Aerostar Airport Holdings, LLC is the publicâÂÂprivate partnership, privately held company, and limited liability company that operates and manages the Luis Muñoz MarÃÂn International Airport on behalf of the Puerto Rico Ports Authority. Since 2017, the company is 60% owned by Grupo Aeroportuario del Sureste, a Mexican airport management firm, and 40% by PSP Investments/AviAlliance. Aerostar has a forty-year lease to manage and upgrade the airport, including the investment of nearly $1.4 billion in capital improvements over the course of the lease.