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Kaseimi Nihonkai

Yamagata Prefecture／Yunohama Onsen
¥17,600～
Breakfast included ; 2 peopleTax included¥14,960〜
(USD 93.76)

A resort with panoramic views of the Sea of Japan through pine forests, featuring buffet dining and open-air hot springs.

An accommodation boasting a stunning location with the white sandy Sea of Japan set against a backdrop of pine forests. From the shared spaces, you can enjoy panoramic views of the majestic sea and sunsets, as well as the ever-changing expressions of the ocean each day. The buffet offers a variety of Japanese, Western, and Chinese dishes featuring fresh seasonal delicacies. Additionally, guests can relax in an open-air bath surrounded by forest or enjoy a panoramic view of the Sea of Japan from an observation bath. Rooms with excellent views provide sweeping vistas of the Sea of Japan, allowing you to experience its dynamic and grand beauty that changes with seasons and weather conditions.

3.84(52)
  • Very satisfied!

    1) Front desk check-in was smooth, and the staff were welcoming from the moment we arrived. Late checkout at 11:00 was also appreciated. 2) Dinner: There was a wide variety of dishes, and everything tasted great. The all-you-can-eat crab was larger than I expected. On the other hand, each table had its own robatayaki grill, which almost felt like a waste! 3) Breakfast: Rather than having one person dedicated to making omelets (the main recommendation?), I felt it would have been better if refills were brought out more quickly. 4) Bath: I would have preferred the water temperature to be a bit hotter (though it depends on personal preference, and it still warmed me up). 5) View: We could see the Sea of Japan, and it had a wonderful atmosphere. Overall, we were very satisfied and able to relax at our own pace. We would love to visit again.

    Yahoo!トラベルユー... 6/6/2026

  • I would like to stay here again.

    Yahoo!トラベルユー... 6/21/2026

Facilities and Services

See All
  • Hot spring
Open-air bath / Free-flowing hot spring / Large public bath / Within a 5-minute walk to the convenience store. / Outdoor pool / Free shuttle service
IN15:00～19:00
OUT10:00
Number of rooms42 rooms
PetNot allowed
Your childPermitted

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【Room Type Property Choice】Weekday Only! One-night Business Plan with Breakfast Included.

IN 15:00～22:00
OUT 10:00
¥17,600～
Breakfast included ; 2 peopleTax included¥14,960〜
(USD 93.76)

The Room type is a business-style Western room! Enjoy our all-you-can-eat crab buffet—Shonai Megumi Buffet now available!

IN 15:00～18:00
OUT 10:00
¥26,400～
Dinner and Breakfast included ; 2 peopleTax included¥22,440〜
(USD 140.65)
View of "pine forest"
  • Japanese-style Room
  • Capacity 1~6 people

[Limited Dates] Late Summer: Spend the End of Summer at Hana Yubi Nihonkai

IN 15:00～19:00
OUT 10:00
¥26,000～
Dinner and Breakfast included ; 2 peopleTax included¥20,800〜
(USD 130.37)

Weekdays Only! Silver Plan [Dinner: All-You-Can-Eat Crab Shonai Megumi Buffet]

IN 14:00～19:00
OUT 11:00
¥28,710～
Dinner and Breakfast included ; 2 peopleTax included¥22,970〜
(USD 143.97)
View of the "Sea of Japan"
  • Japanese-style Room
  • Capacity 1~6 people

[Limited Dates] Late Summer: Spend the End of Summer at Hana Yubi Nihonkai

IN 15:00～19:00
OUT 10:00
¥28,000～
Dinner and Breakfast included ; 2 peopleTax included¥22,400〜
(USD 140.40)

Weekdays Only! Silver Plan [Dinner: All-You-Can-Eat Crab Shonai Megumi Buffet]

IN 14:00～19:00
OUT 11:00
¥29,700～
Dinner and Breakfast included ; 2 peopleTax included¥25,245〜
(USD 158.23)

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Introduction of the Accommodation

Sunset

A perfect location with views of the Sea of Japan and stunning sunsets

"Hanayubi Nihonkai" boasts a prime location overlooking the majestic Shirahama coastline of the Sea of Japan and stunning sunsets through pine forests. The ever-changing contrast between the Sea of Japan and black pine forests offers breathtaking views. Dinner is served buffet-style, featuring a variety of Japanese, Western, and Chinese dishes made with freshly caught seasonal ingredients. Enjoy a relaxing open-air bath surrounded by nature or take in the panoramic view of the Sea of Japan from our observation bath. This accommodation allows you to fully immerse yourself in the beauty of the Sea of Japan.

