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Hotel Grand Mer Sankaiso

Property class: 3.5

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Photo gallery for Hotel Grand Mer Sankaiso

A serene outdoor setting with a stone water feature, a wooden structure, and a view of the water body. - Hotel Grand Mer Sankaiso (Ajigasawa)
A traditional Japanese room with tatami flooring, a low table, cushions, and sliding doors. - Hotel Grand Mer Sankaiso (Ajigasawa)
A patio with outdoor seating and a view of the ocean. - Hotel Grand Mer Sankaiso (Ajigasawa)
A large, illuminated hotel with multiple towers and a waterfront view. - Hotel Grand Mer Sankaiso (Ajigasawa)
A traditional hot spring bath with wooden benches, a thatched roof, and a view of snow-covered mountains in the background. - Hotel Grand Mer Sankaiso (Ajigasawa)
You can look forward to an indoor mineral hot spring (onsen), a garden, and a sauna at Hotel Grand Mer Sankaiso. For some rest and relaxation, visit the indoor private onsen. Guests can connect to free in-room WiFi.

Reviews

9.0 out of 10
Wonderful

Popular amenities

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

Off-peak, on budget: 30% or more off select hotels in our fall sale

Skip the crowds, keep the savings. AARP members save more after Labor Day. Book by Oct 7, 2026.

Room options

Available filters for rooms
Showing 4 of 4 rooms

View all photos for Japanese room, Non-smoking (Ocean-side Twin Bed)

A traditional Japanese-style hotel room with tatami flooring, two beds, a futon, a shoji screen, and a low wooden ceiling.

Japanese room, Non-smoking (Ocean-side Twin Bed)

  • Sleeps 3

View all photos for Premium Japanese Room Non-smoking Twin

A hotel room with two beds, a TV, a small table, and a sofa.

Premium Japanese Room Non-smoking Twin

  • Sleeps 3

View all photos for Premium Japanese room, Non-smoking (Connecting)

A traditional Japanese-style hotel room with tatami flooring, two beds with matching headboards, a television, and a sliding door leading to a bathroom.

Premium Japanese room, Non-smoking (Connecting)

  • Sleeps 10

View all photos for Japanese-style Room, Non Smoking, Sea View

A traditional Japanese room with tatami flooring, a low table, cushions, and sliding doors.

Japanese-style Room, Non Smoking, Sea View

8.0 out of 10
Very good
(5 reviews)
  • Sea view
  • 38 sq m
  • Sleeps 4
  • 4 Twin Futons

About the neighborhood

Located in Ajigasawa, Hotel Grand Mer Sankaiso is by the ocean. Hirosaki Castle and Shirakami-Sanchi are two other places to visit that come recommended. Spend some time exploring the area's activities, including skiing. Visit our Ajigasawa travel guide
Map
1, Naruto, Maitomachi, Ajigasawa, Aomori-ken , 038-2761

What's nearby

  • A snowy forest with bare trees and falling snow.
    Tsugaru Quasi-National Park
    17 min walk - 0.9 miles
  • A traditional Japanese castle with cherry blossoms in full bloom.
    Hirosaki Castle
    49 min drive - 27.4 miles
  • Kikuya store
    3 min drive - 1.1 miles
  • Uminoeki Wando
    4 min drive - 1.5 miles
  • Aomori Spring Ski Resort
    18 min drive - 10.1 miles

Getting around

  • Koshimizu Station
    12 min drive
  • Tsugaru Goshogawara Station
    19 min drive
  • Aomori Airport (AOJ)
    68 min drive

Restaurants

  • おそばやさん 和
    3 min drive
  • ラーメンショップ 木造店
    6 min drive
  • 一番食堂
    10 min drive
  • そば屋 ほうじろう
    15 min walk
  • そば処 案山子
    8 min drive

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Property amenities

Internet

  • Available in all rooms: Free WiFi
  • Available in some public areas: Free WiFi

Parking and transportation

  • Electric car charging station on site
  • Free train station pick-up and drop-off shuttle
  • Free self parking on site
  • Wheelchair-accessible parking available

Food and drink

  • Daily buffet breakfast available 7:00 AM to 9:00 AM for a fee: JPY 2,750 for adults and JPY 2,750 for children

Things to do

  • Free bicycle rentals
  • Sauna
  • Ski storage

Family friendly

  • In-room refrigerator

Conveniences

  • 24-hour front desk
  • Gift shop/newsstand
  • Luggage storage
  • Safe at front desk
  • Vending machine

