COVID Testing is now available at the SJU Airport at Terminal A, B & C.
As an alternative to a negative test, travelers arriving to Puerto Rico can also self-quarantine at their expense for either 14 days or for as long as it takes to obtain a negative test, or the duration of their trip whichever is shorter.
To facilitate access to test with rapid turnaround of results, CMT Group Corp has partnered with Aerostar Airports LLC, the management of San Juan Luis Muñoz Marin (SJU) International Airport to provide molecular testing for all travelers that are coming in or going out of the island who desire to have the test performed with guaranteed result within 24-48 hours.
More information can be found here: https://www.covidtestingpr.com/Airport
Of course, testing remains not required if you are in transit to another destination out of Puerto Rico.