Nationwide × Onsen Resort AccommodationRecommended Hotel·Ryokan - 110Page Number

Opening in 2025. A private, whole-cabin retreat nestled in the quiet of the forest. Every cabin features an authentic Finnish sauna, an outdoor relaxation area to feel the surrounding nature, and a cold plunge bath. Unwind with a sulfur hot-spring open-air bath from Nasu Yumoto and a sauna—an extraordinary time to shed the everyday and return to your true self. A truly pet-friendly design where your beloved dog can stay with you even on the bed. Enjoy an adults-only Nature Escape and the luxury of doing nothing.

A private villa nestled in the hillside resort community “Shizen-kyo,” overlooking breathtaking panoramic views — AMAO VILLA Shizen-kyo. To help you fully enjoy the scenery, the double-height living room features large windows, and a swing bench awaits on the third floor. The authentic natural hinoki sauna can be enjoyed by up to 7 guests at once. On the outdoor terrace, unwind and savor a blissful “totonoi” moment as you take in the magnificent surroundings. Let Atami’s rich natural beauty soothe you, and spend a truly relaxing, unforgettable stay here.

A private villa for one group per day, "Senshin-an," nestled in the tranquility of Azumino at the foot of the Northern Alps. Spanning over 200 square meters, this Japanese-modern retreat features exquisite wooden craftsmanship by master carpenters and an authentic tea room. Enjoy a blissful time soaking in natural Onsen with free-flowing spring water while taking in the seasonal scenery. Escape from daily life and indulge in the luxury of doing nothing—this special moment is yours alone to cherish here.

A 65-year-old traditional Japanese house has been renovated into a private resort, Chikusen, blending the beauty and warmth of Japanese aesthetics. The Japanese garden, viewable from the rooms and bath, features bamboo and plum trees that provide a serene atmosphere. Located within walking distance of Atami's popular shopping streets, you can enjoy both sightseeing and relaxing time at this accommodation to the fullest.

A refined private villa to share with someone special, embraced by nature. Private whole-villa rental Onsen Accommodation: “TenangTenang - Izu Oceanic Villa”In spring, enjoy elegant cherry-blossom viewing beneath sakura trees over 150 years old. In summer, savor a seasonal Izu BBQ on the terrace overlooking the sea of Jogasaki. In autumn, gaze up at a sky filled with brilliant stars. In winter, warm yourself from the core in our free-flowing natural hot-spring Onsen.As the seasons change, you’ll find “healing” and “connection” that can only be experienced here.With karaoke, table tennis, mahjong, PS5, a hidden-base bar, and a meeting room, you can also enjoy a workation that blends both work and play— and perhaps spend an even more productive time than usual.Because this is an entire villa reserved exclusively for you—free from interruptions— enjoy a luxurious stay at your own pace and create moments that are uniquely yours.

The breathtaking view of Oshima Island and the azure sea, an unobstructed sky, and a serene forest wrapped in lush greenery. Experience this stunning scenery at the private villa "Gran Atagawa" in Izu-Atagawa. Perched on a hilltop, the villa offers panoramic views of majestic nature that changes with each season. Indulge in luxurious moments while gazing at the sparkling blue sea and Oshima Island. The interior features a private bath using natural Onsen water, along with a fully equipped sauna and cold plunge pool. At night, enjoy movies or videos in the theater space with a large projector screen. With four bedrooms accommodating up to 16 guests, it is perfect for family trips, group gatherings, or multi-generational stays. Sophisticated interiors and comfortable spaces add charm to your special day. Located about 8 minutes by car from Atagawa Station. Escape from your busy daily life to this place of relaxation and rejuvenation!

Experience the ultimate Onsen in a luxurious view bath, enjoy the sauna, and stay with up to 11 guests. Relax in a quiet and stylish room at your leisure.Parking available for 2 cars (on-site). A private accommodation with an exceptional Onsen overlooking the rias coastline of Izu.

