Las Islas Marias Mariscos

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16393 Foothill Blvd
Fontana, CA 92335

Las Islas Marias Mariscos is a seafood restaurant located in Fontana, CA, known for its diverse menu featuring a variety of traditional Mexican seafood dishes. Guests can enjoy specialties such as shrimp soups, ceviches, and a selection of tostadas, all prepared with fresh ingredients and authentic flavors.

The establishment offers a casual dining experience suitable for families and groups, with options for takeout and a full bar. Customers have praised the restaurant for its excellent service and the quality of its dishes, making it a popular choice in the Inland Empire for seafood lovers.

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Reviews

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3.096 reviews
Photo of Jorge M.
Jorge M.
11/13/2025

Got the Langostinos and loved them. Super good food, great service, clean restaurant, and a great experience overall.

Photo of Justine M.
Justine M.
8/2/2025

Me and my Boyfriend love this place! They make the best Aguachiles and Longostinos ! They give you green salsa with the tostadas that is sooooo good and spicy! This is our guilty pleasure meal and...

Celene G.
8/3/2025

Unfortunately, my experience at this restaurant was disappointing due to the staff's attitude. When we arrived, a waiter tried to seat us at a table right next to the restrooms. I politely said...

Dayse Z.
9/1/2025

Came in for brunch Labor Day weekend Liz was the only server & handled the entire restaurant!!! She had over 10 tables BY HERSELF & the wait was nothing to complain about!! Her aura, her fast...

Photo of Frank V.
Frank V.
8/9/2024

Que comida tan mediocre... burrito de camarón(según venía con frijoles) pero nomas arroz con mantequilla y una ensalada, uno que otro camarón venía con cáscara pero lo que si no entiendo es por...

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