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Mansun Sushi

4.0 (637 reviews)
ModerateJapanese, Seafood
Closed • 11:30 am - 2:30 pm, 5:00 PM - 9:00 PM
Updated over 3 months ago

Order Mansun Sushi Takeout or Delivery

Mansun Sushi Photos

Business Info

MANSUN SUSHI ATMOSPHERE

What's the vibe?
Casual
Moderate noise
Good for kids
Good for groups

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Recommended Reviews - Mansun Sushi

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Chicken lunch box
Amy L.

Slow service but otherwise good. Parking is very small but doable. Went during lunch and got a lunch box special which includes ice cream. I got the chicken one and it was a bit dry. Side dishes, on the other hand, were absolutely amazing! I'd say this is a decent lunch spot.

Vivian C.

I've been coming to this gem for over 20 years! The lady owner is always incredibly welcoming and hospitable. Even with inflation hitting hard lately, you can still feel their sincerity in every dish. The portions are huge, and the sashimi is sliced generously thick! What touched us the most was when we mentioned how much we loved the tea, the owner immediately gave us a bunch of roasted rice (Genmai) so we could brew it ourselves! The interior is always cozy and spotless. It's rare to find a place that maintains this level of quality and warmth for decades. Highly recommended!

Vince H.

Great quality sushi in a friendly mom and pop restaurant! The restaurant itself is very cozy, limited seating but luckily on a Tuesday evening, there was no wait. Small private parking lot adjacent to the restaurant was convenient! The meal starts with complimentary salad, miso soup, and edamame. These were a nice surprise! We then went on to the fried calamari and baked mussels. Calarami was nice and perfectly crispy with a drizzle of a sweet sauce, it was perfect to share amongst three people. The baked mussels were amazing!! Topped with cheese, a sweet and savory sauce, the mussels were juicy boys and definitely got us excited for our main sushi entrees! We went with the albacore roll, spicy tuna roll, eel sashimi, salmon roe sashimi, dragon roll, and yellow tail sashimi. Initial impressions - great presentation, and came out relatively quick! The sashimi was FRESH, and the perfect amount of rice. I dislike when there's any more than a pinch of rice and Mansun did the portions just right! The salmon roe was a generous portion, and with each bite, they popped heavenly in my mouth. The rolls were meticulously made as well and tasted amazing! For the three of us, I think we did well with the portions and by the end, felt quite satisfied... This is when the waitress offered complimentary ice cream! How could we say no...so we all decided on the green tea ice cream. It wasn't too sweet, and was the story book ending to our meal. They do offer bento box style meals with tempura as lunch and dinner specials as well, so in the future I'd absolutely like to try these out! Overall, highly recommend and will definitely be back. Don't let the unassuming exterior appearance of the plaza dissuade you from giving Mansun a try!

Veggie Tempura
Barbara Carol M.

I can't believe I've been driving by this place for years without stopping in--what a hidden gem! The food here is absolutely amazing and unbelievably fresh. The fish quality blew me away--so high-grade, so clean-tasting, and not fishy at all. I was genuinely surprised at just how good everything was. I tried the sea urchin bowl, which was insanely fresh and flavorful, and the lunch special teriyaki chicken with tempura--the portions were very generous and satisfying. I also ordered the sushi lunch special, and honestly, the fish quality was mind-blowing. It felt like something you'd expect at a high-end sushi spot, not a casual place you just stumble into. On top of the food, the service was excellent. The owner is so kind and welcoming, and they even give out free ice cream at the end, which was such a nice touch. It really feels good supporting a local small business when the experience is this good. (5/5) -- Fresh, delicious, generous portions, and amazing service. I'll definitely be coming back again and again.

Lobster seafood hotpot
Jenny L.

I love this place, the woman who works here is so friendly and nice. Me and my family came here for a birthday and they made it really special. The sea urchin bowl is really good and unique. The sushi boat as well. And the lobster seafood hotpot. It is casual but I think because of the staff it is special. Would recommend!

Sea Urchin
M S.

Ordered to-go around 11:40 a.m. on Sunday. Food came out fast and was nicely packed. Few sea urchin spines were mixed into the rice, which was a little disappointing, but everything else was fine. Side dishes were light and tasty. Regular size was $33 (large $44 with tax). I'll probably go for the large next time--it was better on my last visit.

Austin L.