Facilities and Equipment of Accommodation

  • The room
    The room
  • Facilities & Services
    Facilities & Services
  • Meal
    Meal

Basic Information

Card information
VISA / MASTER / JCB / AMEX
Pets
Not allowed
BreakfastThere is no information about breakfast.
Your child
You can stay.
We provide high chairs, tableware, slippers, and yukata for toddlers.
Room service
Not available
Common amenities
  • ○ Shampoo · conditioner
  • ○ Body soap · soap
  • ○ Towel · Bath towel
  • × Body towel · sponge
  • ○ Toothbrush set
  • ○ Comb · Brush
  • × Shower cap
  • ○ Hair dryer
  • ○ Shaving
  • × Shaving Gel/Foam
  • × Bath additives
  • ○ Yukata
  • × Nightwear
  • × Bathrobe
  • ○ Slippers
  • ○ facial cleanser
  • × Toner
  • × Lotion
  • × Makeup remover
  • × Cotton swab
  • × Cotton
  • × Clothing deodorizing spray
  • ○ Refrigerator
  • × Minibar
  • ○ Electric kettle
  • × Tea set (free)
  • ○ Television
  • ○ Safe
  • × Scale
  • × Trouser press
  • × Free morning edition
  • × Pay-per-view broadcast
  • ○ Satellite broadcasting
  • × Video on Demand
  • × Radio
  • × CD player
  • × DVD player
  • × Blu-ray player
  • × Speakers for portable audio
  • × In-room PCs and tablets
Facilities and Features
  • ○ Hot spring
  • × Rooms with open-air baths available
  • ○ Open-air bath
  • ○ Free-flowing hot spring
  • ○ Large public bath
  • × Private bath
  • × Sauna
  • × Ganbanyoku (rock bathing)
  • × Within a 5-minute walk from the station
  • ○ Within a 5-minute walk to the convenience store.
  • × Indoor pool
  • ○ Outdoor pool
  • × Pet-friendly
  • × Spa facility
  • × Fitness
  • ○ Free shuttle service
  • × Shuttle Service (Paid)
  • × Room service
  • × Room Service Available 24 Hours
  • × Barrier-free
  • × Childcare services
Outdoor pool
Available period
---
Business Hours
---
Final admission time
---
Fee（Guest）
Free
Fee（Non-guest）
---
Children's pool
None
Age restriction
Pool shape
Rectangular
Pool size


Pool (summer only)
Esthetic Massage
None
Fitness gym
None
Public Bath
The number of Public Bath
1
Business Hours
---
Hot spring
Available
Free-flowing
Available
Milky hot spring water
None
Additional Information
(Add water)
Remarks
Sodium Calcium Chloride Spring
Open-air bath
The number of Open-air bath
1
Business Hours
---
Hot spring
Available
Free-flowing
None
Milky hot spring water
None
Additional Information
(Add water)
Remarks
The gender-separated open-air baths are located on the first floor.
SaunaNone
Hot stone spaNone
OthersSaison Card, Mitsubishi UFJ NICOS, DC Card, Rakuten Card, UC Card

Reviews

Overall Score
3.84
(52)
  • Rooms & Amenities
    3.79
  • Facility
    3.35
  • Hospitality & Service
    4.06
  • Meals
    4.10
  • Onsen & Bath
    3.79
  • Satisfaction
    3.94

*Reviews that have been translated from Japanese.*

*Showing only reviews from 一休.com (Japanese) and Yahoo!トラベル.*

Access Information

Address
Yamagata PrefectureTsuruoka-shi, Shimokawa, Azakubohata 1-523
TEL：+81-235-75-2021

Nearest Station: Tsuruoka Station (20 minutes by car or taxi)
Nearest IC: Shonai Airport IC (10 minutes by car)
Nearest Airport: Shonai Airport (10 minutes by car or taxi)

Parking Information
Fee
Free for guests
Parking time
---
Parking space
No restrictions
Number of parking spaces
100 cars available outdoor
Valet service
Unavailable
No reservation required

Pickup and drop-off information
Available (Free)Reservation

Frequently Asked Questions

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