Lecavalier has four career hat tricks. He has scored a goal in five consecutive games. The Lightning record for goals in a game is four, set by Chris Kontos in the team's first-ever game Oct. 7, 1992, against Chicago.
Martin St. Louis had a goal and four assists as the Lightning beat Atlanta for the fourth time in five games this season. Marc Denis made 21 saves to end a seven-game losing skid.
Lecavalier and St. Louis set career highs with five points each.