Nationwide × Stays Popular For SaunaRecommended Hotel·Ryokan - 93Page Number

Limited to one group per day, enjoy a luxurious stay in complete privacy. Beyond the large windows stretches an endless ocean view. The room features a private sauna, available whenever you like regardless of weather or season. Surrounded by tranquility, spend your time with the sound of the waves and gentle light. Step away from everyday life and unwind both body and mind with a truly special stay. Experience this one-of-a-kind refined space—perfect for precious moments with someone special.

Set on a 1,000+ m² property with a 500 m² building, this luxurious space features 1 main bedroom and 3 additional bedrooms, with 1 king bed and 10 double beds. Accommodates up to 16 guests. Enjoy a soaring 7 m double-height living room, abundant natural light through large windows, a custom wood-fired sauna, an outdoor jacuzzi, a fire pit, and BBQ facilities. Ideal for families, groups of friends, exclusive corporate use, and stays with pets. Experience an exceptional escape in harmony with nature.*This Accommodation can host up to 16 guests. If you wish to add more guests, please contact the Facility’s guest support after completing your Reservation. *Meals such as breakfast and BBQ dinner are also available; additional guests and menu upgrades can be arranged. Please feel free to contact the Facility’s guest support for details.

Escape the bustle of everyday life and enjoy a relaxing, private stay with your family, surrounded by breathtaking views of the blue ocean right before you—and on clear days, majestic Mt. Fuji.Play with your children in the spacious private pool, soothe your body and mind in natural Onsen waters, and unwind at your own pace in the sauna...A luxurious getaway where everything is complete within a single villa.From the living room, take in beautiful ocean views; at sunset, the scenery looks like a painting.The kitchen is fully equipped, making family meals another highlight of your stay.Perfect for holidays, anniversaries, and extended vacations—ideal for special occasions.Enjoy a resort stay with complete privacy.Create unforgettable family memories at Primera Villa.

A private villa for one group per day, "COCO VILLA Oarai," where you can relax with your loved ones surrounded by the sea breeze. The rooftop features a jacuzzi and a glass-walled sauna with panoramic views of the Pacific Ocean. In the relaxation space, enjoy moments of tranquility as the sound of waves soothes both your mind and body. Wake up bathed in sunlight, share meals while chatting, and unwind under a starry sky—experience a getaway where you can truly open your heart without hesitation. This "journey with room to breathe" is quietly watched over by the sea and sky. Accommodating up to 10 guests, it offers parking for three vehicles, making it ideal for large groups or multi-generational stays. With BBQ facilities available, indulge in an exceptional BBQ experience while surrounded by starlight and the sound of waves.

The scent of tatami, the warmth of wood, and quiet moments unfolding in the garden. Jinbei Residence is an Accommodation where you can rent an entire former residence of a high-ranking samurai of the Hirado Domain. In the morning, feel the garden’s light and breeze from the veranda; relax and chat in the sunken living room or tea room; then during the day, gather ingredients in the dining kitchen and enjoy cooking together with family or friends. In the outdoor sauna by the garden, you can take in views of Hirado Castle while surrounded by the aroma of wood, refreshing both body and mind. Here, rather than simply visiting sightseeing spots, “living as you travel” is part of what makes your stay special. In this historic setting, enjoy a fulfilling experience that takes you away from everyday life.

A cozy living room with a wood-burning stove, a high-temperature sauna by Harvia, a cold plunge pool with a chiller, and an infinity-style open-air bath gently soothe your senses. On the terrace overlooking the sea and cityscape towards Kansai International Airport, enjoy an outdoor air bath while feeling the breeze. Upon request, we can arrange an authentic teppanyaki dinner prepared by a private chef. Escape from everyday life and indulge in moments of tranquility and luxury.

