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Izu Atagawa Onsen Hotel Cetus Royal
Shizuoka Prefecture/Atagawa OnsenBuffet with fresh ingredients, blue dome pool, all rooms with ocean view, and open-air hot spring bath with natural hot spring water for a luxurious time.
All Rooms in the Property offer ocean views, and the grand bath with a stunning view of Izu Oshima uses natural Onsen water from a private source. The Izu Peninsula's largest "Ohnotenburo" features 100% natural flowing spring water, allowing guests to enjoy bathing in nature while basking in the morning sunlight or gazing at the star-filled night sky. Dinner is served as a buffet featuring seasonal ingredients, and breakfast offers a Japanese-Western buffet. Additionally, the dome pool "Blue Whale" provides a unique "blue time" experience that cannot be found in everyday life. From every Room, guests can enjoy views of Izu Oshima and the other islands of the Izu Archipelago.
Dinner was delicious. The staff spoke Japanese well, so there were no inconveniences. At night, we could hear the sound of the waves, which was very nice.The large public bath and sauna at night were not crowded, so we could relax. I would like to stay again. Thank you very much.The woman at the front desk was from Nepal. My condolences regarding the disaster—please stay strong.
Yahoo!トラベルユー... 9/26/2026We were able to stay at a great price with a last-minute deal during heavy rain.The Room was disappointing in that there was no valuables box, and the toilet exhaust fan didn’t work. For valuables, we had to go all the way to the bath area on the 5th floor to use the valuables box there, then head to the far open-air bath on the 6th floor. The open-air bath was amazing. We went in during heavy rain wearing a woven hat, but there were only two, so other guests seemed inconvenienced.We enjoyed it enough and handed our umbrella over before leaving. It would be better if a few more were provided.Amenities in the Room were minimal, and anything else you need is placed on the 1st floor, so you go pick it up yourself.The pillow was very thin, so we borrowed one from three types of pillows available on the 1st floor.When I visited it was pouring rain and there weren’t many other guests, so pillows were still available—but I wonder if they restock them when it’s busy?As for meals, for this price they were acceptable. The steak was processed meat. It’s all-you-can-eat crab, but it’s better not to expect too much. There was also eel; warming it up on the hot plate after cooking steak made it tasty. For breakfast, the DIY rice bowl (toppings over rice) was delicious.Above all, drinks were all-you-can-drink from check-in until 11:00 p.m.—dinner started just 30 minutes after welcome drinks ended—and after that we went to the bar. Since you can take drinks back to your Room as well, we relaxed and drank plenty. The welcome oden and steamed meat buns were also delicious. We also enjoyed midnight udon as a late-night snack—overall we fully made use of everything.The staff members were foreigners as well, but everyone worked very hard and they were wonderful.We would definitely like to return again.Thank you very much.
