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Diamond Setouchi Marine Hotel

3.5 star property
Oceanfront hotel with full-service spa, near Omocha Okoku

Choose dates to view prices

Photo gallery for Diamond Setouchi Marine Hotel

Desk, laptop workspace, blackout drapes, iron/ironing board
Karaoke room
Indoor pool
Desk, laptop workspace, blackout drapes, iron/ironing board
Exterior

Reviews

7.6 out of 10
Good

Popular amenities

  • Spa
  • Bar
  • Pool
  • 24/7 front desk
  • Breakfast available
  • Laundry
The current price is ￥14,381
￥17,852 total
Jul 15 - Jul 16

Room options

Available filters for rooms
Showing 3 of 3 rooms

View all photos for Standard Twin Room, Non Smoking

Standard Twin Room, Non Smoking | Desk, laptop workspace, blackout drapes, iron/ironing board

Standard Twin Room, Non Smoking

Highlights

Air conditioning
Refrigerator
LCD TV
Blackout drapes/curtains
Toilet with electronic bidet
Shower/tub combination
Hair dryer
Electric kettle
  • Sea view
  • Sleeps 2
  • 2 Twin Beds

Superior Twin Room, Non Smoking

Highlights

Air conditioning
Refrigerator
LCD TV
Blackout drapes/curtains
Toilet with electronic bidet
Shower/tub combination
Hair dryer
Electric kettle
  • Sea view
  • Sleeps 3
  • 1 Double Bed, 1 Twin Bed and 1 Double Sofa Bed

View all photos for Standard Triple Room, Non Smoking

Standard Triple Room, Non Smoking | Desk, laptop workspace, blackout drapes, iron/ironing board

Standard Triple Room, Non Smoking

Highlights

Air conditioning
Refrigerator
LCD TV
Blackout drapes/curtains
Toilet with electronic bidet
Shower/tub combination
Hair dryer
Electric kettle
  • Sleeps 3
  • 3 Twin Beds
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About the neighborhood

Map
706-0028, Okayama-ken, Tamano, Shibukawa 2-12-1

What's nearby

  • Shibukawa Beach - 4 min walk - 0.4 km
  • Omocha Okoku - 6 min drive - 2.6 km
  • Uno Port - 13 min drive - 8.1 km
  • Great Seto Bridge - 21 min drive - 14.4 km
  • Washuzan Highland - 21 min drive - 14.3 km

Getting around

  • Kojima Station - 24 min drive
  • Okayama Airport (OKJ) - 70 min drive

Restaurants

  • ‪belk - ‬5 min drive
  • ‪the corner - ‬5 min drive
  • ‪いしはるうどん - ‬4 min drive
  • ‪美津屋寿司 - ‬5 min drive
  • ‪窯じい - ‬8 min drive

About this property

Diamond Setouchi Marine Hotel

Hotel near Setonaikai National Park
Located close to Omocha Okoku, Diamond Setouchi Marine Hotel provides free breakfast, a terrace, and a coffee shop/cafe. Treat yourself to a massage at the onsite spa. The on-site restaurant, SUNSET, offers breakfast, lunch, and dinner. In addition to an arcade/game room and dry cleaning/laundry services, guests can connect to free in-room WiFi.
You'll also enjoy the following perks during your stay:
  • An indoor pool
  • Free self parking
  • Buffet breakfast (surcharge), an elevator, and luggage storage
  • Karaoke, meeting rooms, and a banquet hall
Room features
All 190 rooms boast comforts such as laptop-friendly workspaces and air conditioning, in addition to thoughtful touches like free WiFi.
Other amenities include:
  • Shared bathrooms with toilets with electronic bidets and shower/tub combinations
  • 26-inch LCD TVs with digital channels
  • Refrigerators, electric kettles, and desks

Languages

Japanese

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The price is ￥14,909
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Property amenities

Internet

  • Available in all rooms: Free WiFi
  • Available in some public areas: Free WiFi

Parking and transportation

  • Free uncovered self parking on site

Food and drink

  • Daily buffet breakfast available 7:00 AM to 9:00 AM for a fee: JPY 1,815 per person
  • A bar/lounge
  • A coffee shop/cafe
  • A restaurant

