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Las Margaritas

"Hecho En Mexico"

About Us

Las Margaritas – Authentic Mexican Restaurant in O’Fallon, MO

Since 2015, Las Margaritas has proudly served O’Fallon, MO with authentic Mexican cuisine made from fresh ingredients and bold flavors. As a locally loved Mexican restaurant in O’Fallon, we specialize in generous portions of fan favorites like sizzling fajitas, flavorful burritos, and our signature margaritas. Whether you're joining us for a casual lunch or a festive dinner, our welcoming atmosphere and delicious dishes make every visit memorable. We’re proud to serve guests from Wentzville, Lake St. Louis, St. Peters, Moscow Mills, and surrounding areas. Don’t miss our freshly made guacamole—it’s a must-try! Come experience the best in Mexican food near O’Fallon, MO, and discover why Las Margaritas is a local favorite for flavor, fun, and family.

Areas Served

Languages Spoken

English
Spanish

What We Offer

Our Services include:

Events & Celebrations: Celebrate life’s special moments with us! From birthday bashes and retirement send-offs to holiday parties and wedding rehearsal dinners, we offer the perfect setting for any occasion. Our team is here to help make your private event unforgettable, whether it's a casual get-together or a formal gathering.
Dining Options: Enjoy your meal your way! Whether you're dining on our cozy patio, picking up curbside, or grabbing a quick to-go order, we’ve got you covered. Our full-service bar, kid-friendly menu, and daily lunch and margarita specials make every visit a treat for the whole family.
Catering Services: Let us bring the flavor to you! Our catering services are ideal for office lunches, family gatherings, and special events. With a variety of menu options and flexible service, we make it easy to impress your guests with delicious food and stress-free planning.

Our Products include:

Appetizers
Salads
Specials
Vegetarian Options
Combination Platters
Mexican Rice
Mexican Street Corn
Trash Can Nachos
Fresh-Made Guacamole
Cheese Steak Tacos
Mushroom Steak Fajitas
Franzia Fries
Franzia Special
High-End Tequila
Tacos
Especialidades
Carnitas
Quesadillas
Chimichangas
Fajitas
Molcajete Ranchero
Burrito Chile Colorado
Burrito Gonzales
Fajitas Bravas
Tacos Carne Asada Especiales
Arroz Mayas
Tampiquena
Pollo Margaritas

Testimonials

On 11/30/2025 Alexa Deluca had this to say:
First timer. I originally originally ordered the arroz con pollo not realizing all the vegetables were already mixed into the rice. I was just gonna eat the chips and queso since we ordered a large but my brother let me try one of his cheesesteak tacos and it was really good so I replaced it with that instead. Will definitely come back with my friend.

On 11/24/2025 Miranda G. had this to say:
Food is delicious! The trash can nachos are quite the feast. The cheese dip with ground beef is always a go to for me here. They have a huge variety. Service is good and the restaurant is huge. I've coming here and if I'm out in ofallon area I like to come here!

On 11/17/2025 Melissa Murphy had this to say:
Salsa was a little spicy. Food was great. Nice atmosphere and we didn't have a long wait for our food.

On 11/16/2025 selene leal had this to say:
I love this restaurant every meal was Fantastic and Delicious Service was 10/10

On 11/16/2025 Mike DeVries had this to say:
I am staying in a hotel next door so I thought I’d pop on over to have some Mexican food for dinner. The Burrito Gonzales was delicious. Glad I went. You should give it a try.

Contact Us

Las Margaritas
1165 Technology Dr O Fallon, MO 63368
Phone: (636) 362-2004
Mobile: (636) 362-2004
Email: lasmargaritasofallon1@gmail.com

Off Technology Drive between Holiday Inn and Staybridge Suites

Where To Find Us

Payment Types Accepted

American Express, Debit Cards, Discover, MasterCard, Visa

Our Hours

Holiday Hours May Vary. Please Call For Details.

Monday: 11:00 AM - 9:00 PM
Tuesday: 11:00 AM - 9:00 PM
Wednesday: 11:00 AM - 9:00 PM
Thursday: 11:00 AM - 9:00 PM
Friday: 11:00 AM - 10:00 PM
Saturday: 11:00 AM - 10:00 PM
Sunday: 11:00 AM - 9:00 PM

Info

FAQ

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DoorDash: https://www.doordash.com/store/las-margaritas-o'fallon-170726/13297364/
GrubHub: https://www.grubhub.com/restaurant/las-margaritas-mexican-restaurant-1165-technology-dr-ofallon/2520234

What type of cuisine does Las Margaritas serve?

We specialize in authentic Mexican cuisine made from fresh ingredients and bold flavors. Our menu includes fan favorites like sizzling fajitas, flavorful burritos, tacos, chimichangas, and our signature margaritas.

Do you offer catering or event services?

Yes! We provide catering for office lunches, family gatherings, and special events, as well as hosting celebrations at our restaurant. From birthdays and holiday parties to rehearsal dinners, our team will help make your event unforgettable.

What dining options are available?

You can enjoy your meal in several ways:

• Dine-in (including a cozy patio)
• Curbside pickup
• To-go orders
• We also offer a full-service bar, kid-friendly menu, and daily lunch and margarita specials.

Do you have vegetarian options?

Absolutely! Our menu includes vegetarian dishes such as Mexican street corn, fresh-made guacamole, salads, and more.

Where are you located and what areas do you serve?

Las Margaritas is located in O’Fallon, MO, and we proudly serve guests from Wentzville, Lake St. Louis, St. Peters, Moscow Mills, and surrounding communities.