MMUN is the ICAO code for Cancún International Airport (IATA CUN), located in Cancún, ROO, Mexico.
Cancún International Airport (MMUN) sits 10 miles south of Cancún on the Yucatán Peninsula. Four runways (longest 11,483 ft) handle every current business jet. Field elevation 22 ft, no density-altitude concerns. Cancún is Mexico's premier international beach-resort destination — the Hotel Zone, plus the broader Riviera Maya (Playa del Carmen, Tulum, Akumal). Heavy year-round leisure traffic with extreme winter (December–April) snowbird peak. Ground time to the Cancún Hotel Zone is 25 minutes; Playa del Carmen via 307 is 60; Tulum is 90.