Margaritas Cocina Y Cantina is the newest fine-dining Mexican Restaurant in town. Located in Old Town Temecula and serving the Murrieta, Temecula, Lake Elsinore, Wildomar, Menifee, Fallbrook, Rainbow & French Valley Communities. Rainbow & French Valley Communities. We offer a wide variety of food to choose from; seafood, specialty tacos, tostadas, or any other authentic Mexican Food. You will always find an excellent atmosphere to relax with your whole family, for a business meeting, or a date with that special someone… The Best Mexican Food in Town!