La Javilla Airport (ICAO: MLLJ) is a small general aviation airstrip located in the Guanacaste province of Costa Rica. It serves primarily private and light aircraft operations in support of agricultural activities and rural access in the region. Guanacaste is Costa Rica's northwestern province, known for its dry tropical forests, ranching, and tourism along the Pacific coast. Small airstrips like La Javilla play an important role in connecting remote areas where road infrastructure can be limited. The facility has no scheduled commercial airline service.