Iwai Station × Stays Popular For SaunaAffordable Hotel·Ryokan to stay

80 minutes by car from Tokyo. A glamping Facility has been established along the Hojo Coast in Tateyama, Minamiboso. This Facility features an American high-grade trailer as a Property, equipped with a deck of approximately 20 tatami mats (32㎡) right in front of the sea. Guests can enjoy barbecues and sunbathing while gazing at the ocean and feeling the sea breeze. During the summer, you can dive into the sea for fun, and an outdoor jacuzzi is also available. You are welcome to bring your own food and drinks to enjoy a BBQ on the deck. Spend a luxurious time on the deck while admiring the ocean view.

Please visit Tateyama Onsen Yuhikaigan Shokaku, an Accommodation overlooking Kagami-ga-ura, selected as one of Japan’s Top 100 Sunsets. On clear evenings, you can enjoy both the setting sun and Mt. Fuji. From the top-floor Western-style rooms, take in panoramic views of Tateyama Bay, and savor a Japanese set meal in our calm, welcoming dining room. We also offer Plans that include abalone, spiny lobster, or Kazusa Wagyu beef.

A private space surrounded by over 2m high exterior walls, featuring a dedicated pool for children, an open-air heated jacuzzi, and a barrel sauna. Perfect for creating memories with three generations of family or accommodating up to three families, with a maximum capacity of 12 guests. After enjoying self-pouring in the sauna, you can use the pool or jacuzzi as a cold bath. Relax with an outdoor air bath using garden chairs or a hammock. The pool is cleaned, circulated, and disinfected year-round, making it usable as a cold bath regardless of the season. The covered wooden deck terrace is equipped with an American-made BBQ gas grill, allowing you to enjoy a BBQ with a large group. Just a 1-minute walk to the beach, where you can enjoy marine activities, fishing, or fireworks at night. Pets are welcome, so you can take a stroll along the coast or relax indoors with them. A convenience store is a 5-minute walk away, and AEON Tateyama is just a 3-minute drive, ensuring you won't waste time shopping for any necessities. Located just 70 minutes from the city center, why not experience a luxurious glamping stay at this private villa designed for ultimate relaxation? As an optional service, you can rent a luxurious Tateyama Bay cruiser charter with a driver. Advance Reservation is required, so please contact us if you are interested.

A 70-year-old traditional Japanese house has been renovated and expanded with an open-air bath and sauna, becoming a one-group-per-day exclusive rental property. It features carefully selected interiors and comprehensive facilities, offering a Japanese-modern facility. You can experience the changing seasons while enjoying the leisurely flow of time unique to the satoyama.

A private space surrounded by over 2m-high exterior walls features a dedicated pool for children, an open-air hot water jacuzzi accommodating up to 6 people, and a barrel sauna. After enjoying self-pouring in the sauna, you can use the pool or jacuzzi as a cold bath. Relax with an outdoor air bath using garden chairs or outdoor lounge beds. The pool is cleaned, circulated, and disinfected year-round, making it available as a cold bath regardless of the season. The Property accommodates up to 13 guests, perfect for creating memories with three generations of family or for three families, including friends. The living room is equipped with an 85-inch large smart TV, and the bedrooms feature layout-free smart TVs. In the Japanese-style room, enjoy videos and games with a 100-inch smart projector (Aladdin X2 Plus). The covered wooden deck terrace is equipped with an American-made BBQ gas grill, ideal for enjoying BBQs with a large group. Just a 2-minute walk to the sea, you can enjoy marine activities, fishing, and even fireworks at night on the beach. Pets are welcome, allowing you to take walks along the coastline or relax indoors together. A convenience store is a 5-minute walk away, and AEON Tateyama is just a 3-minute drive, ensuring you won't waste time shopping for any necessities. Located just 70 minutes from the city center, why not experience a luxurious glamping stay at this relaxing private villa? As an optional service, a luxurious Tateyama Bay cruiser charter with a driver is available for rental. Advance Reservation is required, so please inquire if interested.

A one-group-per-day exclusive Property with the ocean spreading out right in front of you. Inside the cute, white, round dome house, you will find a fully equipped kitchen, bathtub, toilet, and bed. Only in Building B, you can stay with one small dog. The premises offer a spacious area with a wooden deck for BBQs and an open sauna, both of which are private spaces available for guests. On clear days, you can enjoy the sunset over the ocean and a sky full of stars. Spend your time freely, enjoy your stay, and let nature soothe you.

HARUKA KANATA - Another Home Away from Home - Nestled quietly in the serene countryside of Hirakuri Shimo, Minamiboso, Chiba Prefecture, lies a vast private space spanning approximately 5,000 square meters. Within this expansive area are three unique villas: "HARUKA," "KANATA," and "SUMIKA." This exclusive private sauna villa accommodates up to two groups per day and a maximum of 20 guests. Do everything you want. Or do nothing at all. Under the starry sky, enjoy irreplaceable moments as the flickering flames of a bonfire dance in silence. Experience the richness of simply being amidst nature's harmony with all your senses. HARUKA KANATA consists of three villas designed for various occasions—whether for couples, small groups, or larger gatherings. All accommodations include access to shared facilities such as saunas, open-air baths, BBQ grills, wood/pellet stoves, and fire pits.■ SUMIKA Villa (1–6 guests; 1 bedroom; 97 sqm) Opening in May 2025! The new SUMIKA villa is inspired by the concept of a forest dwelling and is ideal for couples or small families/groups. Its seamless indoor-outdoor living space offers an immersive experience surrounded by nature. Accommodates up to six adults plus two preschool-aged children.■ KANATA Villa (1–12 guests; 4 bedrooms; 180 sqm) With four bedrooms available, this villa is perfect for larger groups such as three to four families but also suitable for couples or smaller groups seeking comfort and privacy. Enjoy saunas, open-air baths, wood stoves, bonfires—all amidst breathtaking natural surroundings.■ HARUKA KANATA Villa (1–14 guests; 5 bedrooms; 250 sqm) This option combines both HARUKA and KANATA villas into one exclusive rental space—ideal for larger parties while still accommodating smaller groups with optional add-ons like HARUKA Villa access only when needed.Additionally: HARUKA Villa uniquely allows pets! (*Note: Currently unavailable as an individual rental.)With the addition of SUMIKA Villa alongside HARUKA KANATA Villas combined into one booking option—accommodating up to six rooms total—the property can host up to a maximum capacity of twenty people comfortably! Perfectly suited even for team retreats or group training camps!

