Description Available in: Marignane Gignac Côte Bleue Football Club, also known as Marignane GCB, Marignane Gignac CB, Marignane Gignac, or Marignane, is a French football club based in Marignane, Bouches-du-Rhône. Competing in the Championnat National, the third-tier of French football, the club plays its home matches at the Stade Saint-Exupéry.