By email: Mexico has seen a boom in their casino industry over the last decade. There are now more than 300 casinos and others could be coming to resort areas like Puerto Vallarta and Cabo San Lucas. You'll find everything from slot parlors with sports books to full-scale casinos. Every Mexican state offers some form of gambling. Many of the regional casino operators also offer online gaming. Click to see a map of all the casinos in Mexico. We update our list with only top casino sites that meet