2017-18 Ligue de Hockey Cote-Sud season

This is the 2017-18 Ligue de Hockey Cote-Sud season. This is the league's sixth season.

Membership Changes

 * The St-Charles Eperviers join the league.

Quarterfinals

 * Sainte-Marie Giovannina defeated St-Pascal Imperial 3 games to none
 * St-Damien Plastiques Moore defeated Trois-Pistoles CIEL-FM 3 games to none
 * La Pocatiere Seigneurs defeated St. Jean-Port-Joli Pavage Jirico 3 games to 2
 * Montmagny Decor Mercier defeated St-Charles Eperviers 3 games to none

Semifinals

 * Montmagny Decor Mercier defeated Sainte-Marie Giovannina 4 games to none
 * La Pocatiere Seigneurs defeated St-Damien Plastiques Moore 4 games to 1

Final

 * La Pocatiere Seigneurs defeated Montmagny Decor Mercier 4 games to 2