Las Islas Marias Mariscos

Fontana, United States

2.3

Closed now

10 reviews

Accepts Credit Cards

Contacts

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Telephone:
+1 909-823-2140
Address:
16393 E Foothill Blvd, Fontana, CA, 92335
Nearby public transportation stops & stations:
0.9 miFontana
1.5 miOmni
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Bussiness info

Takes Reservations
No
Delivery
No
Take-out
Yes
Accepts Credit Cards
Yes
Bike Parking
No
Good for Kids
Yes
Good for Groups
Yes
Attire
Casual
Noise Level
Average
Alcohol
Beer & Wine Only
Outdoor Seating
No
Has TV
Yes
Waiter Service
Yes

Today

Today 9:00 am – 10:00 pm
Closed now
Local time (Fontana) 03:23 Saturday, 21 June 2025

Business hours

Monday 10:00 am – 10:00 pm
Tuesday 10:00 am – 10:00 pm
Wednesday 10:00 am – 10:00 pm
Thursday 10:00 am – 10:00 pm
Friday 9:00 am – 10:00 pm
Saturday 9:00 am – 10:00 pm
Sunday 9:00 am – 9:00 pm

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10 reviews of Las Islas Marias Mariscos

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Place rating: 4
Fontana, CA
The best thing here is the little lobsters (langostinos) I guarantee you will not be disappointed, they are sensational (Futures words of wisdom). Also the fish ceviche is very good and their lemons are so juicy you can probably make a gallon of lemonade with one lemon. I would also recommend their hand squeezed lemonade with mineral water. The waiter Odalis is the nicest and clutchest waitress. Overall it was very good service. I can’t say anything bad about this place except the door I don’t like their door. But I will be back.
Place rating: 5
Rancho Cucamonga, CA
My second time coming here. Absolutely love this place. Came here on a Sunday. Mildly packed. Service was great! The food here is amazing. The mussels have to be my favorite here. The taste is beyond good. Took my tastebuds into another dimension. The shrimp was ok, the sauce was amazing but the shrimp itself was fried, wasn’t a big fan. The raw shrimp plate was too good. The onion, lime, and verde sauce is such a simplistic yet amazing combo.
Place rating: 1
Fontana, CA
When we got there they were closed even though it says they close at 10 and it had recently turned 9… So now we have to go somewhere else and eat and I’m really hungry
Place rating: 1
Riverside, CA
This review is for the customer service. I’ve been a regular here but today I experienced horrible customer service. If your waitress is the young lady with the glasses, good luck getting your order, drinks and regular check ins for refills and needs. I waited on my drink for 20 minutes and when food came out it was cold. Nobody came to check in is and by the time I called somebody over it had been about fifteen-​20 minutes. I asked someone if they can take the food back and heat it up and the food never made it back out. I asked for my check and an additional 15 minute wait. Service was ridiculously horrible today.
Place rating: 1
Hacienda Heights, CA
It was my first time coming here with my boyfriend. The food was average. However, customer service wasn’t great at all. The waitresses were rude and only came to check on us once. This made us feel uncomfortable and will never go back again!
Place rating: 4
Rancho Cucamonga, Estados Unidos
Es un restaurante de pescados y mariscos tiene variedad en platillos las cantidades q sirven son generosas en una ocasion pedi caldo d pescado estaba rico solo q un poco frio no pedi q lo calentaran pues ya habia tardado mi platillo y no quise esperar mas .los cantantes q llegan al restaurante le dan un toque aun mas mexicano .las meseras son muy amables las instalaciones son limpias. Es uno d mis lugares favoritos.
Place rating: 1
Ontario, CA
I was a loyal customer to this location for years, It has apparently changed owners, im am assuming, due to the huge change in customer service. We recently placed an order to go, When we opened our soup not only was it cold but it had pieces of plastic in it. We took it back and not only did they just place the plastic filled soup in a new container! they were very rude and when we said we would let people know what we found in our food the MANAGER said do what ever the heck you want and walked off. We asked for the owners # and they would not give it to us and the informed us that the Manager Has been going through a lot at the moment Mmmm okay that doesnt give her the right to treat people the way she did. I will never return to the fontana location however I will go to the Mira Loma one.
Place rating: 1
Rialto, CA
Been here before but wow this last time was awful! The service sucked only 2 waitress, the food was gross no flavor was so ever and to make everything worst there was hair in our food!!! Disgusting never coming back!!! Save your money and go elsewhere!
Place rating: 1
Fontana, CA
Been coming to this place for years. I introduced it to many of my family and friends. Since this place has been under new ownership it went downhill. Took my family last night and was extremely disappointed on the service and food! We had to ask for several things and we were lucky if we would get it. My order took forever! I kept asking how much longer they would say it’s almost out. Everyone finished their food and my food was still not ready I waited an hour!!! So I told them I would take it to go! That took even longer. I complained to the owner about the situation she didn’t apologizes or even try to make things better. She was too busy eating and entertaining a friend. So unprofessional on her behalf This place has the worst customer service!!! It doesn’t even deserve one star! But it won’t let me post without giving it one! Fuck this place! Don’t bother coming here!
Place rating: 4
Fontana, CA
My husband and I have officially become regulars of this place! I can only vouch for ONE (yes one) food item on the menu since we go there for this item specifically. We order the Tostada de Ceviche de Pescado and it is absolutely delicious! It’s always a plentiful serving topped with two slices of avocado. We both usually order two each, and are completely satisfied at the end of our meal. At $ 3 bucks each, this deal is a serious no-​brainer!
My husband swears by the michelada and I love their strawberry margaritas. And let’s not forget the complimentary chips & salsa … always delicious!
Prior to discovering this place, my husband liked to frequent their location on Sierra Ave (which has received a seriously unfavorable review by yours truly). Needless to say, the service at this location is 1 039 589 830 098 347 times BETTER!
Finally … great mariscos without having to sacrifice service. Highly recommend if you’re in the mood for some good ol’ hole-​in-​the-​wall mariscos!