Author: Tim S (---.cqi.psu.edu)
Date: 07-08-13 13:39
I agree with JeffandMary. Given your short stay in PR, it's best to get yourself there fast using a reliable mode of transport. Definitely fly.
Sounds like you should stay in town. The Palmetto Guest House is a good choice. You could also check availability of the Mariber House.
Both have more info at these links.
Renting a golf cart is also an option. Try contacting Carlos Jeep Rental.
Here's a good site for stuff to do on the main island when you have little time.