Guac Mexi Grill

300 Fourth Ave Building C, Unit 6, St. Catharines
(905) 641-9677

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Customers' Favorites

Beans and Veggies Quesadilla
Churro with Chocolate Sauce
Beans and Veggies Taco Bowl
Make Any Burrito in To
Chocolate Chip Cookie
Vegetarian Quesadilla
Ground Beef Taco Bowl
Carnitas Burrito Bowl
Chips and Guacamole
Ground Beef Burrito

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Recent Reviews

A great little spot for a quick Mexican bite.
The establishment was clean and the staff was friendly and quick.

I had a burrito and it was excellent.
The portion was large and made to how I requested it.
Price was fair.

Next time I will try the enchiladas.
Thanks for a very pleasant lunch experience.
October 2025
Went for lunch today and the food and service was amazing! The young girl who served me was super friendly, the best service I’ve had at a fast food place. Food was super fresh and tasted amazing. Had the beef tacos and a good deal at $3 each on Tuesday, I had 3 and was full enough. Will be back for sure
October 2025
Today the service was BAD. I have now changed by 5 star review to 3 star.
The food is normally excellent and reasonably priced... I came to buy the Taco TUES specials minimum 3 ground beef tacos... I have changed my review due to service today and concerning slices of limes. Big fuss about getting 2 limes?? The lime I got were OLD AND BROWN. I am travelling all the way from Geneva and Linwell and you are going to make a big fuss about limes??? Your limes are OLD...
August 2025

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Guac Mexi Grill

300 Fourth Ave Building C, Unit 6, St. Catharines, ON L2S 0E6
(905) 641-9677