Their first title was won in 1990 and won their second straight in 1991. Their third and recent was in 2005. Port Autonome's first cup final appearance was in 1990 and faced
ASC Linguère and lost 1–0. Their first and only cup title was won in 2000 after defeating
ASC Saloum of Kaolack 4–0; this was Port Autonome's recent cup final appearance. Also in the same year they won their only Assemblée Nationale Cup. The club was relegated in the 2010 season to the Senegal Ligue 2. They returned again to Ligue 1 in 2013 and remained until they were relegated in the 2014–15 season after finishing last with 20 points, eight behind
AS Pikine and with 14 losses. Port Autonome's first appearance in the League Cup was in 2009. The club advanced up to the quarterfinals and lost to
AS Douanes 2–0. In the
2010 edition, the club advanced up to the semis and lost to
ASC Diaraf 2–0. For a short time in late 2013,
Casa Sport shared the number of honors won with Port Autonome; up to that time, Porto Autonome was ranked eighth. ==Achievements==