The best piece of advice I could ever give another guy, applies anywhere, Cancun included (it was passed on to me as well) Act like you don't need the shit, and you will get the shit for free.
Good advice, and don't get so wasted you haven't got a clue what's going on and end up throwing up on yourself - girls don't like that, not sure why though!
BC even the 300 pound girls last year were getting hit on total famine it wasnt even about game or anything it was a pure numbers game. At the clubs the girls hid on stage in fear of rape