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IKONASOU

3.0 star property
Ryokan in Izunokuni with free parking

Choose dates to view prices

IKONASOU provides amenities like an indoor mineral hot spring (onsen) and a Japanese garden. For some rest and relaxation, visit the 2 indoor hot springs, and indulge in a massage, a facial, or aromatherapy. Guests can connect to free in-room WiFi.

Reviews

8.2 out of 10
Very good

Popular amenities

  • Spa
  • Parking included
  • Free WiFi
  • Air conditioning
  • Breakfast available
The current price is ₩484,621
₩533,083 total
Feb 10 - Feb 11

Room options

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

Deluxe Room, Non Smoking, Garden View | Free WiFi, bed sheets

Deluxe Room, Non Smoking, Garden View

Highlights

Yard
Private indoor hot tub
Air conditioning
Heating
Private bathroom
Spring water bathtub
Toilet with electronic bidet
Designer toiletries
  • 42 sq m
  • 1 bedroom
  • Sleeps 4
  • 4 Twin Futons

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

Deluxe Room, Non Smoking, Garden View | Free WiFi, bed sheets

Deluxe Room, Non Smoking, Garden View

Highlights

Yard
Private indoor hot tub
Air conditioning
Heating
Separate bedroom
Private bathroom
Spring water bathtub
Toilet with electronic bidet
  • 20 sq m
  • 1 bedroom
  • Sleeps 4
  • 4 Twin Futons

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

Deluxe Room, Non Smoking, Garden View | Free WiFi, bed sheets

Deluxe Room, Non Smoking, Garden View

Highlights

Yard
Private indoor hot tub
Air conditioning
Heating
Private bathroom
Spring water bathtub
Toilet with electronic bidet
Designer toiletries
  • 22 sq m
  • 1 bedroom
  • Sleeps 3
  • 3 Twin Futons

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

Deluxe Room, Non Smoking, Garden View | Free WiFi, bed sheets

Deluxe Room, Non Smoking, Garden View

Highlights

Yard
Private indoor hot tub
Air conditioning
Heating
Private bathroom
Spring water bathtub
Toilet with electronic bidet
Designer toiletries
  • 20 sq m
  • 1 bedroom
  • 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 | Free WiFi, bed sheets

Deluxe Room, Non Smoking, Garden View

Highlights

Yard
Private indoor hot tub
Air conditioning
Heating
Private bathroom
Spring water bathtub
Toilet with electronic bidet
Designer toiletries
  • 20 sq m
  • 1 bedroom
  • 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 | Free WiFi, bed sheets

Executive Room, Non Smoking, Garden View

Highlights

Yard
Private indoor hot tub
Air conditioning
Heating
Private bathroom
Spring water bathtub
Toilet with electronic bidet
Designer toiletries
  • 1 bedroom
  • Sleeps 4
  • 4 Twin Futons

View all photos for Economy Room, Non Smoking

Economy Room, Non Smoking | Free WiFi, bed sheets

Economy Room, Non Smoking

Highlights

Private indoor hot tub
Air conditioning
Heating
Separate bedroom
Private bathroom
Spring water bathtub
Toilet with electronic bidet
Designer toiletries
  • 42 sq m
  • 1 bedroom
  • Sleeps 6
  • 6 Twin Futons

View all photos for Economy Room, Non Smoking

Economy Room, Non Smoking | Free WiFi, bed sheets

Economy Room, Non Smoking

Highlights

Private indoor hot tub
Air conditioning
Heating
Separate bedroom
Private bathroom
Spring water bathtub
Toilet with electronic bidet
Designer toiletries
  • 30 sq m
  • 1 bedroom
  • Sleeps 4
  • 4 Twin Futons

View all photos for Economy Room, Non Smoking

Economy Room, Non Smoking | Free WiFi, bed sheets

Economy Room, Non Smoking

Highlights

Private indoor hot tub
Air conditioning
Heating
Private bathroom
Spring water bathtub
Toilet with electronic bidet
Designer toiletries
Shower/tub combination
  • 21 sq m
  • 1 bedroom
  • Sleeps 4
  • 4 Twin Futons

View all photos for Economy Room, Non Smoking

Economy Room, Non Smoking | Free WiFi, bed sheets

Economy Room, Non Smoking

Highlights

Private indoor hot tub
Air conditioning
Heating
Separate bedroom
Private bathroom
Spring water bathtub
Toilet with electronic bidet
Designer toiletries
  • 21 sq m
  • 1 bedroom
  • Sleeps 4
  • 2 Large Twin Beds OR 2 Twin Futons
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About the neighborhood

