Venice/Marina Del Rey (if you want to get technical)
Even on a regular weekend, it's like, "yeah, the salsa is good, but maybe not." So yeah, definitely no. Ayayay.
The only thing these sort-of-Mexican-themed beach bars actually contribute to any sort of Cinco culture is: A) the word "Baja" in the name, and B) they occasionally play Pitbull, who occasionally raps in Spanish. And is not Mexican.