O Sea

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(699)

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109 S Glassell St
Orange, CA 92866
+1 (714) 363-3309
https://eatosea.com
"O SEA, located in Orange County, CA — a seafood restaurant of time and place in the historic Plaza district in the heart of Old Towne Orange. Something fun, something fresh — think salmon ceviche in coconut leche de tigre, tuna poke in blood orange ponzu with shaved fennel & cucumber, crispy oaxacan hot shrimp, west coast oysters on the half with thai red curry and yuzu mignonette. Oysters? √ Poke? √ Wine? √ Beer? √ Responsibly-procured, best-in-class products, served consistently, with deeply craveable and seasonal flavors - Welcome to O SEA - Best seafood restaurant in Orange County! Visit us for brunch, lunch, dinner or happy hour. You can also order delivery or takeout. We're located at the Orange Circle! Eat more fish!"

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4.5

(699)

Photo of Justin N.
Justin N.
12/21/2025

When youre in the mood for some great and plump oysters alongside some fun orange wine and other fun food - O Sea is definitely the place you want to indulge in. My gf and her friends wanted fresh...

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Madison V.
1/7/2026

Very good and tasty, definitely want to come back again. The server was very sweet and laughed at my dad's 'dad' jokes, I appreciate that, it made his night. Cokes: come in cute glass bottles,...

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Photo of Hahnmade H.
Hahnmade H.
12/12/2025

hh mon-fri 2-5pm, 50% off all bottles, 3-4 hh plates to choose from. mellow vibe and not crowded during hh, but the place got busy after 7pm. yes, we stayed through dinner -- after 2 bottles,...

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Travis P.
11/2/2025

What a nice spot for dinner in Orange! I came to celebrate a wedding anniversary, and they went above and beyond--even giving us a free dessert. Personally, I'd rate the food 4/5, but the service...

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Photo of Grace C.
Grace C.
1/16/2026

Happy hour here is such a great deal! The oysters are very affordable and fresh, and the wine prices during happy hour are also excellent. It's a perfect spot to enjoy good food and drinks without...

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