miles (5 km).

What's nearby

  • Izunagaoka Hot Spring - 3 min walk - 0.2 miles
  • Katsuragiyama Ropeway - 2 min drive - 1.1 miles
  • Izu-Mito Sea Paradise - 8 min drive - 3.5 miles
  • Shuzenji Temple - 11 min drive - 5.9 miles
  • Awashima Marine Park - 12 min drive - 4.1 miles

Getting around

  • Izunagaoka Station - 18 min walk
  • Haneda Airport (HND) - 154 min drive

Restaurants

  • ‪鳥栄 - ‬3 min walk
  • ‪掌 - ‬8 min walk
  • ‪与志富 - ‬4 min walk
  • ‪割烹料亭 だるま - ‬3 min walk
  • ‪Dining Bar POMODRO - ‬3 min walk

About this property

IKONASOU

3-star spa ryokan in Izu Nagaoka Onsen
IKONASOU offers its guests hot springs. IKONASOU also features spa services and a garden. Free self parking is available.
  • 17 guestrooms or units
  • Breakfast available (surcharge)
  • Front desk (limited hours)
  • Garden
IKONASOU offers 17 air-conditioned accommodations with indoor private hot tubs and designer toiletries. Guests can surf the web using the complimentary wireless Internet access (speed: 25+ Mbps). Bathrooms include shower/tub combinations, spring water baths, toilets with an electronic bidet, and complimentary toiletries. Change of towels and change of bedsheets can be requested. Housekeeping is provided on request.
Guests can pamper themselves by indulging in the onsite spa services. Services include facials and body treatments. A variety of treatment therapies are provided, including aromatherapy.

Private bath/onsen services include an outdoor private onsen (in communal space). Public bath/onsen services include an indoor mineral hot springs (Japanese-style onsen) and a yukata (Japanese robe). These services feature shared men and women areas. There are 2 indoor hot springs and 2 outdoor hot springs open between 6:00 AM and midnight.

Languages

Japanese

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Property amenities

Internet

  • Available in all rooms: Free WiFi
  • In-room WiFi speed: 25+ Mbps

Parking and transportation

  • Free uncovered self parking on site

Food and drink

  • Daily Japanese breakfast available 7:00 AM to 9:00 AM for a fee: JPY 2,000 to 3,000 per person
  • Kaiseki meal

Things to do

  • 4 indoor/outdoor hot springs

Accessibility

  • No elevator

Room amenities

Bedroom

  • Bedsheets provided

Bathroom

  • Designer toiletries
  • Hair dryer
  • Private bathroom
  • Shampoo
  • Shower/bathtub combination
  • Soap
  • Spring water bathtub
  • Toilet paper
  • Toilet with electronic bidet
  • Toothbrush and toothpaste
  • Towels provided

More

  • Air conditioning
  • Fusuma (room partition)
  • Geta (wooden sandals)
  • Heating
  • Tatami (woven mat) flooring

Policies

Check-in

Check-in start time: 2:00 PM; Check-in end time: 5:00 PM
Minimum check-in age: 18

Check-out

Check-out before 10:00 AM

Special check-in instructions

The front desk is open daily from 7:00 AM - 9:00 PM
Front desk staffed during limited hours
This property doesn't offer after-hours check-in

Access methods

Front desk (limited hours)

Pets

  • No pets allowed

Children and extra beds

  • Children are welcome.
  • Rollaway/extra beds are not available.
  • Cribs (infant beds) are not available.

Property payment types

Important information

Optional extras

The fees and deposits listed below will be charged at the time of service, check-in, or check-out.

  • Fee for Japanese breakfast: approximately JPY 2000 to 3000 per person

This may not be a comprehensive list. Fees and deposits are subject to change and might not include tax.

You need to know

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 and debit cards; cash is not accepted
Charges for extra guests may apply and vary according to property policy.
A cash deposit, credit card, or debit card for incidental charges and government-issued photo identification may be required upon check-in.
Special requests are subject to availability at the time of check-in. Special requests can't be guaranteed and may incur additional charges.
    This property is managed by a professional host. The provision of housing is linked to their trade, business, or profession. Guests must contact this property in advance to reserve access to the public bathing facility. This property accepts Visa, Mastercard, American Express, Diners Club, JCB International, and debit cards. Cash is not accepted. 

We should mention

  • Hot springs access available from 6:00 AM to midnight.
  • Reservations are needed for massage services and spa treatments. For reservations, contact the ryokan before arrival using the contact information on the booking confirmation.
  • As required by the Japanese Ministry of Health, Labour, and Welfare, all international visitors must submit their passport number and nationality when registering at any lodging facility (inns, hotels, motels, etc. ). Also, it's required that lodging proprietors photocopy the passports of all registering guests and keep the photocopy on file.
  • Please note that some properties do not permit guests with tattoos to use the onsite public bathing facilities.

Property is also known as

IKONASOU Ryokan
IKONASOU Izunokuni
IKONASOU Ryokan Izunokuni

Frequently asked questions

How close is IKONASOU to the airport?

IKONASOU is 46.7 mi (606-min drive) away from the Oshima Airport (OIM) airport, the closest popular airport to the property.

How much does it cost to stay at IKONASOU?

As of Jul 13, 2025, prices found for a 1-night stay for 2 adults at IKONASOU on Aug 4, 2025 start from $316.79, excluding taxes and fees. This price is based on the lowest nightly price found in the last 24 hours for stays in the next 30 days. Prices are subject to change. Choose your dates for more accurate prices.

Does IKONASOU have an airport shuttle?

Airport shuttle services are not available at IKONASOU.

How close is IKONASOU to the beach?

This ryokan is 15.1 mi (52-min drive) from Atami Sun Beach and 5.8 mi (20-min drive) from Ra Ra Ra Sun Beach. Don't forget your sunscreen!

Does IKONASOU offer free breakfast?

Free breakfast isn’t provided at IKONASOU, but Japanese breakfast is offered for a fee of between JPY 2000 and 3000 per person. It's available every day from 7:00 AM to 9:00 AM.

Is there a casino at IKONASOU?

No, there is no casino at this ryokan.

What time is check-in at IKONASOU?

Check-in start time: 2:00 PM; Check-in end time: 5:00 PM.

Is there free parking at IKONASOU?

This ryokan offers free self parking.

Does IKONASOU have a pool?

IKONASOU does not have a pool.

Does IKONASOU have a spa?

This ryokan doesn't have a spa, but it does offer body treatments, massages, and aromatherapy.

How close is IKONASOU to downtown Izunokuni?

IKONASOU is 1.9 mi away from Izunokuni.

IKONASOU Reviews

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