Nationwide × Private Sauna For CouplesRecommended Hotel·Ryokan - 39Page Number

A fully private villa limited to one group per day, newly opened in August 2025 on the tranquil highlands of Nagakura, Karuizawa. Set on an exclusive 700㎡ property, this refined single-story retreat is your “second home” for time with family, friends, and loved ones.Unwind in bliss with a private sauna, hot tub, and spacious custom-built bath. Outside, you’ll also find a fully fenced private dog run of approximately 350㎡, so your dog can run freely and safely.About a 12-minute drive from Karuizawa Station, with easy access to Harunire Terrace and Hoshino Onsen. Surrounded by the highland’s seasonal beauty, enjoy a level of private luxury that no Hotel can offer.

A luxury private villa (entire home rental) of over 250 m², about a 10-minute drive from Sapporo Station, within walking distance of Kita-Nijuyo-Jo Station, and close to the expressway interchange. Accommodates up to 10 guests—ideal for families, group trips, and special occasions. Enjoy an exceptional relaxation experience with a private sauna (löyly available) and an open-air bath on the balcony. Features a theater room, a living/dining area furnished with high-quality pieces, and a fully equipped kitchen. Underfloor heating and air conditioning in every room, plus free parking for 2 cars. The area offers plenty of supermarkets and convenience stores nearby, with easy driving access to ski resorts in the surrounding area such as Sapporo Teine. A luxurious private stay that combines city convenience with an extraordinary sense of escape.

Quiet TOKYO offers an exceptional space befitting a premier residential neighborhood, promising deep relaxation and an escape from the city’s bustle.A residence-like setting unlike any Hotel.The convenience and mobility only the city center can offer—something no countryside villa can match.And a luxurious experience you won’t find anywhere else.Bringing all of this together, we present a first-of-its-kind premium stay,offering you a richer time than ever before.More than just rest,spend a fulfilling moment at Quiet TOKYOto take your next step forward.

This is an authentic log cabin built from stacked logs, fully air-conditioned for a comfortable stay in any season.The scenic deck connected to each Room’s deck features a covered BBQ area that can be used even in the rain, as well as a fire pit area where you can gaze at the stars.Charcoal and firewood are provided—please feel free to use them.The sauna is also an authentic log-built structure.Please add firewood yourself when using it. It takes a little effort, but you can enjoy it whenever you like, at your preferred temperature.After the sauna, cool down in the cold plunge bath with continuously flowing groundwater, then relax on the scenic deck while watching the sky darken and the stars appear.A kitchen, stove, BBQ grill & fire pit stand, and an empty refrigerator are provided (as welcome drinks, we will stock water (2L and 500ml), tea, and beer; for guests under 20 years old we will provide juice—please help yourself).Air conditioning, Wi-Fi, and an outdoor jacuzzi are also available.With a kitchen, stove, and refrigerator on site, you’re welcome to bring your own ingredients and do simple cooking in the Room kitchen.Cookware includes pots (large/small), ladle, frying pan(s), spatula(s), cutting board(s), and knife/knives.Seasonings include rock salt and whole black pepper. Please bring anything else you may need.

Grand opening in July 2026. About 90 minutes by car from central Tokyo, this intimate private villa retreat offers six exclusive whole-villa rentals nestled in the quiet of Lake Kawaguchi. Each villa features a semi-open-air bath (artificial Onsen “Beauty & Wellness Bath”), a sauna, and a cold plunge. Meals are prepared with local ingredients for a sensory dining experience. Local alcoholic beverages and soft drinks (tea leaves) are also included as part of our drink-inclusive offering. In a gently designed space that connects you with nature, enjoy meaningful time with loved ones—or restorative time on your own. Experience your private lakeside retreat.

A private, entire-villa rental near the beach on Ishigaki Island. Set within 223 sqm of space, it features a pool, sauna, and BBQ area. Spend time away from everyday life with only the people who matter most. A place that feels like your own—one you’ll want to return to again and again.

Nestled along the calm seaside of the Miura Peninsula, “Retreat ~NAGAI BASE~” is a hidden villa designed to capture a sense of playful sophistication for adults. Inside, a refined industrial interior is accented by warm brick walls. A theater-style living room with a large projector and a beautifully functional kitchen equipped with the latest appliances create an extraordinary space to unwind. The highlight is an authentic barrel sauna on the wooden deck. Surrounded by the scent of natural wood, enjoy self-pouring löyly to relax body and mind, then cool down in the chiller-equipped cold bath and savor open-air relaxation with the sea breeze for an exceptional sauna experience. Take in panoramic ocean views from the second-floor terrace and enjoy a free-spirited, luxurious getaway with friends or family—far from everyday life.