SANU 2nd Home is "another home" where your mind and body can relax, and your senses awaken.Step away from the hustle and bustle of city life to experience a second home where you can connect with nature through all five senses and live life with your own hands. Among the various SANU 2nd Home locations, South Alps 1st is perfect for those seeking a quiet retreat away from urban noise. Surrounded by majestic mountains, you can immerse yourself in thought or reading, or enjoy active pursuits like hiking at Tennyo Mountain or Ojiragawa Gorge.This independent architectural design seamlessly connects living spaces with nature through an integrated living room and balcony. The cabin reflects care for the mossy forest's flora and fauna, embodying love for our planet. With features like an open workspace, a sociable kitchen-dining area, skylights that let in natural light, and windows offering views of nature from anywhere in the Room, this second home extends daily comfort into a harmonious lifestyle with nature.In the morning, quietly grind coffee beans on the terrace as sunlight filters through the trees.At noon, play seasonal music playlists and let yourself be carried by sound.In the evening, toast with natural wine while listening to insects' songs.At night, add firewood to a campfire as you delve into deep thoughts.The possibilities are endless.Find your perfect way to spend time here!

■ 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. Abundant use of wood both indoors and outdoors creates 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 requires 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 with flavors that resonate with the atmosphere of this land. *Please note that food, drinks, and activity Reservations are scheduled to open sequentially (from November onwards). Depending on operational circumstances, Reservations may need to be made directly with the Facility instead of via IKYU.com.*

■ 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 that complements 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 requires Reservation.) ■ Fine Beverages As a welcome drink, enjoy Hakone’s only craft beer, "GORA BREWERY." Pre-ordering natural wine is also available upon request. Local beverages enhance your stay with their connection to this unique environment.*Please note that food, drink, and activity Reservations are scheduled to open sequentially (from November onwards). Depending on operational circumstances, you may need to make Reservations directly with the Facility instead of through IKYU.com.*

"THE RIHAN Minamiaso Mizu no Accommodation," a renovated traditional Japanese house over 150 years old, offers an exclusive one-group-per-day private stay. Enjoy breathtaking views of the outer rim mountains and the Aso Five Peaks right in front of you, and a sky full of stars at night. Rejuvenate your mind and body with a SPA featuring a sauna, cold bath, and reclining bath, or relax by the flickering flames in the living room equipped with an irori hearth and fireplace. Savor local ingredients through teppanyaki dining or enjoy blueberry picking in early summer. This accommodation is surrounded by the serene harmony of Minamiaso's nature and lifestyle. Relish seasonal delights while engaging in trekking, spring water tours, stargazing, or traditional craft experiences for a fulfilling stay. Immerse yourself in local festivals or kagura performances as you embrace the richness of simply "being" amidst slow-flowing time at this unique retreat.

Opening in October 2025 A small-scale private villa with only 3 rooms, exclusively for 1 to 2 adults. *Please note this is a semi-detached type and not a whole-building rental. Located in Atami, near Yugawara at the southwestern tip of Kanagawa Prefecture, this accommodation spans a spacious area of 1,861m² (543 tsubo). It accommodates up to 3 groups or a maximum of 6 guests per day, making it ideal for those seeking privacy. Each room is built using traditional construction methods and features an open-air bath with natural Onsen reclining bath, sauna, cold bath, and heated pool (available except from December to April). Enjoy your own special time away from the hustle and bustle of daily life in this private villa that prioritizes harmony with nature without any disturbances from the surroundings. - Accommodation is not available for high school students or younger guests. - In accordance with the revised Health Promotion Act, smoking is prohibited throughout the premises including guest rooms. - Pets are not allowed on-site.

A private villa surrounded by the serene sea and greenery of Minamiboso and Tateyama, "The Pacific Retreat TATEYAMA." Featuring a modern space with a sauna and a cold plunge pool with a chiller, we offer you a retreat experience to rejuvenate your mind and body while feeling the ocean breeze. Medium-sized dogs are welcome, making it perfect for stays with family or friends. Enjoy excellent access to the sea, golf courses, and tourist attractions while indulging in luxurious moments in harmony with nature.

Spend an elevated holiday in a luxurious private space nestled in Futo, Ito City. Enjoy an exclusive spa experience with a private pool, sauna, and natural Onsen on a vast property accommodating up to 10 guests. Bring your furry friends along and indulge in a relaxing retreat in Izu where everyone can unwind to their heart's content.