Restaurants on site

  • SAIOU
  • SETONOISO
  • SUNSET

Things to do

  • Arcade/game room
  • Full-service spa
  • Indoor pool
  • Karaoke
  • Sauna

Conveniences

  • 24-hour front desk
  • Luggage storage
  • Vending machine

Guest services

  • Dry cleaning/laundry service
  • Wedding services

Business services

  • Conference space
  • Meeting rooms

Outdoors

  • On the beach
  • On the waterfront
  • Terrace

Full-service spa

  • Massage
  • Spa open daily

Accessibility

  • If you have requests for specific accessibility needs, please contact the property using the information on the reservation confirmation received after booking.
  • Elevator
  • Well-lit path to entrance
  • Wheelchair accessible (may have limitations)
  • Wheelchair-accessible lounge
  • Wheelchair-accessible path of travel
  • Wheelchair-accessible path to elevator
  • Wheelchair-accessible registration desk
  • Wheelchair-accessible restaurant

More

  • 1 building
  • 6 floors
  • Banquet hall
  • Designated smoking areas

Room amenities

Bedroom

  • Bedsheets provided
  • Blackout drapes

Bathroom

  • Bidet
  • Hair dryer
  • Shared bathroom
  • Shower/bathtub combination
  • Slippers
  • Toothbrush and toothpaste
  • Towels provided

Entertainment

  • 26-inch LCD TV with digital channels
  • Pay movies

Food and drink

  • Electric kettle
  • Refrigerator

More

  • Air conditioning
  • Desk
  • Iron/ironing board on request
  • Laptop workspace
  • Phone

Policies

Check-in

Check-in start time: 3:00 AM; Check-in end time: midnight
Minimum check-in age: 20

Check-out

Check-out before 10 AM

Special check-in instructions

Front desk staff will greet guests on arrival at the property
This property doesn't offer after-hours check-in

Access methods

Staffed front desk

Pets

Pets not allowed

Children and extra beds

Children are not allowed at this property from April to March; The rest of the year they are welcome
Rollaway/extra beds are not available
Cribs (infant beds) are not available

Property payment types

Important information

Optional extras

  • Fee for buffet breakfast: approximately JPY 1815 per person

The above list may not be comprehensive. Fees and deposits may not include tax and are subject to change.

You need to know

Extra-person charges may apply and vary depending on property policy
Government-issued photo identification and a credit card, debit card, or cash deposit may be required at check-in for incidental charges
Special requests are subject to availability upon check-in and may incur additional charges; special requests cannot be guaranteed
Minimum Spring Break check-in age is 20 years old
This property accepts credit cards and cash

We should mention

The Japanese Ministry of Health, Labour, and Welfare requires all international visitors to submit their passport number and nationality when registering at any lodging facility (inns, hotels, motels, etc. ); additionally, lodging proprietors are required to photocopy passports for all registering guests and keep the photocopy on file
Please note that some properties do not permit guests with tattoos to use the onsite public bathing facilities

Property is also known as

Diamond Setouchi Marine
Diamond Setouchi Marine Hotel
Diamond Setouchi Marine Hotel Tamano
Diamond Setouchi Marine Tamano
Setouchi Marine Hotel
Diamond Setouchi Marine Hotel Japan/Tamano
Diamond Setouchi Marine
Diamond Setouchi Marine Hotel Hotel
Diamond Setouchi Marine Hotel Tamano
Diamond Setouchi Marine Hotel Hotel Tamano

Frequently asked questions

Does Diamond Setouchi Marine Hotel have a pool?

Yes, this property has an indoor pool.

How much does it cost to stay at Diamond Setouchi Marine Hotel?

As of Jul 4, 2025, prices found for a 1-night stay for 2 adults at Diamond Setouchi Marine Hotel on Jul 15, 2025 start from ￥14,381, excluding taxes and fees. This price is based on the lowest nightly price found in the last 24 hours for stays in the next 30 days. Prices are subject to change. Choose your dates for more accurate prices.

Is Diamond Setouchi Marine Hotel pet-friendly?

No, pets are not allowed at this property.

How much is parking at Diamond Setouchi Marine Hotel?

Self parking is free at this property.

What time is check-in at Diamond Setouchi Marine Hotel?

Check-in start time: 3:00 AM; Check-in end time: midnight. After-hours check-in is not available.

What time is check-out at Diamond Setouchi Marine Hotel?

Check-out is at 10 AM.