A private vacation rental designed for families who cherish time with their beloved dog.Take a walk with your dog along the sandy beach right in front of you.The indoor bath is on the mezzanine level, and the sauna and cold plunge are on the 2nd-floor balcony—relax at your leisure while enjoying ocean views.A private pool built shallow so your dog can join in too.Enjoy BBQ on the terrace as well.There is also a dog run, making this a Facility you can enjoy together with your pet.To keep your dog happy too, we offer a dedicated dog bathroom and grooming table.The dog-bath shower is equipped with microbubbles—not only to remove dirt, but also to help revitalize coat quality and provide relaxation benefits.Please unwind at this Facility where both dogs and owners can truly enjoy their stay.

“Cap Martin Funny House” is a resort-like retreat inspired by the beautiful village of Cap Martin in the South of France, surrounded by clear seas, blue skies, and the scent of nature. The fully glass-fronted structure facing the ocean bathes in warm sunlight during the day and transforms into a lantern floating on the sea with enchanting lights at night. Located about an hour from the city center, this private residence overlooking the mild southern Boso coastline offers a serene and elegant getaway.

This is a newly built private vacation rental villa, exclusively for one group per day, located just steps away from Nagomi Beach, where you can feel the ocean. The outdoor area features fully artificial turf, a covered wooden deck, an American BBQ grill, and a large heated jacuzzi. You can share time with your family or group in the outdoor Facility and LDK, while ensuring privacy in the three private Rooms (bedrooms). ■ Barrel Sauna Equipped with a barrel sauna luxuriously made of red cedar! Self-pouring (löyly) is also possible. ■ Fully Artificial Turf Garden The entire property is covered with artificial turf, making it safe and enjoyable for children and pets. ■ Three Private Rooms (Bedrooms) The bedrooms include two Western-style Rooms and one Japanese-style Room, ensuring privacy for families or individuals during rest. ■ Spacious LDK The 24-tatami mat LDK features a high ceiling with an open atrium, allowing you to relax in a spacious environment. ■ American BBQ Grill The covered wooden deck is equipped with a gas-connected BBQ grill, enabling you to enjoy authentic American BBQ comfortably even in rainy weather. ■ Large Heated Jacuzzi A large jacuzzi with a capacity of six people is available. It can be used with hot water, making it enjoyable all year round. ■ Dog Run The entire property is covered with artificial turf and surrounded by a wooden fence, allowing your pets to enjoy freely without a leash. ■ A Treasure Trove of Ingredients, Tateyama Located at the southernmost tip of the Boso Peninsula, Tateyama boasts a warm climate and is blessed with the bounty of the sea and mountains, offering fresh seasonal ingredients throughout the year. ■ Location Tateyama Bay is recognized as one of Japan's "100 Best Sunset Spots" and is also called "Kagami-ga-Ura" (Mirror Bay) due to its calm, mirror-like waters. From the Facility's wooden deck, you can also enjoy the view of Tateyama Bay dyed in the colors of the sunset.

Bathed in moonlight and embraced by the sea, "&SUN Laie back" in Minamiboso offers a retreat surrounded by the rich natural beauty of ocean and mountains. The endlessly bright sea, filled with light and breeze, flows with a uniquely beautiful rhythm. Relax in an extraordinary way as you take in the breathtaking views of the ever-changing ocean scenery.

The View Minamiboso | Entire Villa Rental · Waterfront Scenic Retreat Take in the Pacific Ocean from the rooftop terrace—an ultimate nature escape. Enjoy panoramic views of the Minamiboso coastline from the roof. With a sauna, open-air bath, and shower Facilities, we offer a perfectly relaxing space to unwind. In the ocean-facing dining area, you can enjoy BBQ in any weather. Pets are welcome too—spend a luxurious, unhurried time with family, friends, and your dog. Come experience “the View” found only here.[Sauna Experience on the Scenic Rooftop Terrace] - Enjoy outdoor relaxation with the rooftop sauna and jacuzzi (hot and cold water) - Take in breathtaking views of Mt. Fuji beyond Sagami Bay[All-Weather BBQ: Indoors & Outdoors] - Equipped with a Weber gas BBQ grill - Dedicated sink in the BBQ area for easy cleanup - Enjoy in any weather in the glass-enclosed indoor BBQ space - Equipment can be moved to the terrace for outdoor use as well[Spacious Accommodation] - Over 120 m² | 2-story home + BBQ earthen-floor area + rooftop terrace; 3LDK layout (3 bedrooms + living/dining/kitchen) - Sleeps up to 10 guests; ideal for families, friends, and groups - All rooms include closets and air conditioning - Free on-site parking (2 cars)[Stay with Your Dog] - Pet amenities provided: crate, water bowl, cleaning supplies, and more