Yahoo!トラベルユー... 9/7/2026
Facilities and Services
See All- Hot spring
| IN | 15:00~22:00 |
|---|---|
| OUT | 10:00 |
| Number of rooms | 48 rooms |
| Pet | Not allowed |
| Your child | Permitted |
Photo
See AllBest-Selling Stays
Stays Popular For Ocean View
Rooms With Open-Air Baths Popular At Stays
Gourmet Stays
Onsen Accommodation With Delicious Buffet
Family-Friendly Accommodation For Families With Boys
Accommodation For Marine Sports
Accommodation With Free Parking
Affordable Accommodation With Open-Air Bath Guest Room And Two Meals
Stays With High Ratings
Introduction of the Accommodation
"Large open-air bath overlooking Sagami Bay"
The largest "Oono Tenburo" in the Izu Peninsula offers 100% natural Onsen water directly from the source. Enjoy the atmosphere of bathing in the midst of untamed nature, basking in the morning sunlight or gazing at the star-filled night sky. ● Oono Tenburo The large public bath, utilizing the Shimami spring with weak sulfate Onsen water, has benefits for disinfecting and beautifying the skin. Both the men's and women's baths are equipped with saunas. ● Private Open-Air Bath Experience a different ambiance with the "Night Private Bath." Enjoy the largest "Oono Tenburo" in the Izu Peninsula as your own private space. On clear nights, you can also admire the starry sky. ● Onsen Large Public Bath The scenic large public bath uses natural Onsen water from our private spring. It offers a panoramic view of Sagami Bay and the Izu Seven Islands. <Operating Hours> Moonlit Bath: Women / 16:00–22:00, Men / 6:00–9:00 Starlit Bath: Men / 16:00–22:00, Women / 6:00–9:00 Private Open-Air Bath: 22:00–25:00, 30 minutes per group/session (Reservation required)
Facilities and Equipment of Accommodation
- The room
- Restaurant
- Facilities & Services
Basic Information
| Taxes | From March 1, 2025, it will be 300 yen per person per day (per night). |
|---|---|
| Card information | VISA / MASTER / JCB |
| Pets | Not allowed |
| Breakfast | [Breakfast] Restaurant (Buffet) |
| Your child | You can stay. |
| Room service | Not available |
| Common amenities |
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| Facilities and Features |
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| Indoor pool |
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| Esthetic Massage | None |
| Fitness gym | None |
| Public Bath |
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| Open-air bath |
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| Private bath |
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| Spring quality and benefits | Simple Onsen / Na Chloride Spring Neuralgia Rheumatism / Women's Diseases / Post-illness Recovery Stress Relief / Joint Pain / Muscle Pain / Frozen Shoulder / Digestive System / Arteriosclerosis / Sensitivity to Cold ※Regarding the notation of "Gensen Kakenagashi" |
| Sauna | Available |
| Hot stone spa | None |
| Others | [Other Available Cards] Rakuten Card |
Reviews
- Rooms & Amenities3.74
- Facility3.88
- Hospitality & Service4.29
- Meals3.74
- Onsen & Bath4.12
- Satisfaction4.12
*Reviews that have been translated from Japanese.*
*Showing only reviews from 一休.com (Japanese) and Yahoo!トラベル.*
Access Information
Shizuoka Prefecture980 Naramoto, Higashiizu-cho, Kamo-gun
TEL:+81-557-23-1123
[Izukyu Line] Get off at Izu-Atagawa Station, approximately 5 minutes on foot
[By Car] Use Route 135 from Odawara-Atsugi Road, Ishibashi IC
- Parking Information
- Fee
- Free for guests
- Parking time
- ---
- Parking space
- No restrictions
- Number of parking spaces
- 40 cars available outdoor
- Valet service
- Unavailable
- Pickup and drop-off information
- Available (Free)Check-in: 15:00 - 18:00. Please call us upon your arrival at the station.
Check-out: 9:00 - 10:00.
Frequently Asked Questions
What are the check-in and check-out times?
Check-in 15:00~22:00 Check-out 10:00
What kind of facilities and features are available?
There are the following facilities and features. Hot spring・Open-air bath・Free-flowing hot spring・Large public bath・Private bath・Sauna・Within a 5-minute walk from the station・Indoor pool・Free shuttle service
I would like to know the access information.
[Izukyu Line] Get off at Izu-Atagawa Station, approximately 5 minutes on foot [By Car] Use Route 135 from Odawara-Atsugi Road, Ishibashi IC
Is parking available?
・Fee: Free for guests ・Parking space: Length --- Vehicle width --- Vehicle height --- ・Number of parking spaces: 40 cars ・Valet Service: Unavailable First-come, first-served basis. Reservation not available.
Please provide information about Private bath.
・Hot spring: Available ・Free-flowing: Available ・Cloudy hot spring water: None ・Supplementary information: 100% natural hot spring One session per group: 45 minutes Reservation required Please make your Reservation at the front desk during check-in.
Is an internet connection available?
Connection is possible. ・Wi-Fi is available. For more details, please refer to the room and plan information.
Is there a sauna?
Yes, there is.