Where is Diamond Setouchi Marine Hotel located?

Nestled on the beach, this Tamano hotel is within 2 mi (3 km) of Setonaikai National Park and Omocha Okoku. Uno Port and Kojima Jeans Street are also within 9 mi (15 km).

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Diamond Setouchi Marine Hotel Reviews

Reviews

7.6

Good

Rating 10 - Excellent. 13 out of 45 reviews
Rating 8 - Good. 15 out of 45 reviews
Rating 6 - Okay. 11 out of 45 reviews
Rating 4 - Poor. 5 out of 45 reviews
Rating 2 - Terrible. 1 out of 45 reviews

7.6/10

Cleanliness

8.4/10

Staff & service

8.0/10

Amenities

7.4/10

Property conditions & facilities

8.0/10

Eco-friendliness

Reviews

10/10

The staff were pleasant and helpful. The hotel was very clean and comfortable.
Stayed 3 nights in Apr 2025

10/10

last minute booking… what a surprise! Beautiful hotel and location, excellent service. Some of the hotel is a bit dated but was nostalgic for me. Kinda like Hawaii 5-0 old series feel. The view was incredible!!!! Will be back when the wisteria is in bloom across the street as well as to enjoy the beach!
Stayed 1 night in Nov 2024

6/10

fabulous location, helpful staff but hotel itself needs a good refurbishment, carpets dirty and smelly, paintwork worn. Other floors of the hotel might be better but the foor I was on was way overdue for a spring clean.
Stayed 2 nights in Oct 2024

4/10

They advertised having several restaurants one of which was the buffet which they charge over ¥5,000 for and they weren't even serving anything other than dessert and one type of meat even though they advertised it as having many different types of food. Only one of the other restaurants was open and there is only one other restaurant in town that serves dinner. The rugs and sheets and everything were stained and the hallway rugs looked like they hadn't been cleaned since installation 30 years ago. The onsen and service was good but did not make up for the false advertising of everything else.

8/10

設備が古く、室内や床にも汚れが多く見られた。リフォームするともっとお客様が増えると思う。
Stayed 1 night in Jun 2025

8/10

Stayed 1 night in May 2025

4/10

Stayed 1 night in Mar 2025

10/10

ホテル内に子供用の迷路やミニ四駆のコース、ゲームコーナーがあり、楽しませていただきました。スタッフの方の対応も非常に丁寧で気持ちが良かったです。良いホテルだと思います。
Stayed 1 night in Mar 2025

6/10

スタッフの対応は、すごく丁寧で良かったです。
Stayed 1 night in Jan 2025

6/10

Stayed 1 night in Nov 2024

8/10

Stayed 1 night in Nov 2024

4/10

Le staff a été très gentil mais certains manquaient de formation. Le bâtiment est mal entretenu exception faite de l'étage de la réception. Les tapis et les murs étaient souillés et tachés . La chambre avait une odeur désagréable. Le site du côté de la baie était plutôt jolie mais l'environnement du côté urbain n'était pas très convivial. Malgré la publicité de l'hôtel le bar était fermée, la piscine sans eau, la terrasse fermée, le balcon de la chambre inaccessible, aucune facilité pour la plage. Nous étions dans un environnement captif qui n'offrait pas d'activité et de service à proximité. Très déçu de notre séjour je ne recommanderais pas cette hôtel.
Stayed 3 nights in Sep 2024

6/10

Stayed 1 night in Aug 2024

6/10

Stayed 2 nights in Aug 2024

10/10

Stayed 1 night in Jun 2024

10/10

Stayed 1 night in May 2024

2/10

Stayed 1 night in May 2024

6/10

Stayed 1 night in May 2024

6/10

Stayed 3 nights in Mar 2024

8/10

海が綺麗でした
Stayed 1 night in Oct 2023

4/10

今回晩御飯にバイキングは選択せずホテル内のレストランで食事しましたが、選べるレストランがほとんど無く残念。せっかく瀬戸内海沿いのホテルなのに、海鮮レストランが無い。 また他の部屋はわかりませんが、私が泊まった部屋の布団がシミで汚れた。不衛生に感じた。 残念です。
Stayed 1 night in Sep 2023

8/10

Stayed 1 night in Jul 2023

10/10

10/10

Stayed 1 night in Jul 2022

6/10

Stayed 1 night in Jun 2022