Originally Posted by
Dan Druff
Last time I was there, casinos were clueless about card counting. This was like 5 years ago but something to keep in mind if you know how to do it.
Lots of scam restaurants aimed at tourists there, so watch out. Make sure you're charged the right prices on the bill, and don't let them bullshit you.
Definitely see the fort downtown San Juan, it's interesting. You can probably walk there.
El Yunque rainforest is decent to do if you have a car and can drive around without a lot of trouble, but if not don't bother.