Fos Provence Basket, also known as Fos-sur-mer, is a professional basketball team based in Fos-sur-mer, France. The team currently plays in the second tier LNB Pro B. Home games are played in the Complexe sportif Parsemain, which has a capacity of 2,000 people.
The club was founded on 13 January 1972 as Frat Fosséenne by its founders Paul Bruyère and Jean Lovato.
On 18 January 2020, Fos received Saint-Quentin Basket-Ball at the Palais des Sports in Marseille and set its attendance record with 3,384 spectators.
On 15 June 2018, Fos Provence promoted to the first-tier LNB Pro A for the first time in history, after defeating Roanne in the finals of the promotion play-offs.
In the 2020–21 season, Provence won the Pro B championship again and was promoted.