A private villa with the concept of "Cozy×Natural," opened in December 2025, offering a warm wooden ambiance. Equipped with a tent sauna, cold bath, and kitchen, it comfortably accommodates up to 6 guests (4 adults + 2 children sharing existing bedding). Enjoy a fully private space where you can relax at your own pace without worrying about others. The calm interior includes a living room, bedroom, and kitchen, making it perfect for stays with family or friends. Designed barrier-free for the comfort of families with small children or elderly guests. Conveniently located within a 3-minute walk from convenience stores, supermarkets, and restaurants. While there is no Onsen in the guestroom itself, you can enjoy complimentary access to the Onsen large public baths of the Ichinoyu Group. Experience Hakone time by "staying as if living," different from traditional Ryokan accommodations!

■ Wooden Architecture in Harmony with Nature by Fumihiko Sano Studio "GEOSPOT MOTOHAKONE," designed by architect Fumihiko Sano, is located in Motohakone, surrounded by Lake Ashi and the Hakone Volcano. The design incorporates abundant use of wood both indoors and outdoors to create a landscape befitting Hakone's history and nature. ■ Private Space Like a Hidden Retreat All guest rooms feature natural flowing simple sulfur Onsen sourced from Motohakone Onsen. Relax while enjoying views of the courtyard garden without worrying about time. The second floor offers a private sauna, cold bath, and terrace for outdoor relaxation. Experience deep rejuvenation through unique "Löyly" combining breathing techniques and hydrotherapy crafted by "madsaunist." ■ BBQ Enjoy BBQ on the outdoor deck. Bring your favorite ingredients for a free-spirited experience or choose from curated sets featuring game meat selected by Odawara's "Hasegawa Gibier Butcher Shop" or local vegetables harvested at "Seisho Umikaze Farm." (Grill rental available with Reservation) ■ Fine Beverages As a welcome drink, enjoy Hakone’s only craft beer, "GORA BREWERY." Natural wine can also be pre-ordered upon request. Local beverages enhance your stay’s lingering charm in harmony with this land’s atmosphere. *Please note that food, drink, and activity Reservations are expected to open sequentially (from November onwards). Due to operational reasons, these may need to be booked directly with the Facility instead of via IKYU.com.*

Just a short distance from Atami Station, an unexpectedly tranquil time flows here. In the courtyard, enclosed by single-story buildings on all sides, two towering trees reach up to the sky, and the reflecting pool vividly mirrors the seasonal greenery. Designed around the concept of “spending time with the garden,” this villa features a spacious living room, a bedroom with Simmons beds, and a fully equipped large kitchen. It gently embraces precious moments shared around the table with those who matter most. Unwind to your heart’s content in the garden-view semi-open-air Onsen bath overlooking the entire courtyard. And enjoy a theater room with a 100-inch big screen and a massage chair. Gaze at trees swaying beyond the rising steam, and simply surrender yourself to the moment in silence. This is a villa for adults who know the luxury of doing nothing.

A town accommodation boasting a breakfast served in a 107-year-old Taisho-era townhouse.Enjoy the private cypress wooden bath crafted by the artisans of the Wooden Bucket Craftsman Revival Project, as well as the nearby Busshozan Onsen (public bath).Breakfast is served in a spacious room overlooking the courtyard. Freshly cooked rice prepared in individual pots, paired with homemade side dishes chosen to complement your meal. Miso soup is made hot at your preferred timing using our special miso balls. Indulge in tamago kake gohan (rice topped with egg) using free-range eggs and soy sauce brewed in wooden barrels.We aim to host you as if welcoming someone special into our home. A little more luxurious than usual, a little more thoughtful than usual—simply warm breakfasts to nourish both body and soul. With this heartfelt hospitality, we hope to help you regain tranquility and find fulfillment in everyday life.

A new style of Accommodation where you can enjoy soothing hot water and a playful spirit in a historic Onsen town.In the charming Awara Onsen area, a private “Onsen Accommodation” has been born.Every guest room features its own in-room bath supplied by our private natural hot spring source, and we also provide fun “Onsen play” items such as a shaved ice machine.Step away from everyday life and share an experience of Fukui and its Onsen with someone special.

