El Cerrito Airport (ICAO: MRCO) is a small general aviation airstrip located near Filadelfia in the Guanacaste province of Costa Rica. It serves primarily private and charter flights in the northwestern region of the country, an area known for its dry tropical climate and cattle ranching. The airport is a basic facility with limited infrastructure, typical of rural airstrips in Costa Rica. It does not handle scheduled commercial airline service and has no IATA code assigned. The surrounding region of Filadelfia is a small agricultural town in the canton of Carrillo, Guanacaste.