The Islanders trailed by two before getting goals from Jordan Eberle and Scott Mayfield to even the score.
Brayden Point scored for the ninth straight game and added a helper, and Anthony Cirelli also produced a goal and an assist for the Lightning, who were on the verge on advancing to the Stanley Cup Final before Mayfield got the equalizer with 8:44 left in regulation.
Semyon Varlamov stopped 22 of 24 shots for the Islanders, while Andrei Vasilevskiy finished with 25 saves for Tampa Bay.
The Vegas Golden Knights have their backs against the wall needing two wins to keep their fourth season alive. Montreal is one win away from making the final for the first time since 1993.
Who will win tonight’s game?
This poll is closed
Vegas Golden Knights