SANU 2nd Home is your “second home” where body and mind can truly rest and your senses awaken.Step away from the pace of city life,feel nature with all five senses, and live by your own hands in a second home.SOWA Izu is a retreat set along the Futo Coast, where nature’s richness and rugged beauty coexist.In harmony with the dramatic shoreline formed by an eruption of Mt. Omuro around 4,000 years ago, it offers a stay wrapped in quietness and ease.Named after the towering terrain “Sowa,” this place opens onto airy spaces with the sea close at hand.Every room features an ocean view, and each terrace includes an open-air Onsen. Take in the ever-changing seascape as you unwind at your own pace.How you spend your time is entirely up to you.Listen to the waves and enjoy moments where openness and tranquility come together.

In a renovated former fruit-sorting facility, we offer ocean suite rooms, all with private terraces.Enjoy the view of Tachibana Bay beyond your window and the gentle sound of the waves as you unwind in pure, unhurried luxury.Just about a 4-minute drive from Obama Onsen town yet set in a quiet location away from the bustle, it’s an ideal retreat. Stop by the on-site café, take a deep breath while gazing at the sea, and enjoy a stay that lets you feel the nature of the Shimabara Peninsula.

Three detached cottages, [Umi no HANARE], are closer to the sea than the main building and also conveniently close to the main building’s large public bath. All five buildings feature a deck where you can enjoy a BBQ while feeling the ocean breeze. The VILLA is equipped with a sauna and jacuzzi—truly an “adults-only hideaway.” Parking is available in front of each cottage. Umi no HANARE consists of three thoughtfully designed cottages with distinctive interiors: “Ao,” “Midori,” and “Daidai.” Enjoy a luxurious stay in a private, whole-rental cottage at Takasuso National Accommodation.

Savor abundant nature with all five senses and enjoy a serene moment of relaxation.A villa-style Accommodation with 18 buildings and 20 Rooms, perched on a hill in Yufuin and surrounded by beautiful scenery.Every Room features its own private natural Onsen bath and sauna.Unwind with family or friends in thoughtfully designed private spaces, and enjoy a truly luxurious stay.We also offer in-room dining supervised by a renowned culinary inn, made with carefully selected ingredients from Oita.Escape the everyday and set your mind free at “Rakuten STAY VILLA Yufuin Onsen.”

Nestled in the majestic mountains of Hakone, “Noël Hakone Skylight” offers breathtaking views of Lake Ashi through its skylight and a vast 4,000 m² property. The refined residence of over 200 m² was reborn through a full year of renovation, driven by the owner’s passion for this extraordinary landscape and pursuit of an ideal retreat.From the luxurious 200 m² wooden deck, take in Hakone’s scenery in every season. With BBQ equipment provided, dining in the crisp mountain air is exceptional. Outdoors, you’ll find a Nordic-style barrel sauna. After warming up thoroughly, unwind in the jacuzzi under a star-filled sky—an indulgent experience for both body and mind. Indoors, a dignified Towada-stone bath and semi-natural Onsen promise quiet moments of deep relaxation.By day, be captivated by vivid greenery and the lake’s deep blue; by night, hold your breath at the magical scene created by countless stars and shimmering reflections on the water—moments so special they feel as if time has stopped.The villa is fully equipped with essential appliances and amenities, beautifully blending urban convenience with mountain serenity. Enjoy “Hakone time” in an ultimate private space surrounded by nature—your escape from everyday life.

Succulent Izu red sea bream, rich with flavor. A clear mind after the sauna. Conversations that never end by the fire. Hiire is a private villa where fire brings out the best in every ingredient. Source local Izu produce yourself and cook it slowly over a lava-stone irori hearth—an immersive “self-auberge” stay. Hiire OLIVE is an airy, standalone villa with open views of the olive grove right in front of you.

Succulent Izu red sea bream, rich with flavor. A mind set free in the sauna. Conversations that never end by the fire. Hiire is a private villa where fire brings out the best in every ingredient. Source local ingredients from Izu yourself and slowly cook them over a lava-stone irori hearth—an immersive “self-auberge” stay. Hiire OMURO is a serene standalone villa with an unobstructed view of Mt. Omuro right in front of you.

Succulent Izu red sea bream, rich with flavor. A mind set free in the sauna. Conversations that never end by the flames. Hiire is a private villa where fire brings out the best in every ingredient. Source Izu ingredients yourself and slowly cook them over a lava stone hearth—an immersive “self-auberge” stay. Hiire FUTO is an airy, standalone villa with an open feel and a refreshing view out to the sea.