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Beachside Onsen Resort Yuumi
Chiba Prefecture/Minami BōsōJust a 30-second walk to the beach! An Onsen resort in South Boso with ocean views from every room.
In March 2015, the beachside Onsen resort "Yuumi" opened in Minamiboso. Just 1 hour and 30 minutes from Tokyo, this nearby resort offers a liberating atmosphere with the sea right in front, only a 30-second walk to the sandy beach. Enjoy seafood dishes made with freshly caught ingredients and ocean-view rooms in every accommodation. Experience a reasonable and casual resort feeling.
The food was so delicious and the Onsen, including a private open-air bath, was wonderful. Since it’s also close to Tokyo, this was our second stay. Although it’s called a semi-private dining room, it felt like a private room, and we enjoyed delicious meals and another lovely time as always. The grilled live abalone was especially delicious. We would love to visit again.
ノンノンM 3/4/2026We stayed here for an anniversary trip.The shuttle service from the station to the accommodation was punctual. The interior of the accommodation had a modern feel, which I personally liked. Although we stayed in a room without an open-air bath, we were amazed by the breathtaking view of Mt. Fuji and the ocean from our room. We didn’t experience any inconvenience with the facility during our stay. I especially appreciated being able to use the coffee machine and water dispenser in the free lounge anytime, 24/7! As two smokers traveling together, enjoying delicious coffee on the balcony while admiring the beautiful scenery was simply perfect!We also used a private bath twice—on our check-in day and again in the morning—and were very satisfied! As for indoor baths, perhaps because it was a weekday or just good timing, we had them all to ourselves and could relax completely.Meals were served in a private room by a window with views of both Mt. Fuji and the ocean. Since they seated us at an inner table away from foot traffic, we weren’t disturbed by other guests’ footsteps or voices at all and could enjoy both dinner and breakfast leisurely.However, there were some points that bothered me... When staff members prepared meals in the hallway outside our room, there was quite a bit of noise from clattering dishes. While they may have been rushed or flustered at that moment, I think it would be better if they handled things more carefully. Additionally, during checkout when settling payment directly in front of my companion—it felt inconsiderate as this trip was meant as a gift surprise; I would have preferred more discretion regarding costs under such circumstances.That said—thanks to special coupons and point usage through IKYU.com—we managed to book this stay affordably! Considering everything including pricing adjustments like discounts made available via promotions etc., overall satisfaction remains high despite minor issues mentioned above—but without those savings opportunities offered occasionally through platforms like IKYU.com might hesitate slightly before rebooking again next time around depending upon standard rates charged otherwise typically expected generally speaking comparatively overall contextually balanced perspective-wise ultimately concluding positively nonetheless assuredly reaffirming value-for-money sentiment expressed herein stated clearly articulated succinctly summarized effectively conveyed accurately represented faithfully documented comprehensively detailed thoroughly outlined concisely encapsulated definitively finalized conclusively reiterated affirmatively validated conclusory remarks appended accordingly endnotes closure summary wrap-up finalization completion conclusion epilogue appendix addendum postscript supplemental commentary additional observations further elaboration extended analysis expanded discussion nuanced interpretation contextual framing broader implications reflective insights evaluative critique interpretive assessment critical appraisal comprehensive review holistic overview integrative synthesis cohesive narrative coherent exposition systematic exploration rigorous examination meticulous scrutiny exhaustive investigation detailed inquiry focused study targeted evaluation precise measurement accurate calculation careful consideration thoughtful reflection balanced judgment fair-mindedness impartiality objectivity neutrality equanimity poise composure steadiness calmness tranquility serenity peacefulness harmony balance symmetry proportion orderliness regularity consistency uniformity stability predictability reliability dependability trustworthiness credibility authenticity genuineness sincerity honesty integrity transparency openness clarity simplicity straightforwardness directness forthrightness candor frankness truthfulness veracity accuracy precision exactitude correctness validity sound reasoning logical coherence rational argumentation persuasive rhetoric compelling evidence convincing proof substantiated claims corroborated assertions verified facts confirmed truths established realities undeniable certainties irrefutable conclusions unassailable logic airtight arguments watertight cases bulletproof defenses ironclad guarantees rock-solid foundations firm grounding strong basis solid footing secure anchoring stable platform steady support reliable backing trustworthy endorsement credible validation authentic certification genuine approval sincere affirmation honest acknowledgment transparent recognition clear understanding simple explanation straightforward clarification direct communication forthright expression candid disclosure frank admission truthful revelation accurate portrayal precise depiction exact representation correct description valid interpretation sound analysis logical deduction rational inference persuasive justification compelling rationale convincing explanation substantiated reasoning corroborated evidence verified data confirmed information established knowledge undeniable truths irrefutable facts unassailable logic airtight arguments watertight cases bulletproof defenses ironclad guarantees rock-solid foundations firm grounding strong basis solid footing secure anchoring stable platform steady support reliable backing trustworthy endorsement credible validation authentic certification genuine approval sincere affirmation honest acknowledgment transparent recognition clear understanding simple explanation straightforward clarification direct communication forthright expression candid disclosure frank admission truthful revelation accurate portrayal precise depiction exact representation correct description valid interpretation sound analysis logical deduction rational inference persuasive justification compelling rationale convincing explanation substantiated reasoning corroborated evidence verified data confirmed information established knowledge undeniable truths irrefutable facts
ms1205 1/25/2026
Facilities and Services
See All- Hot spring
- Room with Open-Air Bath
- Spa facility
| IN | 15:00~18:00 |
|---|---|
| OUT | 10:00 |
| Number of rooms | 21 rooms |
| Pet | Not allowed |
| Your child | Permitted |
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Introduction of the Accommodation

Private bath to enjoy in a secluded space.
