If you get a chance, take a drive north for about an hour to a little village called Sayulita. I've been to PV twice, and always had the best time when I got out of town... I stayed in Sayulita for 4 days once and had a blast.
If you go, make you sure walk to the old Presidents mansion.
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You know something bad is going to happen when you hear..."Hey, hold my beer and watch this"