Orange County's Most Famous Shrimp Ceviche in More Than 30 Years!

Fine Mexican Food and Seafood Restaurant in Orange, CA

Open since 1984, Ostioneria Siete Mares serves both seafood and Mexican dishes for breakfast, lunch, and dinner. Come in to enjoy tacos on the patio, happy hour, or even karaoke. We're sure to have something that the whole family will love!

Weekly Specials


Taco Tuesdays

Stop by Ostioneria Siete Mares on taco Tuesdays and get tacos for only $1! 12 oz margaritas and all imported and domestic beers for just $2.50 for all students. Download your coupon now!

Thirsty Thursdays

All drinks for $2.95 on
Thirsty Thursdays!

Tacos on the Patio

Just like in Mexico, enjoy some delicious tacos on a lovely patio! Join us every Friday, Saturday, and Sunday after 5pm.

Live Entertainment

Ostioneria Siete Mares hosts live entertainment and karaoke
every Friday, Saturday, and Sunday.

Become a VIP Member

Join our VIP mailing list to receive special promotions and notifications. Sign up through email or by text message. Simply enter your email below or text "ostioneria" to 85100.

Special EventS

Canelo vs Chavez Jr.
Come watch the big fight with us! Saturday May 6th