
Sunday Brunch on the River Walk: Where Flavor Meets Scenic Views
If you’re in San Antonio and looking for the best way to start your Sunday, there’s no better choice than Sunday Brunch on the River
Iron Cactus Mexican Grill and Margarita Bar is a premier local hot spot for Mexican food and tequila cocktails for visitors and locals in Austin and San Antonio, TX. Our Mexican restaurants serve some of the best contemporary Mexican cuisine menus you’ll ever savor crafted from quality ingredients and seed-oil-free alternatives.
Both Iron Cactus locations feature topflight bars. We’ve been rated as a Top 10 Tequila Bar in the country by USA Today. Enjoy captivating views and our extensive tequila cocktail menu on one of our famously popular patios in downtown Austin or San Antonio’s River Walk.
We’re proud to announce that both our Austin and San Antonio kitchens now cook exclusively with premium oils like avocado and extra virgin olive oil — no canola, soybean, corn, or other industrial seed oils. From our sizzling fajitas and handmade tortillas to our fresh dressings, every bite is crafted with cleaner, more natural ingredients that prove that you never have to sacrifice flavor for cleaner cooking.
Our flagship downtown seed-oil-free Austin Mexican Restaurant is located at the corner of 6th Street and Trinity. Iron Cactus’s turn of the century building was remodeled to include our famous Rooftop Patio, offering a fantastic view of the Austin skyline. This 3-level restaurant and bar has become a beloved destination for locals, tourists, university students and business people alike. It’s the number one choice for incredible food, fresh-squeezed lime margaritas and an authentically local vibe on 6th Street.
Our seed-oil-free San Antonio Mexican restaurant is located in the middle of the San Antonio River Walk area, across from the rustic La Mansion Hotel and right next to the historic Aztec Theater. Watch the boats float by as you enjoy a Mexican dining experience you’ll never forget. We’ve been voted “Best of the River Walk” for 6 straight years, so if you’re looking for an authentic local restaurant to put on your list of San Antonio destinations, a visit to Iron Cactus is a must! And don’t forget the fresh-squeezed lime margaritas.
From a small gathering to an event for 500, we have the private party rooms for you at both of our restaurants.
Throwing a party at your house or a corporate event at the office? Our fajita buffet or a specialty menu will make it easy and memorable.

If you’re in San Antonio and looking for the best way to start your Sunday, there’s no better choice than Sunday Brunch on the River

If you’re craving Mexican food, but also want to eat healthier, Iron Cactus is the place to go. Known for its vibrant atmosphere in Austin

Looking for the ideal spot for your next event in Austin? At Iron Cactus, you’ll find excellent private dining in Austin that combines contemporary Mexican
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Iron Cactus has been a Texas favorite for over two decades, serving quality Mexican cuisine in the heart of Austin and San Antonio. Known for our fresh ingredients, seed oil free menu, and selection of premium tequila, we combine authentic Mexican flavors with warm Texas hospitality. From rooftop dining in downtown Austin to River Walk views in San Antonio, we offer a dining experience that captures the best of Texas.
Yes, Iron Cactus offers off-site catering for office luncheons, corporate events, training sessions, weddings, birthday parties, graduations, anniversary celebrations, and more. From our fresh and flavorful Mexican cuisine to convenient delivery and professional setup, our catering team is committed to making your event a success.
Some of our most popular dishes include our sizzling fajitas, tableside guacamole, and enchiladas. You can’t go wrong with our seed oil free menu, offering bold flavors made with fresh ingredients and thoughtful preparation. Our menu features a variety of authentic Mexican dishes that have made Iron Cactus a Texas favorite for more than two decades.
Yes! Iron Cactus offers Happy Hour Specials Monday through Friday from 3pm – 6pm, including $7 House Margaritas and $7 Chile Con Queso.
Iron Cactus is the perfect choice for private events and group dining. Our flexible event spaces are designed to accommodate everything from corporate events and business meetings to wedding rehearsal dinners, birthday parties, and holiday celebrations. Whether you need a fully private room or a semi-private dining area for a large group, our team will work with you to make a memorable event.
Yes! Iron Cactus proud to be a completely seed oil free restaurant.
Iron Cactus offers a full brunch menu at our San Antonio location only. Enjoy our Sunday Brunch Menu from 11am – 2pm, featuring our signature Iron Omelet, Huevos Rancheros and Belgian Waffle.
At our Austin location, we serve breakfast tacos Saturday & Sunday from 11am – 3pm.
Iron Cactus offers a wide selection of margaritas, including classic, frozen, on-the-rocks, and signature craft options. Guests can also choose from an extensive tequila list featuring over 100 varieties, including blanco, reposado, añejo, cristalino, and mezcal.
Iron Cactus has been a Texas favorite for over 20 years, built on a mission of creating a warm, friendly, and unique environment. Today, we’re proud to serve some of the best Mexican food and fresh lime margaritas in Austin and San Antonio, with a menu shaped by years of dedication from our culinary team.
Iron Cactus has locations in Downtown Austin on 6th Street and in San Antonio on the River Walk.