The Santo Antão Island League (South) is a regional championship played in Porto Novo, Santo Antão Island, Cape Verde. The winner of the championship plays in Cape Verdean football Championships of each season. It has the fewest teams in the Capeverdean football or soccer. It is the only island league in Cape Verde to have all of its football clubs in one town and also where there are no teams in the western half of the island due to a low population.
