2015 São Tomé Third Division

The 2015 São Tomé (Island or Regional) Second Division was the third season of the fourth-tier competition that took place that season, also being the nation's lowest. The club was the third and last that hat 12 clubs. Geographically almost all clubs but Porto Alegre and Ribeira Peixe were from the north. Agrosport won the title and participated in the Second Division in the following season, as the number of clubs in the Premier Division had risen to 12, four clubs qualified alongside Boavista Uba Budo, Sporting São Tomé and Ototó, the Third Division would feature only ten clubs next season. A total of 90 matches were played and 252 goals were scored.