Guest services

  • Housekeeping (daily)

Business services

  • 5 meeting rooms

Outdoors

  • Garden

Spa

  • Massage
  • Private indoor onsen (mineral springs) in communal space
  • Public indoor mineral hot springs (onsen)
  • Public outdoor mineral hot springs (onsen)
  • Separate men/women areas in public bath
  • Spa services

Accessibility

  • If you have requests for specific accessibility needs, please contact the property using the information on the reservation confirmation received after booking.
  • Elevator
  • Grab bar near toilet
  • Wheelchair accessibility
  • Wheelchair-accessible parking

More

  • Banquet hall
  • Smoking not allowed

Room amenities

Bedroom

  • Bedsheets provided

Bathroom

  • Bidet
  • Free toiletries
  • Hair dryer
  • Slippers
  • Towels provided

Entertainment

  • Flat-screen TV

Food and drink

  • Coffee/tea maker
  • Refrigerator

More

  • Air conditioning
  • Desk
  • Phone
  • Safe

Policies

Check-in

Check-in time starts at 3 PM
Minimum check-in age: 18

Check-out

Check-out before 10 AM

Special check-in instructions

This property offers transfers from the train station; guests must contact the property with arrival details before travel, using the contact information on the booking confirmation
Front desk staff will greet guests on arrival at the property
Information provided by the property may be translated using automated translation tools

Access methods

Staffed front desk

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

  • American Express
  • Diners Club
  • JCB International
  • Mastercard
  • Visa

Important information

Fees

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

  • A tax is imposed by the city: JPY 150.00 per person, per night. This tax does not apply to children under 12 years of age.

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

Optional extras

  • Fee for buffet breakfast: approximately JPY 2750 for adults and JPY 2750 for children

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
This property accepts credit cards; cash is not accepted
Safety features at this property include a fire extinguisher, a smoke detector, and a first aid kit

We should mention

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

Frequently asked questions

Is Hotel Grand Mer Sankaiso pet-friendly?

No, pets are not allowed at this property.

How much is parking?

Self parking is free at this property.

What time is check-in at Hotel Grand Mer Sankaiso?

Check-in begins at 3 PM.

What time is check-out at Hotel Grand Mer Sankaiso?

Check-out is at 10 AM.

Where is Hotel Grand Mer Sankaiso located?

Situated by the ocean, this hotel is 20.2 mi (32.6 km) from Hirosaki Castle.

Can I cancel my reservation for free and receive a full refund?

Yes, this property offers free cancellation on select room rates, because flexibility matters! Please refer to the property cancellation policy on our site for more details about any exclusions or requirements.

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Reviews

Hotel Grand Mer Sankaiso Reviews

9.0

Wonderful

9.2

Cleanliness

6.6

Location

9.4

Staff & service

8.8

Property conditions & facilities
Rating 10 - Excellent. 20 out of 40 reviews
Rating 8 - Good. 19 out of 40 reviews
Rating 6 - Okay. 0 out of 40 reviews
Rating 4 - Poor. 1 out of 40 reviews
Rating 2 - Terrible. 0 out of 40 reviews

Reviews

Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Beautiful location
Stayed 1 night in Feb 2026
Verified review

8/10 Good

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Nice view
Stayed 1 night in May 2024
Verified review

8/10 Good

Liked: Cleanliness, staff & service, property conditions & facilities
location is good. They charge too much for breakfasts.
Stayed 2 nights in Aug 2023
Verified review

8/10 Good

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort

Loved our mountain view

We had a mountain view. It was great. The staff were super helpful even though we don't speak Japanese. So kind.
The lounge, free drinks, including alcohol, 15:00 to 23:00
Our mountain view
The room
Entry decor
Stayed 1 night in Oct 2025
Verified review

4/10 Poor

Liked: Staff & service
Disliked: Cleanliness, amenities
Staff was very friendly. The area is very rundown and dirty. It’s unfortunate to pay hot spring tax and not be allowed in with tattoos.
Stayed 2 nights in May 2024
Verified review

8/10 Good

Liked: Cleanliness
夕焼け見ながら一杯、いいだろうなあ。 郷土料理で一杯、は楽しめたので、夕焼けは次のおたのしみに。
Stayed 1 night in Aug 2026
Verified review

8/10 Good

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
ほぼ満足した滞在でしたが、チェックイン時の機械での受付で
Stayed 1 night in Jul 2026
Verified review

