Luis Muñoz Marín International Airport (LMM), 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. Covering 1,600 acres, SJU is located in the beach-front district of Isla Verde in the municipality of Carolina. Named after Luis Muñoz Marín, the first elected governor of the archipelago and island, it is, as of 2023, the 39th busiest airport by passenger boarding, 28th by international passenger traffic, and 24th by cargo throughput in the United States or its territories. 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.