About a 1-minute walk from Kiyomizu-Gojo Station on the Keihan Main Line, this Accommodation is nestled in Miyagawa-cho, one of Kyoto’s five geisha districts. A standout feature is the sauna and bath area that occupies the entire first floor. Centered around an inner courtyard adorned with striking art, the layout includes an authentic Finnish sauna, a chilled cold plunge bath with chiller, a healing space, and a spacious bathtub where up to four guests can relax comfortably. The sauna is equipped with a HARVIA sauna heater, known for its top global market share. The cold plunge bath features a chiller, allowing precise temperature control. Enjoy your ideal “totonoi” experience tailored to your condition. There are three bedrooms in total: one on the third floor and two on the second floor. Up to six adults can stay. Each bedroom—one of the hallmarks of the hitotose series—has its own distinct character and atmosphere, making your stay even more enjoyable. Savor quiet and enriching time in Kyoto unique to the “hitotose” series that weaves together all four seasons.

Wrapped in the light, breeze, and sea-scented air of the Setouchi region, SETOUCHI SHOWER is a private villa rental where you can indulge in the luxury of doing nothing. A semi-outdoor “hansoto” space and an airy earthen-floor area gently connect indoors and out, inviting nature softly into the living space. Unwind in a hinoki cypress bath, then after the sauna, take a deep breath on the terrace as you watch the sunset. Away from the crowds, this is a refined Setouchi retreat that quietly restores both body and mind—perfect for anniversaries or a well-deserved getaway. Enjoy a private, deeply satisfying stay.

Escape the everyday bustle and be embraced by a forest with views of Mt. Fuji— HOTEL SEION FUJI is a fully private Resort Hotel, limited to one group per day, quietly nestled in the woods by Lake Yamanaka.The name comes from “Seion,” meaning tranquility. This Japanese-modern residence was born from a rare location where no man-made structures—such as power lines—enter your view. Enjoy a roof balcony with a courtyard garden and ceilings up to 5 meters high, an indoor bath, open-air bath, and authentic sauna fed by spring water from the northern foothills of Mt. Fuji, and two bedrooms: KURO and SHIRO. From the rooftop, you can take in views of Mt. Fuji.Accommodating up to 8 guests, savor peaceful moments undisturbed—until your heart is content.

A fully private, whole-villa rental nestled in the quiet village of Karimata on Miyakojima.With four bedrooms accommodating up to 9 guests, it’s ideal for family trips or group stays with friends. Enjoy the beauty of nature all around you.Warm up at sunset in an authentic barrel sauna, then cool down in the cold plunge while taking in the ocean and lawn right in front of you, and lie back on the grass to gaze up at the sky. Experience this luxurious moment of total relaxation.Gather around the open island kitchen and large dining table to enjoy meals made with local ingredients and travel-only treats together—memories you’ll never forget.Savor the luxury of doing nothing.

Nestled in a luxurious location overlooking Mikawa Bay, our Facility is a special space where you can feel time slow down in harmony with nature.Gaze out over the sea before you and enjoy a quiet escape from everyday life.Each guest room, wrapped in calm interiors, offers both refined comfort and relaxation, and all rooms feature an open-air bath.Enjoy natural Onsen while taking in the scenery.In addition, our barrel sauna filled with the warmth of wood offers a luxurious experience that refreshes both body and mind.Enjoy your own free and special time.

About a 7-minute walk from Gora Station on the Hakone Tozan Railway, the new Accommodation “Rakuten STAY VILLA Hakone Gora” has opened, with 20 Rooms across three buildings. These private villas feature floor-to-ceiling windows and spacious terraces. Surrounded by Hakone’s magnificent nature, enjoy a relaxing stay with your family and friends while taking in the changing beauty of the seasons up close. Each Room includes a private natural Onsen bath—unwind in your own peaceful space.

Tokoro Hotel JUJI is a private, one-group-only Accommodation set in the great outdoors of Yoro Valley, Ichihara City, Chiba Prefecture, featuring a 150+ m² traditional house and earthen storehouse, plus an open-air bath and sauna. Just 60 minutes from central Tokyo—enjoy private luxury in the deep forests of Chiba.Step away from the busyness and noise of everyday life, and why not enjoy the night for once? No need to think about anything. Deep rest is waiting for you.This Accommodation has been renovated into a Hotel by making the most of the local climate and character of the area, transforming a traditional house over 150 years old. We look forward to welcoming you to a space where no one will disturb you.

A premium private villa rental that combines the comfort of a Hotel with the beauty of nature. The terrace features BBQ facilities and a private sauna, offering an open and relaxing escape.