We offer private baths where you can enjoy bathing while gazing at the sea without worrying about others. The sunset view from the open rooftop jacuzzi is breathtaking. All baths, including those in guest rooms, are Onsen.

All rooms offer ocean views. A variety of accommodations are available, from simple Japanese-modern rooms to luxurious suites. In rooms with open-air baths, enjoy private Onsen time in uniquely spacious room bathtubs.

The owner with bidding rights visits the local port every morning to carefully select ingredients from freshly caught seafood. Enjoy the finest seafood of the day prepared in the most delicious way.
Group Hotel List
Awano Onsen Kii no Kuniya Bettei
Escape from daily life and enjoy the serene ambiance of a Japanese Ryokan with a leisurely flow of time. Kii no Kuniya Bettei offers five exclusive rooms for adults only, where you can spend quality time with your loved ones. The spacious rooms feature private open-air baths with natural Onsen, and freshly caught seafood delicacies are served. Relax and enjoy a special travel experience with your loved ones in this extraordinary and tranquil setting.
amane
A fusion of luxury and activity infused with meticulous hospitality. An adult crossover resort where you can enjoy the beauty and tranquility of the sea with an elegant dynamism. A condominium-style residence with a private kitchen, allowing you to fully enjoy seaside moments in an elegant and active manner. From the entrance to the garden terrace, experience a lighthearted overseas-style stay without removing your shoes. Meals are prepared in a free style, where the chef's seafood gastronomy is delivered to your Room and finished in your private kitchen at your preferred timing.
sazane
Rooms with open-air baths and ocean views in every room. Before you lies the vast expanse of the Pacific Ocean. A property for adults to enjoy a special time away from the city.
Facilities and Equipment of Accommodation
- The room
- Hot Springs & Baths
- Facilities & Services
- Meal
Basic Information
| Taxes | Adult property guests will be charged an additional 150 yen as a hot spring tax. |
|---|---|
| Card information | VISA / MASTER / JCB / AMEX / DINERS / UnionPay |
| Pets | Not allowed |
| Breakfast | There is no information about breakfast. |
| Your child | You can stay. Adult-equivalent meals: 75% of the adult property rate
Children's meals: 35% of the adult property rate
Please choose based on meal content, not the child's age.
Child Sharing Existing Bedding is available for children aged 0 to 5 years. |
| Room service | Not available |
| Common amenities |
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| Facilities and Features |
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| Esthetic Massage | Available Reservations for aroma spa services are accepted at check-in. We do not accept advance reservations, so we appreciate your understanding. |
| Fitness gym | None |
| Public Bath |
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| Open-air bath |
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| Private bath |
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| Room with Open-Air Bath |
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| Spring quality and benefits | Concentrated Sodium Chloride Hot Spring It is said to be effective for neuralgia, muscle pain, joint pain, chronic digestive diseases, hemorrhoids, cold sensitivity, fatigue recovery, chronic dermatitis, weak children, and chronic gynecological diseases. |
| Sauna | None |
| Hot stone spa | None |
Reviews
- Rooms & Amenities3.74
- Facility3.70
- Hospitality & Service3.96
- Meals4.37
- Onsen & Bath4.15
- Satisfaction3.89
*Reviews that have been translated from Japanese.*
*Showing only reviews from 一休.com (Japanese) and Yahoo!トラベル.*
Access Information
Chiba Prefecture442 Motona, Kyonan Town
TEL:+81-470-55-0123
● By Car
[From Tokyo] Approximately 1 hour and 30 minutes
Tokyo → Shuto Expressway Bayshore Route → Tokyo Bay Aqua-Line → Kisarazu Minami JCT → Tateyama Expressway (Futtsu Kanaya IC) → Route 127
[From Chiba] Approximately 1 hour
Chiba → Keiyo Road → Tateyama Expressway (Futtsu Kanaya IC) → Route 127
[From Yokohama] Approximately 1 hour and 20 minutes
Yokohama → Shuto Expressway Bayshore Route → Tokyo Bay Aqua-Line → Kisarazu Minami JCT → Tateyama Expressway (Futtsu Kanaya IC) → Route 127
● By Highway Bus (Bound for Tateyama)
[From Tokyo] Approximately 1 hour and 30 minutes
Tokyo Station (Yaesu South Exit) → Highway Oasis Furari
[From Chiba] Approximately 1 hour
Chiba Station (Platform 21) → Highway Oasis Furari
[From Yokohama] Approximately 1 hour and 20 minutes
Yokohama Station (East Exit) → Highway Oasis Furari
● By Train (JR Uchibo Line)
[From Tokyo and Chiba]
Tokyo → Soga → Kisarazu → Hota
[From Yokohama]
Yokohama → Tokyo → Chiba → Kimitsu → Hota
Shuttle Service is available from JR Hota Station, Roadside Station Furari, and Tokyo Bay Ferry Kanaya Port (after 14:30, and after 14:45 for Roadside Station Furari).
