Luis Muñoz Marín International Airport, previously known as the Isla Verde International Airport, is the primary international airport of Puerto Rico serving the capital municipality of San Juan and its metropolitan area. Named after Luis Muñoz Marín, the first elected governor of the archipelago and island, the 1,600 acres airport is located in the beac…Luis Muñoz Marín International Airport, previously known as the Isla Verde International Airport, is the primary international airport of Puerto Rico serving the capital municipality of San Juan and its metropolitan area. Named after Luis Muñoz Marín, the first elected governor of the archipelago and island, the 1,600 acres airport is located in the beach-front resort and residential district of Isla Verde in the municipality of Carolina about 4 to 7 miles east of the business center of Hato Rey, resort area of Condado, and historic quarter of Old San Juan. With 12,197,553 million passengers in 2023, SJU is the busiest airport in the Caribbean, where it serves as a major gateway into the region.