It is not recommended, however, if you want to get to out of the way places, such as the Arecibo Observatory, the Camuy Caves, or the Tibes Indian Ceremonial Centre, when a hired car is essential. There is a despatch desk for p blicos at the airport. The p blico from San Juan takes 2 hrs. P blicos serve outlying districts if you have not got a car. P blicos leave from a modern terminal in Calle Peral.
Public transport is scarce at weekends.
City buses run to a 30 or 45 min schedule. Many don t operate after 2200. Bus stops are marked Parada, or Parada de guaguas. To get to the airport by bus from Old San Juan is complicated. Take A5 bus to Isla Verde terminal, then C45 or B40 to the airport.