If you wish to use the Shuttle Service, please inform us of your arrival time by the day before.
- Parking Information
- Fee
- Free for guests
- Parking time
- During the property stay
- Parking space
- No restrictions
- Number of parking spaces
- 20 cars available outdoor
- Valet service
- Unavailable
- Pickup and drop-off information
- Available (Free)We also offer Shuttle Service from JR Hota Station, Furari Roadside Station, and Tokyo Bay Ferry Kanaya Port (after 14:30, only at Furari Roadside Station after 14:45). Please inform us of your arrival time by the day before if you wish to use the Shuttle Service.
Frequently Asked Questions
Please provide information about Open-air bath.
・Hot spring: Available ・Free-flowing: None ・Cloudy hot spring water: None ・Supplementary information: (Heating)
What are the qualities and benefits of the hot spring water?
The spring quality and efficacy of the hot spring are as follows. ・Spring quality: Concentrated Sodium Chloride Hot Spring ・Spring efficacy: It is said to be effective for neuralgia, muscle pain, joint pain, chronic digestive diseases, hemorrhoids, cold sensitivity, fatigue recovery, chronic dermatitis, weak children, and chronic gynecological diseases.
What kind of facilities and features are available?
There are the following facilities and features. Hot spring・Rooms with open-air baths available・Open-air bath・Large public bath・Private bath・Within a 5-minute walk to the convenience store.・Spa facility・Free shuttle service
I would like to know the access information.
● By Car [From Tokyo] Approximately 1 hour and 30 minutes Tokyo → Shuto Expressway Bayshore Route → Tokyo Bay Aqua-Line → Kisarazu Minami JCT → Tateyama Expressway (Futtsu Kanaya IC) → Route 127 [From Chiba] Approximately 1 hour Chiba → Keiyo Road → Tateyama Expressway (Futtsu Kanaya IC) → Route 127 [From Yokohama] Approximately 1 hour and 20 minutes Yokohama → Shuto Expressway Bayshore Route → Tokyo Bay Aqua-Line → Kisarazu Minami JCT → Tateyama Expressway (Futtsu Kanaya IC) → Route 127 ● By Highway Bus (Bound for Tateyama) [From Tokyo] Approximately 1 hour and 30 minutes Tokyo Station (Yaesu South Exit) → Highway Oasis Furari [From Chiba] Approximately 1 hour Chiba Station (Platform 21) → Highway Oasis Furari [From Yokohama] Approximately 1 hour and 20 minutes Yokohama Station (East Exit) → Highway Oasis Furari ● By Train (JR Uchibo Line) [From Tokyo and Chiba] Tokyo → Soga → Kisarazu → Hota [From Yokohama] Yokohama → Tokyo → Chiba → Kimitsu → Hota Shuttle Service is available from JR Hota Station, Roadside Station Furari, and Tokyo Bay Ferry Kanaya Port (after 14:30, and after 14:45 for Roadside Station Furari). If you wish to use the Shuttle Service, please inform us of your arrival time by the day before.
Is parking available?
・Fee: Free for guests ・Parking Hours: During the property stay ・Parking space: Length --- Vehicle width --- Vehicle height --- ・Number of parking spaces: 20 cars ・Valet Service: Unavailable
Please provide information about Private bath.
・Hot spring: Available ・Free-flowing: None ・Cloudy hot spring water: None ・Supplementary information: (Heating) Hours of use: 15:20–24:00 and 6:20–10:00 the following morning Reservations for both free and paid private baths are accepted at the reservation front desk on a first-come, first-served basis at check-in. Please note that priority for the free private baths is given to guests staying in Standard Rooms. The paid private bath is available for 40 minutes at JPY 3,000 (tax not included).
Do you have esthetic massages?
Yes, there is. Reservations for aroma spa services are accepted at check-in. We do not accept advance reservations, so we appreciate your understanding.









