WikiProject Puerto Rico is a project to support mappers and mapping in Puerto Rico. Get involved with us and help contribute to the map! If you're just getting started with OSM, check out the Beginner's Guide and join the Puerto Rico mailing list.
The following page details how to install JOSM and the imagery from ArcGIS for the background map in Puerto Rico.
Puerto Rico Getting Started Guide
The following page details a specific list of features that the local community is mapping or importing.
Puerto Rico Projects