in the event you need to take a look at surrounding parts like Jobos, Isabela, or Rincón, then I like to recommend renting an auto mainly because they can be a 20-minute ride away or for a longer period.
All rooms https://medium.com/@villaazurepr/top-vacation-rentals-in-puerto-rico-your-guide-to-island-living-3dae5ce01f30