About Osakana Tengoku

Introducing Osakana Tengoku Restaurant feels like letting a local secret slip out, especially if you love seafood that tastes straight from the sea. Tucked away at 8253-18 Isohamacho, Oarai, Higashiibaraki District, Ibaraki 311-1301, Japan, this seafood restaurant has the relaxed confidence of a place that knows exactly what it’s doing. When you walk in, the atmosphere is casual and welcoming, the kind of spot where locals drop by without overthinking it, and visitors instantly feel like regulars. Osakana Tengoku focuses on fresh, honest seafood, served in a way that doesn’t try too hard to impress, yet somehow always does. The menu leans into variety, making it easy to order a quick bite or settle in with a spread of small plates, which is perfect if you like sampling a little bit of everything. There’s also alcohol and beer on offer, which pairs naturally with seafood and adds to the laid-back dining experience. Service options are flexible, too, so whether you want to dine-in, grab takeaway, or arrange delivery, Osakana Tengoku fits into your plans without fuss. What really stands out, though, is the balance between speed and quality; food comes out promptly, yet still feels carefully prepared. As someone introducing this place, I always describe it as reliable, unfussy, and quietly satisfying, a seafood restaurant that respects its ingredients and its customers, making every visit feel easy, enjoyable, and worth repeating, whether you’re stopping by for a casual meal or building an afternoon around good food and cold drinks near the coast. It also works well for groups, because the shared plates encourage conversation, and the unpretentious setting keeps things relaxed. The location in Oarai makes it an easy stop after exploring the area, especially if you want something satisfying without a long wait. From the flavors to the flow of service, everything feels intuitive, as if the restaurant understands exactly what seafood lovers are looking for in the moment, whether that’s a light snack, a casual drink, or a no-nonsense meal that simply hits the spot.

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Business Info

Service options

Service options

+ Delivery

+ Takeaway

+ Dine-in

Popular for

Popular for

+ Lunch

+ Dinner

Offerings

Offerings

+ Alcohol

+ Beer

+ Quick bite

+ Small plates

Dining options

Dining options

+ Brunch

+ Lunch

+ Dinner

+ Dessert

+ Table service

Amenities

Amenities

+ Toilet

Crowd

Crowd

+ Groups

+ Tourists

Payments

Payments

+ Credit cards

+ dBarai

+ PayPay

+ Rakuten Pay

+ Transit IC cards

+ Credit cards

Children

Children

+ Good for kids

Parking

Parking

+ Free parking lot

+ Parking

Pets

Pets

+ Dogs allowed outside

Hour time open

Right Now :

  • Monday: 11:00 AM - 07:00 PM
  • Tuesday: 11:00 AM - 07:00 PM
  • Wednesday: 11:00 AM - 07:00 PM
  • Thursday: 11:00 AM - 07:00 PM
  • Friday: 11:00 AM - 07:00 PM
  • Saturday: 10:30 AM - 08:00 PM
  • Sunday: 10:30 AM - 08:00 PM
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Order Now

+81 29-264-7676

8253-18 Isohamacho, Oarai, Higashiibaraki District, Ibaraki 311-1301, Japan

Reviews

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Very good seafood You need to reserve a seat either online or on the machine at the front. Choose your order and purchase at the machine inside the restaurant - card payment accepted. Although it was quite crowded when we visited, the service was quick. Dogs are allowed on the outdoor seating.

- - Ymg -

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Very interesting place for seafood. I had tempura tendon

- David Led -

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I was surprised to find something like this in Japan! As a seafood lover, I really enjoyed it. There was a wide variety to choose from (both fresh and frozen), and the prices were reasonable. I picked several items for the barbecue, plus one set that came with a uni rice bowl. The grilled items were delicious, but the uni rice bowl was just okay—not particularly impressive, but not bad either. The soup that came with the set was tasty. Since the place was quite busy, the service felt a bit average and not very attentive, but overall it was a good experience. Going with a group made it even more fun!

- CHNITA -

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Lovely seaside sushi restaurant! Delicious, fresh fish, great pricing and impeccable service. After our meal the staff even helped us call a taxi. Highly recommend if you're in the area.

- Carlos Calixto -

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Hi. It was very good food. But may i know if the restaurant uses any mirin in their food?

- Mukhlis Rahman -

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かねふくめんたいパークの近くにあります。 漁港の駐車場は広いのですが、休日はかなり混んでいます。 丼ものメニューが充実していて海鮮丼が一番人気だそうです。 刺身定食をたべました。まぐろ、サーモン、タコ、貝、海老、イクラ、シラス、カズノコ、白味魚など11種類のお刺身です。 お勧めですよ。

- tappi. 557 -

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