Yes at all the stripclubs are working girls... Instead of dances you buy them $25 drinks and they sit with you and tease.  You can get FS at the clubs for $100-300 depending on your negotiating skills and spanish.  There is always a fee to take them out of the club.  Try not to get sucked into buying a lot of drinks because you can quickly find yourself spending a hundred when you can almost get FS for that.

Visit:
Las Antorches (cheap)
Las Alazanas (cheap) "La Zona"
Candy's (moderate)
Juniors (expensive)
I know some girls that do outcall just look on craigslist erotic services in PV.