# Mexican food in Westside Costa Mesa > Made for those who have a singular focus on finding the most authentic Mexican cuisine available. Source: https://www.atly.com/united-states/california/costa-mesa/westside-costa-mesa/best-mexican-food ## Places (8) ### 1. Birrieria Guadalajara Mexican restaurant offers authentic birria tacos with handmade tortillas in a clean, comfortable interior. Plenty of indoor seating and parking make it easy to enjoy a calm, fresh atmosphere. Focused dining spot with smoking good flavor. - Address: 1875 Placentia Ave, Costa Mesa, CA 92627, USA - Atly: https://www.atly.com/location/BirrieriaGuadalajara5 ### 2. NUDAE Coffee Small coffee shop offers bright, airy vibes with indoor and outdoor seating. Breakfast burritos are crispy and cheesy, especially the sunrise burrito with cilantro sauce. Dog-friendly space hosts monthly pack walks, creating a strong community feel. - Address: 1125 Victoria St # U, Costa Mesa, CA 92627, USA - Atly: https://www.atly.com/location/NUDAECoffee ### 3. El Campeon Carniceria #2 Hole-in-the-wall carniceria offers authentic Mexican street tacos with homemade tortillas and fresh meats. Narrow aisles and a few tables create a lively local vibe. Prices stay very reasonable, and bilingual staff help with ordering. - Address: 517 W Wilson St, Costa Mesa, CA 92627, USA - Atly: https://www.atly.com/location/El-Campeon-Carniceria-2 ### 4. Captain Mike's Fish Fry Retro style creates a casual vibe with a clean space. Fish and chips shine with perfect frying and fresh fish. Mexican dishes feature spicy salsa tacos with beans and tortillas. Quick service and standout chicken round out classic sides. - Address: 815 W 19th St, Costa Mesa, CA 92627, USA - Atly: https://www.atly.com/location/Captain-Mike's-Fish-Fry ### 5. La Cañada Grill Bright space with classic Mexican vibes offers fresh tacos like carnitas and grilled shrimp. Cozy, lively atmosphere features an in-house mariachi band for spontaneous music. Generous portions and reasonable prices make casual dining memorable. - Address: 841 W 19th St, Costa Mesa, CA 92627, USA - Atly: https://www.atly.com/location/La-Cañada-Grill ### 6. Mariscos El Pulpo Sports Bar & Grill Lively Mexican spot shines with juicy carne asada tacos and fresh seafood. Loud conga music fuels an energetic vibe in a clean space. Not family-friendly but offers authentic Mexican flavors at great prices. - Address: 1880 Monrovia Ave unit c, Costa Mesa, CA 92627, USA - Atly: https://www.atly.com/location/Mariscos-El-Pulpo-Sports-Bar-Grill ### 7. Alejandro's Mexican Food Mexican fast food spot offers loaded burritos and flavorful tacos with generous meat portions. Drive-thru service and fair prices keep a steady crowd despite a run-down atmosphere. Breakfast burritos and carne asada fries add tasty variety. - Address: 801 W 19th St, Costa Mesa, CA 92627, USA - Atly: https://www.atly.com/location/Alejandro's-Mexican-Food1 ### 8. Tom's Place Diner-style spot offers a calm vibe with a well-manicured patio where smoking is allowed. Burritos are large and fresh, featuring homemade guacamole and diverse fillings like carne asada. Friendly staff serve generous portions quickly despite higher prices. - Address: 799 W 17th St, Costa Mesa, CA 92627, USA - Atly: https://www.atly.com/location/Tom's-Place1 ## Get this data directly This page comes from the Atly Places API, which scores close to 2 million places against more than 1,400 intents — "nice view", "work friendly", "gluten free", "dog friendly" — from what real reviewers say, with the statements behind every score. - **MCP server:** `https://agentic-api.atly.com/mcp` — connect it in ChatGPT or Claude. Nothing to install. - **Guide for agents:** - **OpenAPI contract:** - **No key needed to start.** `POST https://agentic-api.atly.com/v0/keys` with an email raises the quota. Coverage is densest in the United States, with pockets in Mexico, Israel and Thailand.