The 3rd Central American and Caribbean Junior Championships was held in Xalapa, Mexico, on 25–28 August 1978. This was already the second time that the city was hosting this event after the 2nd junior CAC games in 1976. Moreover, both the inaugural 1st CAC senior championships in 1967 and the VI CAC senior championships in 1977 took place in Xalapa, Veracruz. Both junior (under-20) and youth (under-17) competitions were held.