Surrounded by lush greenery with a view of the distant Sagami Bay, ATAMI Baby Funny offers a serene and refreshing atmosphere. Indoors, enjoy barbecue and relax in the Onsen. On the wooden deck, gaze at the vast sky from summer beds and marvel at the star-filled night. Feel connected to nature and rejuvenate your mind in a barrel sauna while embracing the essence of Earth’s beauty. Immerse yourself in nature's fragrance and indulge in a truly soothing experience that invites deep breaths of relaxation.

DEEP RELAX, DEEP DETOX. Nomanoya A private, whole-house traditional villa where “time slows down for you.” A place where it truly feels like “your time stops.” A sauna incorporating a tea room, accompanied by the gentle murmur of the river. A relaxation space for stargazing. Listen to the clear stream nearby and the birdsong. Breathe in the oxygen-rich air created by the satoyama landscape. There are moments here when you can feel time slowly come to a standstill. One group per day—luxurious time reserved just for you. Spend your stay in this former silk-farming residence, built around 100 years ago.

Casablanca Villa Hakone, located on an elevated area in Motohakone with views of Lake Ashi. This private villa features a year-round heated infinity pool (38-40°C, additional fee for heating) and a hinoki sauna. With 3 bedrooms and up to 5 beds, it is perfect for family trips, groups of friends, or corporate retreats. A BBQ grill is also available by the poolside for an additional fee. After the sauna, enjoy fresh air on the terrace overlooking Lake Ashi. Experience a serene and luxurious stay in Hakone with complete privacy.

Just one hour from the city, you’ll arrive at a seaside paradise woven with blue and light.
Inspired by this concept, we opened in 2025 as a place where your mind and body can feel truly fulfilled. A 10-minute walk from Miura-Kaigan Station, this small-luxury condominium offers just four rooms in an exceptional location with easy access from central Tokyo.Your finest moments by the sea—“living with the ocean, feeling your heart full.” Set in a prime beachfront location, every room enjoys sweeping ocean views. During your stay, you can easily enjoy marine activities such as wing foiling, offering special experiences far removed from everyday life. Each room features a private pool—your ultimate hidden retreat. Ocean-view bathrooms and refined stone-inspired interiors create a serene sense of relaxation. Select rooms also include a private sauna for an indulgent experience that restores both body and mind.

Enjoy an exclusive stay in a spacious 266㎡ 3-bedroom villa, rented out entirely for your comfort. Relax on the bedroom terraces on each floor, where you can feel the gentle sea breeze and unwind in tranquility. Indulge in a luxurious retreat with a private pool and sauna, offering a space to live as if it were your own home. The third floor features an open 41㎡ living and dining kitchen area, perfect for sharing meals and conversations with family or friends. Equipped with six semi-double beds, two bathrooms, Wi-Fi, and appliances, this villa is ideal even for long-term stays. Escape from daily life and immerse yourself in the serene beauty of Okinawa's nature for an exceptional private getaway.

Approximately 50 minutes by car from Naha Airport, this luxurious private villa overlooks the serene sea of Azama Beach in Nanjo City. Enjoy exclusive use of a spacious 250 sqm 3LDK villa, perfect for groups or family stays. The property features a private pool and sauna, offering an extraordinary resort experience. On the open-plan third-floor living room and terrace, savor meals or conversations while feeling the ocean breeze. The villa includes three spacious bedrooms with six semi-double beds and two bathrooms for your comfort. Equipped with free Wi-Fi and modern appliances, it is ideal for long-term stays as well. The interior is designed to be relaxing and child-friendly with a no-shoes policy indoors. Immerse yourself in ultimate luxury surrounded by the natural beauty and tranquility of southern Okinawa.

A private, entire-home villa embraced by lush forest and the gentle murmur of a river flowing through the property.Through the expansive 5.5 m window, all you see isthe forest through the seasons and the quietly flowing river.An elevated floor, terrace, soaking bed bath, and a cold plunge after the sauna—wherever you choose to be, you’re surrounded by views of forest and river.Laughter and even the sound of your dog running softly melt into the woods.Set your phone aside and take a moment to breathe in the scent of the forest and listen to the river.Nature—and you—gradually come back into balance.This is a stay that one day simply isn’t enough for.Enjoy a villa life in the forest with your family and your dog.