LONGINGHOUSE Kyukaruizawa Suwanomori is a boutique hotel in Karuizawa, Japan, just 0.5mi from the city center. Address: Karuizawa 878-2. Price starts from $456. The listing has 73 reviews.

Amenities include a restaurant, free private parking, and an adults-only atmosphere, with complimentary Wifi, air conditioning, and a bar. Massage services are available for an extra charge, while non-smoking rooms come with free toiletries and a bathtub.

With 73 reviews, this property offers a distinctive adults-only escape in Karuizawa, blending modern comforts with a serene setting. A stylish option for travelers seeking an adults-only stay in Karuizawa.

Just 0.5mi from Karuizawa’s center, this adults-only boutique escape invites travelers to unwind in a calm, stylish setting. The neighborhood offers easy access to shops and cafés, while the property blends contemporary design with a tranquil atmosphere—an ideal base for exploring Karuizawa.

On-site dining features レストラン #1, serving Japanese and European fare, with a bar ready for sunset drinks. Cash is accepted, along with JCB, Diners Club, Mastercard, and Visa, making payment convenient. Massage services are available for an extra charge, adding a touch of pampering for those who crave a little self-care during the stay.

Accommodations come in multiple twin- and suite-style layouts, with sizes ranging from around 30 to 431 square feet. Notable options include Executive Twin (431 sqft) accommodating up to 10 adults and 6 children, and Superior Twin (409 sqft) for up to 4 adults and 3 children. For cozy stays, Moderate Twin and Comfort Twin are available, with some units offering a scenic view; plus suites with kitchen facilities, including Suite with Kitchen (538 sqft) and Suite Single Use with Kitchen (538 sqft), as well as Garrett configurations such as Garrett Attic and Garrett, 2 Twin.