8/10 Good

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
お部屋はオーシャンビューでビュッフェの料理は美味しくスタッフさんは皆さんニコニコ親切！日の入時間帯の貸切風呂も予約で利用でき夕陽を見ながら温泉に家族で入れました。
Stayed 1 night in Apr 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
海も山も景色は最高‼️ 温泉の露天風呂でも､ゆっくり出来ました。
Stayed 1 night in Apr 2026
Verified review

10/10 Excellent

Liked: Cleanliness, amenities, property conditions & facilities
とても快適に過ごせました。
Stayed 1 night in May 2025
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, property conditions & facilities
清潔感抜群で、お料理も素晴らしい 温泉ではないということですが、地下水を沸かしているということで、温泉と同じようで、露天風呂もあり、とても良かったです
Stayed 1 night in May 2025
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
料理が最高に美味しかったです。機会があればまたお伺いしたいです。
Stayed 1 night in Apr 2024
Verified review

8/10 Good

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
夕食を頼んでいなかったことが、当日のチェックインでわかりました。近くに食べるところがなかったので、夕食をお願いしたところ、食べることができました。大変助かりました。そして、とても美味しかったです。ありがとうございました。
Stayed 1 night in Apr 2023
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
部屋からの眺めも良く、ラウンジでは、好きなコーヒーのみながらゆっくり過ごすことができました！
Stayed 1 night in Oct 2022
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
とてもフレンドリーで親切なスタッフの方々とステキなホテルです。 お天気の日は温泉からの夕日が綺麗です。
Stayed 2 nights in Aug 2022
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort

リゾートホテルでした！

源泉かけ流しの湯船の泉質最高でした。　屋外朝食席も最高の眺めで南の島のリゾートのようでした。　夕方のフリードリンクも良いサービスでした。
Stayed 1 night in Aug 2022
Verified review

8/10 Good

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
場所を把握しようとチェックイン前に着きました。お食事所を教えてもらいスタッフさんがめっちゃ親切でした❗ オーシャンビューで眺めは最高です。 初めて行くと道に迷いますが、また行きたいです❗️
Stayed 1 night in Aug 2022
Verified review

8/10 Good

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
2월 2~3일 1박 머물렀습니다. 호텔 가기 이틀 전 잘 하지도 못하는 일어, 영어 섞어가며 전화로 셔틀버스를 예약했는데, 아지가사와역 열차 도착시간에 맞춰서 호텔셔틀버스가 와줘서 편하게 갈 수 있었습니다. 침대는 편했고, 1층 로비 매장에서 야식으로 간단히 먹을 수 있는 간식거리와 맥주도 팔고있네요~~ 온천은 물온도도 적당하고 매우 좋았습니다.ㅎㅎ해수성분이라 그런지 부력이 있네요 ~ ㅎㅎ 특히 동해바다를 바라보며 즐기는 노천탕은 정말 최고였어요.! ㅎㅎ
Stayed 1 night in Feb 2019
Verified review

8/10 Good

Liked: Cleanliness, staff & service, room comfort

冬の露天風呂と景色は最高です！

建物は古いですが、部屋は綺麗で快適に過ごせました。 露天風呂からの眺めは絶景で海と雪を見ながら温泉でくつろげました。 料理もいろいろと種類があり、且つ地元の料理もあり楽しめました。
Stayed 1 night in Dec 2018
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort

のんびりする旅には最高の宿

日曜日泊だったこともあり、非常にゆったりと過ごせた。露天風呂付きの温泉、海と山の眺望（幸い天気良くて、海に沈む夕日もあり）、十分満足できる食事、建物は新しくはないが清潔で居心地の良い部屋、等々、不満は皆無でした。
Stayed 1 night in Jun 2018
Verified review

8/10 Good

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
訂房時沒有選擇包晚膳的Package, 心想它們有多間餐廳可以有其他選擇, 但意外的是所有餐廳全部祇提供與有買晚膳package的客人, 沒有提供散餐與其他住宿客人。唯有在小買部買杯麵解決而房間祗有暖氣沒有冷氣以９月天氣就比較奇怪，打開窗戶才空氣流通到, 其他都尚算滿意。
Stayed 1 night in Sep 2017
Verified review

10/10 Excellent

Stayed 1 night in Sep 2026
Verified review

8/10 Good

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Stayed 1 night in Aug 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Stayed 1 night in Aug 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Stayed 8 nights in Aug 2026