This article details a number of different places you can donate to relief efforts in Puerto Rico.
Remember to always check charity navigator before donating to an unfamiliar organization so that you know exactly what your money is being used for.
How to Help Victims of Hurricane Maria
Ground Guide: A Puerto Rico Army National Guardsman ground guides while directing a truck transporting water to be distributed to residents in the San Jose community in Toa Baja, Puerto Rico, Sept. 24th, 2017, continuing relief efforts after Hurricane Maria's aftermath. Puerto Rico Army National Guard Photo by Alex Velez - courtesy of the United States Department of Defense