Located in the Kondo area of Niseko Town, with excellent access to major ski resorts, mountain streams, and lakes. This is an ideal location for guests who want to explore all of Niseko with ease rather than stay in one place. The modern interior, warmed by natural wood, features a fully equipped kitchen with high-quality appliances and essential amenities such as a washing machine to support comfortable long-term stays and Multiple Night Stay. With outstanding access throughout the region, you can fully enjoy the magnificent nature of Hokkaido and Niseko during your stay. Head out by day to snowy slopes or lush green mountains, watch Mt. Yotei change its colors at dusk from the second-floor living room, then unwind at night in your private sauna. Enjoy an extended stay that combines everyday convenience with Hokkaido’s dynamic seasons through all five senses.

Set a little apart from the bustle of central Niseko, this quiet Annupuri-side area is embraced by tranquil forest and clear flowing water. More than a base for sightseeing, it’s a front-row seat to enjoy Niseko’s magnificent nature in peace. With excellent access to the slopes, Niseko Annupuri International Ski Area is about an 8-minute drive away—making it easy to repeat “ski,” “return,” and “rest” as part of your everyday rhythm. In winter, unwind in the hush of snow-covered surroundings; in summer, relax amid crisp air and vibrant green leaves. This is a hidden retreat where you can explore all of Niseko with ease while savoring nature with all five senses and enjoying unhurried, luxurious time.

Nestled on the northern foothills of Mt. Asama, Kita-Karuizawa is known for its cool, refreshing air. This designer villa—limited to one group per day—was created in an extraordinary setting: a vast private woodland of about 1,000 tsubo with a stream running through it. The open single-story home (3LDK) offers over 100 sqm of space and accommodates up to 10 guests, providing a luxurious retreat perfect for an unforgettable getaway with your loved ones.The symbol of this Accommodation is the “treehouse,” accessed via a suspension bridge from the wooden deck. Surrounded by the untouched forest of Kita-Karuizawa, stepping into this hidden treetop hideaway brings an exceptional sense of immersion—feeling truly at one with nature. At night, enchanting lights and the glow of a campfire illuminate the trees, drawing you into a fairytale-like world of quiet serenity.On-site, you’ll also find an authentic Finnish sauna by HARVIA and a cold plunge bath with chiller support—even suitable for single-digit water temperatures (°C). Outdoor relaxation wrapped in the scent of pristine woods at Mt. Asama’s foothills and the natural sound of flowing water delivers an unparalleled sense of deep renewal found only here.Cross the wooden deck and open the treehouse door to discover a secret base that brings out the child in everyone. Immerse yourself in the magical forest scenery of Kita-Karuizawa and enjoy an extraordinary escape to your heart’s content.

Nestled on the northern foothills of Mt. Asama in Kita-Karuizawa, where crisp, cool air drifts through the trees, COCO VILLA Kita-Karuizawa 02 is a private villa limited to one group per day—perfect for an extraordinary getaway with your dog. Set on a vast 1,000-tsubo estate (approx. 3,300 m²) with a gentle stream running through it, this newly built single-story home (over 100 m² / 3LDK) offers a dog-first space where your loved ones can relax comfortably and safely.In front of the villa lies a private dog run spanning an impressive 378 m². With open skies peeking through the trees and sunlight and breezes flowing freely, you can unwind on the wooden deck while watching your dog run off-leash to their heart’s content.Inside, you’ll also find an authentic sauna equipped with a HARVIA electric heater and a cold plunge bath with chiller. Enjoy outdoor relaxation on the terrace surrounded by lush forest for the ultimate reset. Group stays are also possible by booking both this villa and neighboring Villa 01 together. Savor an exceptional resort stay that deepens your bond with your dog.

COCO VILLA Hakone Sengokuhara is a private rental villa nestled in the tranquil resort area of Sengokuhara, Hakone—just far enough from the busy tourist spots to let your mind and time unwind. This chic Japanese-modern home (3LDK) accommodates up to 12 guests. Beyond the large windows, a spacious garden and trees spread out, allowing you to relax in peace without worrying about outside eyes. In the garden, you’ll find a rare egg-shaped sauna by BURROW and an authentic bonfire area. After refreshing in the sauna’s gentle heat, enjoy a deeply satisfying moment with a cold plunge bath and outdoor air bathing. At night, watch the flickering flames and savor the simple luxury of unhurried conversation. Inside, thoughtful features such as a projector and a large custom kitchen table with a bar-like ambiance make gathering together especially comfortable. Enjoy a refined getaway where you can stay as if living at your own pace—with close friends or family.