Sablé began his career at Saint-Étienne, where he made his first team debut in the 1997–98 season. He became an integral member of the club the following season, when they earned promotion to Ligue 1. Sablé later earned the captain's armband at Saint-Étienne.
Sablé began his professional career with Saint-Étienne and made his debut in the 1997–98 season. The following year, he became a key player for the club that secured promotion to Ligue 1. Later, Sablé was appointed as the team captain at Saint-Étienne.