MRLB is the ICAO code for Guanacaste Airport (IATA LIR), located in Liberia, G, Costa Rica.
Guanacaste Airport (MRLB) is a large airport in Liberia, G, Costa Rica. Pilots and dispatchers reference it by ICAO code MRLB or IATA code LIR. It sits in North America.
Guanacaste Airport is a commercial-airline hub that also handles a steady stream of private and corporate traffic. Mixed commercial and private operations mean planners should expect slot coordination, handling agent involvement, and the usual international hub procedures.
Guanacaste Airport sits near sea level at 270 ft.
Local operations run on America/Costa_Rica. Because the field hosts scheduled airline operations, private operators should expect a defined slot environment, possible CDM coordination at peak banks, and limited ramp availability during major event weekends. Booking FBO ramp space in advance is normal practice.
SkyAccess currently tracks 6 departing and 3 arriving private-jet legs at MRLB across the next six months of operator inventory. 6 charter operators have run trips through this field in our recent inventory window.
As one of the larger fields in Costa Rica, MRLB tends to be the natural choice for long-range international charters and crew-rest-required flights.