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海の庭 Umi no Niwa

casual Ryokan/Inn Go To トラベル対象
Umi no Niwa / chiba Katsuura・Kamogawa 65


Umi no Niwa is located right by Minami Boso, nature's treasure chest. 
The convenient location that gives you the best view as well as nearby sightseeing is a huge appeal. 

For rooms, we have Japanese style rooms that are unique to ryokan. 
You can select a room type that best fits your travel itinerary. 

We have 3 hot spring spas, each with its own vibe. 
The private outdoor spa "Umi no Toki" is available to reserve for free. 
The evening view you will see from this private atmosphere is sure to be memorable. 
You can fully enjoy yourself without a care in the world. 

Various dishes that use Kominato's fresh shellfish, and a sushi boat filled to 
the brim with the ocean's gifts are only some of the items you will enjoy in our seasonally changing dinners. 

Each traveler has their own style. 
We hope to answer to all.       
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  • Rooms (-)
  • Plan (-)


Relux grade


Accommodations that have achieved high customer satisfaction and that can be enjoyed casually.

Overall Rating(22 reviews)


















Other Facilities4.3/5

Mr./Ms. N.K(Private)

Total points

Stayed in

Room type


8 tatami Japanese Room(Ocean Side)

本日はお世話になりました。 最初のフロントの対応から、最後帰る時まで気持ちの良い対応をして頂きありがとうございました。 食事も美味しいうえに、量もたくさんあり成人男性でもとても満足できました。 また、貸切風呂も日が沈んでからの入浴でし... Read more 本日はお世話になりました。 最初のフロントの対応から、最後帰る時まで気持ちの良い対応をして頂きありがとうございました。 食事も美味しいうえに、量もたくさんあり成人男性でもとても満足できました。 また、貸切風呂も日が沈んでからの入浴でしたが夕方に入浴したらとても綺麗な景色が見れたのではと思い少し悔しさが残ります。 アメニティも充実しており大変助かりました。 今後も千葉方面に旅行の際はまた宿泊させて頂きたいです。

Thank you for your support today. Thank you for your pleasant response from the first reception to the last time you return. The food was delicious and the amount was large, so even an adult man was very satisfied. Also, the private bath was taken after the sun went down, but I feel a little regretful that I could see a very beautiful view when I took a bath in the evening. Amenity was substantial and was very helpful. I would like to stay again when traveling to Chiba.

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Mr./Ms. K.M(27)

Total points

Stayed in

Room type


Hotel's Choice

●部屋 山側の「海蛍」に宿泊しました。海側の部屋と比べると広さもあるようで快適でした。貸し切り露天風呂を借りるようであればそちらで海は見えますので、部屋はこちらのほうがお勧めでます。ユニットバスであったことがやや残念でした。 ●食事... Read more ●部屋 山側の「海蛍」に宿泊しました。海側の部屋と比べると広さもあるようで快適でした。貸し切り露天風呂を借りるようであればそちらで海は見えますので、部屋はこちらのほうがお勧めでます。ユニットバスであったことがやや残念でした。 ●食事 想像を超える量でした。お刺身、鮑や伊勢海老、全てが美味しかったです。コンセプトが「漁師料理・美味しい魚を食する宿」と書いてあるので豪快な料理が自慢だと思いますが、お刺身やかま焼、煮付けすべての料理がボリューミーなので、人によってはやや飽きるかもしれません。特に「なめろう」は味が濃い目でしたので、連れはやや飽きておりました。 ●お風呂 広さはありませんでしたが清潔で温度も良く、非常に快適でした。水槽の中が気持ち程度の魚しか入っていなかったので、HPとの乖離をやや感じました。 ●その他 1Fロビーのドリンクバーがありがたかったです。 駅まで送迎に来ていただきましたが、車の清潔感がややなかったことが残念でした。

● Room We stayed at "Umihotaru" on the mountain side. Compared to the room on the sea side, it was spacious and comfortable. If you would like to rent a private open-air bath, you can see the sea there, so we recommend this room. It was a bit disappointing that it was a unit bath. ● Meals It was an unexpected amount. The sashimi, abalone and lobster were all delicious. The concept says "fisherman's cuisine, delicious fish-eating inn", so I think I am proud of the exciting food, but since sashimi, sashimi, and simmering are all volumey, it may be a little boring for some people. not. In particular, "Namero" had a strong taste, so I was a little tired of traveling with them. ● bath It wasn't large, but it was clean, warm and very comfortable. There were only a few fish in the aquarium, so I felt a slight difference from the HP. ● Other We appreciate the drink bar on the 1st floor lobby. I came to pick up and drop off at the station, but I was disappointed that the car was not clean.

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Mr./Ms. I.K(39)

Total points

Stayed in

Room type


8 tatami Japanese Room(Ocean Side)

