Mansun Sushi

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21190 Golden Springs Dr
Walnut, CA 91789

ManSun Sushi, nestled in Walnut, CA, has been a beloved fixture in the Diamond Bar neighborhood for 18 years. Recognized for its fresh seafood and warm service, this Japanese restaurant offers an authentic dining experience reminiscent of a traditional village setting in Japan. The inviting ambiance, casual sushi bar, and attentive staff all contribute to creating a dining experience that transports patrons to the heart of Japan.

Specializing in ocean-to-table sushi and sashimi, ManSun Sushi prides itself on serving up a tantalizing array of fresh, flavorful dishes on a daily basis. Whether you're a sushi connoisseur or simply looking to indulge in some delectable seafood, this establishment promises to satisfy your cravings with its extensive menu of expertly crafted delicacies.

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Reviews

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4.0613 reviews
Jennifer A.
10/25/2025

Absolutely love it here! Amazing service. Basically a five course meal included for such a good price. One of my go to spots :)

Jacob De D.
10/25/2025

Best customer service ever! And the Sushi is amazing!!! Definitely the best sushi in town. Will be coming back again (:

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Austin L.
10/11/2025

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...

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Tiffany L.
11/17/2025

I thought I would update my review from before since it's been a few years and am sad to report that it has gone downhill. I know times may be tough, but yikes! BROILED SALMON & MIXED TEMPURA...

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M S.
10/5/2025

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...

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United StatesCaliforniaWalnutMansun Sushi