Afraid you won't be able to navigate the local maps in San Juan? Book a rental car, specifying the availability of a navigator. Thanks to the well-developed infrastructure, it will be possible to pick up the car at one of the rental car pick-up points: Airport, Saturce, Sears and others, etc. While driving around the city for several days, you can understand the geography of San Juan and in the future you can easily navigate the roads.