Directions from Luis Muñoz Marin International Airport Get on Expreso Román Baldorioty de Castro/PR-26 from Av. Aeropuerto and Marginal Aeropuerto Follow Expreso Román Baldorioty de Castro/PR-26 to Marginal Rd in Santurce, San Juan. Exit from Expreso Román Baldorioty de Castro/PR-26 Continue on Marginal Rd. Take C. San Jorge to Av. McLeary