Limón is a canton in the Limón province of Costa Rica. The head city is in Limón district. Limón is the word in Spanish for the lemon fruit. Limó…Limón is a canton in the Limón province of Costa Rica. The head city is in Limón district. Limón is the word in Spanish for the lemon fruit. Limón was created as a canton on 25 July 1892 by decree 61.