O Sea

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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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4.5693 reviews
Photo of Sukhmani B.
Sukhmani B.
11/26/2025

Had dinner here last night and everything was great! Parking is super easy, there are a few parking lots and plenty of street parking. My friend and I were seated in a booth which felt private and...

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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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Photo of Sherry C.
Sherry C.
11/17/2025

Sunday was a great time to visit the Hilbert museum and then walk around old town Orange. We have been meaning to try O Sea and had a late lunch there. Everything was perfect. Our waiter was so...

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Photo of Travis P.
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 Yvonne C.
Yvonne C.
10/25/2025

I wish I could give this a higher rating, but unfortunately the negative was too important. I am constantly in search of a good Lobster Roll near me. I was excited when I read the reviews for the...

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