San Juan has reliable public transportation in the form of buses, trolleys, and taxis. Uber and Lyft are available. Renting a car is a great option if you plan to explore outside of the city. Travel costs vary depending on your choice of transportation and destination.
If you have extra time, consider taking day trips to the nearby islands of Vieques and Culebra, known for their beaches and snorkeling. You can also check out Mosquito Bay, another bioluminescent bay located in Vieques. If you only have a short time, skip Day 7.
Luis Muñoz Marín International Airport (SJU) is the primary airport serving San Juan, located in Carolina, about 5 miles southeast of San Juan. It is the fourth largest airport in the Caribbean and offers direct flights to major US cities, Europe, and Latin America.