Sam Montembeault made his third consecutive start in goal.
The Isles opened the scoring at the 10:26 mark of the first period, courtesy of Brock Nelson, who leads the team in scoring.
Rem Pitlick responded for the Habs with his sixth goal of the season with under three minutes to play in the frame.
Jake Evans recuperated a loose puck in the offensive zone and tee'd up his linemate who made no mistake on the finish.