Secret Base Mysa シークレットベース ミーサ 星の街399

–Excellent location - show map
+25 photos
Scored 10
Rated exceptional

Staff

10
  • The entire place is yours
  • 1089 ft² size
  • Kitchen
  • View
  • Garden
  • Washing machine
  • Free WiFi
  • Terrace
  • Balcony
  • Free parking

You might be eligible for a Genius discount at Secret Base Mysa シークレットベース ミーサ 星の街399. To check if a Genius discount is available for your selected dates sign in.

Genius discounts at this property are subject to book dates, stay dates and other available deals.

About this property

Comfortable Accommodation: Secret Base Mysa in Tsumagoi offers a holiday home with two bedrooms and a bathroom. The property features a hot spring bath, garden, terrace, and free WiFi. Modern Amenities: Guests can enjoy an outdoor seating area, family rooms, and free on-site private parking. The home includes a fully equipped kitchen with a refrigerator, microwave, and stovetop. Additional amenities include a washing machine, dining area, and free toiletries. Local Attractions: Located 88 km from Matsumoto Airport, the property is near skiing opportunities. Nearby attractions include Karuizawa Station (24 km), Mt. Kusatsu Shirane (35 km), and Honmachi Machiyakan (37 km).

Distance in property description is calculated using © OpenStreetMap

Most popular facilities

  • Non-smoking rooms
  • Free parking
  • Free WiFi
  • Family rooms

Property highlights

Perfect for a 3-night stay!

Top location: Highly rated by recent guests (9.2)

Holiday homes with:

Terrace

  • Free private parking available on-site

  • Hot spring bath

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Availability

Prices converted to USD
We have no availability here between Sat 13 Dec 2025 and Tue 16 Dec 2025

Select different dates to see more availability

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Accommodation Type
Number of guests
Price
Bedroom 1
3 single beds
Bedroom 2
3 single beds
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Limited supply in Tsumagoi for your dates: 35 holiday homes like this are already unavailable on our site

Guest reviews

Categories:

Staff
Facilities
Cleanliness
Comfort
Value for money
Location

Guests who stayed here loved

長谷山
Japan Japan
“お部屋はとても綺麗に整えられており、家具、家電、カトラリーからアメニティまで全て揃っていてとても快適に過ごせました。また、子どもが遊べるスペース（部屋）があり、娘がとても気に入りたくさん遊べました。ボードゲーム等も備えてありもちろん大人も楽しめます。外でのBBQも、澄んだ空気の中でとても楽しい時間が過ごせました。 質問があった際もすぐにお返事をいただけて大変助かりました。 日中も夜も静かで、ゆったりと充実した宿泊ができ大満足です。また利用させていただきたいです。”
Mayumi
Japan Japan
“当日、チェックインの仕方や宿の場所などをメッセージや電話で確認させていただいたのですが、すぐに返答いただきとても心強かったです！お部屋もすみずみまで心遣いが感じられて気持ちよく滞在することができました！ 宿の周辺は木に囲まれていてすがすがしく、お天気が良ければデッキでBBQしたかったです！”

Quality rating

Booking.com rated the quality of this property as 3 out of 5 based on factors such as facilities, size, location and services provided.

Managed by Secret Base Mysa

Company review score: 10Based on 3 reviews from 1 property
1 managed property

Property information

Secret Base Mysa Experience the warmth of natural wood in this cozy Swedish log house, available for exclusive private rental. The spacious living room with its high vaulted ceiling and the stunning seasonal views from the windows create a special atmosphere that will make you forget the hustle and bustle of everyday life. Perfect for families and groups, this log house is also ideally located as a base for exploring popular destinations such as Karuizawa and Kusatsu. Enjoy a wonderful getaway in this private hideaway that feels just like your very own secret base. 1F • Living Room • Dining Area • Private Room • Kitchen (IH stove / cookware / tableware / cutlery / refrigerator / microwave / toaster) • Separate Toilet • Separate Wash Basin • Washing Machine • Bathroom (shower / bathtub) 2F • 2 Bedrooms – 3 beds in each room • 1 extra bed available upon request Amenities Shampoo / Conditioner / Body Soap / Makeup Remover / Toner / Moisturizer / Toothbrush / Face Towel / Bath Towel / Hair Dryer

Neighbourhood information

Nearby Attractions • Karuizawa Prince Shopping Plaza • Karuizawa Toy Kingdom • Karuizawa Taliesin • Mt. Asama • Onioshidashi Volcanic Park • Kusatsu Onsen (Hot Spring) • Manza Onsen (Hot Spring) • Kazawa Onsen (Hot Spring) • Asama Highland Park • Golf Courses • Fishing Ponds • Baragi Lake • Yamba Dam • Ningen Bokujō

Languages spoken

English,Japanese

Property surroundings

House rules

Secret Base Mysa シークレットベース ミーサ 星の街399 takes special requests - add in the next step!
Check-in
From 15:00 to 18:00
You'll need to let the property know in advance what time you'll arrive.
Check-out
From 06:00 to 10:00
Cancellation/ prepayment
Cancellation and prepayment policies vary according to accommodation type. Please check what conditions may apply to each option when making your selection.
Children and beds

Child policies

Children of any age are welcome.

Children 13 years and above will be charged as adults at this property.

To see correct prices and occupancy information, please add the number of children in your group and their ages to your search.

Cot and extra bed policies

13+ years
Extra bed upon request
Free

The number of extra beds allowed is dependent on the option you choose. Please check your selected option for more information.

There are no cots available at this property.

All extra beds are subject to availability.

No age restriction
There is no age requirement for check-in
Smoking
Smoking is not allowed.
Parties
Parties/events are not allowed
Quiet hours
Guests must be quiet between 21:00 and 06:00.
Pets
Pets are not allowed.

The fine print

Need-to-know information for guests at this property

Please inform Secret Base Mysa シークレットベース ミーサ 星の街399 in advance of your expected arrival time. You can use the Special Requests box when booking, or contact the property directly with the contact details provided in your confirmation.

This property will not accommodate hen, stag or similar parties.

Quiet hours are between 21:00:00 and 06:00:00.

License number: M100055429