次男の1歳記念で利用しました。 部屋は8畳だったので、そんなに広くはありませんが、まだ、つたい歩きしかできない息子にとっては、ちょうどいい広さでした。 おもちゃや絵本が置いてある所に泊まるのは初めてで、感動しました。 貸し切り風呂に行... Read more 次男の1歳記念で利用しました。 部屋は8畳だったので、そんなに広くはありませんが、まだ、つたい歩きしかできない息子にとっては、ちょうどいい広さでした。 おもちゃや絵本が置いてある所に泊まるのは初めてで、感動しました。 貸し切り風呂に行くのに、靴下を脱いで部屋を歩いていると、加湿器のせいなのか、窓際のせいなのか、畳がやや湿っている気がして、それだけが少し気になりました。 貸し切り風呂には、赤ちゃん用のボディソープや、バスチェア、おもちゃなども用意してあり、ここでも子連れへの優しさを感じました。 部屋のDVDプレイヤーの不具合を伝えると、すぐに確認に来てくれて、新しいものと交換してくれました。 0歳児の次男は、食事も布団もなしなので、人数にいれずに予約しましたが、部屋には昼寝ができそうな布団もありました。今回は布団持参で行ったので使いませんでしたが…。あとは、夕食時はおにぎり、朝食時はお味噌汁のサービスがあり、赤ちゃん連れにとっては、本当にお心遣いが嬉しかったです。 食事は、特になめろうと茶碗蒸しがおいしかったです。 大浴場には、水槽があり、片方は本物の蟹が入っていて驚きました。長男はじっくり蟹を観察できて楽しかったようです。 普段、朝7時には朝食を終える生活をしているので、次男にとって8時まで朝食を待たせるのがなかなか大変でした。フロントの方に相談すると、でき次第呼んでくださることになり、少し早めに朝食をいただくことができました。ありがたかったです。 食事の部屋は個室ではなく、他のお客様もいましたが、同じような赤ちゃん連れだったので、だいぶ気が楽でした。ご配慮いただきありがとうございました。 次男の誕生日へのお心遣いも嬉しかったです。 お世話になりました。

I used it to commemorate the second year of my second son. The room was 8 tatami, so it wasn't that big, but it was just right for my son who could only walk hard. It was my first time staying at a place where toys and picture books were placed. When I went to a private bath, taking off my socks and walking in the room, I felt that the tatami was a little damp, whether it was because of the humidifier, because of the window, I was only worried about it . In the private baths, baby body soap, bath chairs, toys, etc. are also prepared, so I felt kindness for children here as well. When I told her about the malfunction of the DVD player in the room, she came to check it immediately and replaced it with a new one. My second son, a 0-year-old, had no meals and no futons, so I booked it without taking into account the number of people. I did not use it this time because I went with a futon. After that, there was a rice ball for dinner and a miso soup for breakfast, so I was really happy to take care of my baby. The food was delicious, especially when trying to lick it. There was an aquarium in the large communal bath, and one of them was a real crab and I was surprised. The eldest son was able to observe the crab carefully and seemed to have enjoyed it. I usually have breakfast at 7 am, so it was very difficult for my second son to wait for breakfast until 8 am. When we talked to the front desk, we would call him as soon as we could, and we could have breakfast a little earlier. I was grateful. The dining room was not a private room, and there were other guests, but it was a lot easier because I had a similar baby. Thank you for your consideration. I was happy to take care of my second son's birthday. thank you for helping me.

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Umi no Niwa


169 Kominato, Kamogawa-shi, Chiba-ken  [View map]

check-in / check-out time

15:00 / 10:00

CI/CO time may be different depending on plan.

Credit card


Number of guest rooms

8 room(s)


Dining Area【Kura】

Enjoy dinner watching ships dock and leave the harbor. This spacious restaurant can seat up to 40 guests. 
Dinner and breakfast will be served at this 2F location. 
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【Umi no Tsuki】
There is a fish tank next to the bath.
Watch fish and crabs slowly swim about as you relax.
This bath is like an aquarium. The types of fish and crab in the fish tank depends on the season. 

【Umi no Hana】
The washing area is lined with tatami for minimal slipping. This is very safe for children. 


【Umi no Toki】
Look out to the sunset from the top most floor. Experience the ultimate relaxation. You can book a free 50 minute session. 

We take reservations starting from 8am the day of your stay
over the phone.
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Other facility information

Please contact the hotels/ryokans directly for more details.
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Kominato machi
 ・Kominata Tanjo-ji・Tai no Ura … 2min walk
 ・Moriya Beach(one of the clearest waters in Kanto Region)… 10 min by car
 ・Katsura Kaichu Park /Umi no Museum … 15 min by car
 ・Katsura Morning Market … 20 min by car
 ・Seicho-ji・Yomogi Fudono Falls … 15min by car
 ・Kamogawa Seaworld … 15min by car
 ・Uomizuka Observatory … 25 min by car
 ・Futomi Flower Center … 30 min by car
 ・Nomizo Waterfall … 30 min by car
 ・Mother Farm … 45 min by car
 ・Yoro Keikoku … 30 min by car
 ・Nojimazaki Lighthouse … 30 min by car
 ・Mount Nokogiri … 60 min by car
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・Please let us know your mode of arrival
・Please inform us if you plan to arrive past 5pm
・Please inform us of the age and gender of children if applicable(Only in rooms available for children)
・Please give us contact information we can reach you at the day of your arrival
・Please inform us of specific food preferences
*For children under 1yo there will be no fee, but please inform us of number and gender

・Bathing fee (150 yen) is not included
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  • Bath tax
  • Children allowed
  • Room service
  • Transportation service
  • Parking area
  • Hot spring
  • Fresh hot spring
  • Room with outdoor spa
  • Public spa
  • Private spa
  • Indoor pool
  • Outdoor pool
  • Esthe/Spa facility
  • Fitness facility
  • Barrier free
  • 5 min walk from station
  • Pets allowed
  • Breakfast in room
  • Dinner in room
  • Open air bath
  • Night view
  • Ocean view
  • Cottage
  • Coupon

The accommodation features are general descriptions of the facility. The amenities and breadth of service will differ between each accommodation. For details, please confirm directly with the accommodation.


Access by public transportation.

【From Tokyら】
Tokyo Station (Keiyo Underground Platform) → JR Sotobo line(Boso Express Train Wakashio → Awa-Kominato Statio 1.5h 

After 2:30pm, we will send pick up to Awa-Kominato station if you call us upon your arrival. 

169 Kominato, Kamogawa-shi, Chiba-ken

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