Izu Nagaoka Onsen, a neighborhood in Izunokuni, is home to IKONASOU. The area's natural beauty can be seen at Fuji-Hakone-Izu National Park and Atami Sun Beach. Izu World Hawaiians and Izu-Mito Sea Paradise are also worth visiting. Visit our Izunokuni travel guide
Map
243-3 Kona, Izunokuni, Shizuoka, 410-2201

What's nearby

  • 静岡県沼津市 夕暮れの沼津港 びゅうお
    Port of Numazu
    20 min drive - 11.7 km
  • Ganjoju-in
    3 min drive - 1.7 km
  • Katsuragiyama Ropeway
    3 min drive - 1.7 km
  • Hojoji Temple
    4 min drive - 2.1 km
  • Nirayama Reverberatory Furnace
    5 min drive - 2.6 km

Getting around

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

Restaurants

  • ひょうたん寿司
    14 min walk
  • 一匹の鯨
    12 min walk
  • 王道鈴家
    15 min walk
  • 掌
    8 min walk
  • 古奈青山
    6 min walk

About this property

IKONASOU

Ryokan near Fuji-Hakone-Izu National Park
IKONASOU provides amenities like an indoor mineral hot spring (onsen) and a Japanese garden. For some rest and relaxation, visit the 2 indoor hot springs, and indulge in a massage, a facial, or aromatherapy. Stay connected with free in-room WiFi.
Additional perks include:
  • Free self parking
  • Japanese breakfast (surcharge) and hot springs on site
Room features
All guestrooms at IKONASOU offer comforts such as private indoor hot tubs and air conditioning, as well as amenities like free WiFi.
More conveniences in all rooms include:
  • Bathrooms with spring water tubs and designer toiletries
  • Heating and housekeeping

Similar properties

Hot springs
Koubounoyu Nagaoka
  • Spa
  • Parking included
  • Free WiFi
  • Air conditioning
8.0 out of 10, Very Good, 3 reviews
The price is ₩290,076
₩319,082 total
Mar 2 - Mar 3
Koubounoyu Nagaoka
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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

Conveniences

  • Limited-hour front desk

Guest services

  • Change of bedsheets (on request)
  • Change of towels on request
  • Housekeeping (on request)

Outdoors

  • Garden

Spa

  • 2 indoor hot springs
  • 2 outdoor hot springs
  • 4 indoor/outdoor hot springs
  • Aromatherapy
  • Facials
  • Hot springs open from 6:00 AM - midnight
  • Massage
  • Private outdoor onsen (mineral springs) in communal space
  • Public indoor mineral hot springs (onsen)
  • Public outdoor mineral hot springs (onsen)
  • Shared men and women areas
  • Yukata (Japanese robes)

Accessibility

  • No elevator

More

  • Genkan (entryway)

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
Information provided by the property may be translated using automated translation tools

Access methods

Front desk (limited hours)

Pets

Pets not 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

Fees

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.

Optional extras

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

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

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

We should mention

This property does not have elevators
Hot springs access available from 6:00 AM to midnight
Reservations are required for massage services and spa treatments; reservations can be made by contacting the property prior to arrival, using the contact information on the booking confirmation
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
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

Is IKONASOU pet-friendly?

No, pets are not allowed at this property.

How much does it cost to stay at IKONASOU?

As of Feb 4, 2026, prices found for a 1-night stay for 2 adults at IKONASOU on Feb 10, 2026 start from ₩484,621, 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.

How much is parking?

Self parking is free at this property.

What time is check-in at IKONASOU?

Check-in start time: 2:00 PM; Check-in end time: 5:00 PM. After-hours check-in is not available.

What time is check-out at IKONASOU?

Check-out is at 10:00 AM.

Where is IKONASOU located?

Located in Izu Nagaoka Onsen, this spa ryokan is 1.2 mi (2 km) from Katsuragiyama Ropeway and within 3 mi (5 km) of Nirayama Reverberatory Furnace and Izu World Hawaiians. Ao Terrace is 2.9 mi (4.6 km) away. Izunagaoka Station is 18 minutes by foot.

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Reviews

8.2

Very Good