My go to spot for sushi in the Diamond Bar area! In my opinion they have the best combination of quality, price, and service. The owner/lady in charge is super nice and provides great recommendations, and the sides come quickly when you sit down. One of my favorite things about this place is the Banchan they provide since it's Korean owned. The place itself is small and cozy and really never too crowded so you can get seated quickly. Great place for casual dinners as well as celebrations (love their sushi boat, it's a great deal)

Man Sun Sushi Boat
Sophia A.

Esther was an amazing server for my friends bday dinner! The food was so good , she was so friendly and funny. Made us feel like family! We had a private room that was great for an intimate bday setting.

Sea urchin bowl
Phyllis L.

The food is always so good here! The sashimi is fresh and the uni bowl was soo flavorful and yummy. I came with my boyfriend and the sushi chef was sweet and made us the most adorable swan couple out of an apple. The owner is a nice Korean lady who has the nicest smile. Service is 10/10 and the food is also a 10/10! I highly recommend this place especially if you like uni!

Jessica W.

對生命而言,接受才是最善待自己的方式,無論是接受一個人的出現,還是接受一個人的再也不會出現~ 滿船, 一家也開好久老店了, 韓國人的日本料理, 就是會澎湃到讓你吃不下, 但品質跟日本師傅開的就是不一樣,他家最有名的應該是大家都熟知的海膽飯, 現在是29 元一份, 朋友點了他們的sashimi 全餐, XL 的,滿桌的東西, 讓我有點嚇到, 也太多太多了吧, 如果你是只喜歡吃正宗的日本師傅做的生魚片, 這家不用來了, 但如果不是嘴巴很挑的歪嘴雞,是喜歡俗又大碗, 划算的吃法,這家是選擇之一, 我記得他們以前生意超好的, 這次去還行, 不過沒有那麼熱鬧滾滾是真的了!

Michelle X.

Fresh seafood,delicious food. Recommend friends or family. Ice-cream colorful drinks.

Jade R.

This place was amazing. Our server was very quick and sweet. As teens we normally don't expect such great service but everyone in the restaurant had positive energy and was very efficient. Along with this the food was great.

Going going gone.
Sid L.

The food is fresh and large portion. The service staff is friendly and gave us great recommendation. There were five of us and we have our room.

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1 year ago

Delicious food, great service and super friendly! Lovely decor. Definitely coming back :)

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1 year ago

Amazing food, great portions, great services! everything exceeded my expectations. Highly recommended!

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1 year ago

Food was amazing, free ice cream, great service :) got the soba noodles with sushi. It was really big, yummy, and refreshing.

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Mansun Sushi Reviews in Other Languages

Ask the Community - Mansun Sushi

Can you get the sea urchin with rice on UberEats? Does it come with the spiky shell?

Do they have lobster sashimi?

i think yes. i saw people other people were eating that

Is this Korean or Japanese owned?

Korean

Does the special combo that is $45 per person gives you 1 or 2 uni bowls for a dinner for two?

2 Uni bowls

Don’t See Your Question? Ask Away!

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This was probably the best curry spot I've had in a long time after. It is comparable to Curry…read moreHouse. The curry is a very deep and rich flavor. If you can handle spice, I loved the regular spice level, otherwise mild is there next level down and was perfect for my friends. Out of the hamburger, chicken katsu and the pork tenderloin katsu, I would have to go with the chicken. It was juice, tender and so delicious. The pork was a little bit more on the tougher side when compared to the chicken. But no matter which protein you go with, they were all delicious. A curry plate also comes with soup and salad. Both were served right away and very delicious. Despite how small the salad bowl was, they really stuffed it with salad. The server is nice and parking can get pretty crazy if you come during a rush. This is a great spot for a curry fix and would highly recommend.

Food, 5 stars. Service, 2…read more When my party was first seated we were asked for our drink order. We told the server we needed a little time and they rolled their eyes and walked away. Oookay. When they came back we all asked for water and we were told I had to get rid of my energy drink I had with me. I understand their policy is no outside drinks but it's not like the entire table had teas from another shop, it was one person with a small energy drink can. Really nitpicky and stupid to enforce but whatever. We ordered our meals and everything came out great, the food was really tasty and fresh. Zero complaints about anything we ate at all! The katsu were all fried perfectly, very juice and quality meat. The curry was just a touch spicy and very flavorful. I especially loved the fried tofu, the dashi was some of the best I've had. At the end of the meal we said we had a cake and were told if we wanted to eat it there (with our own plates, napkins and utensils that we brought) it would be a $20 charge. I've never been to a place, especially an Asian restaurant, that has such a crappy policy. We reluctantly paid it but won't be coming back. We celebrate every birthday in the family at restaurants and this is the first time we've ever had pushback over cake.

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