Parise pushed it to 4-1 at 5:19 of the third period when he redirected a point shot by Alexander Romanov.
"I thought the fourth goal really demoralized us," San Jose coach David Quinn said. "I thought, if we're able to get that next one, all of a sudden it's a 3-2 hockey game and then the third period may take on a different meaning to it but, unfortunately, we weren't able to get that."
NOTES: Noah Dobson had an assist to become the first Islanders defenseman with consecutive 40-point seasons since Nick Leddy from 2015-17. … Lou Lamoriello (1,399 wins) moved within one of becoming the second NHL general manager with 1,400 (David Poile, 1,525). … Sharks forward Martin Kaut had one shot and one hit in 11:13 in his first game since Feb. 25 after being recalled from San Jose of the American Hockey League on Saturday. … Kahkonen has not won since Feb. 12, going 0-7-2 in nine games. … San Jose goalie James Reimer chose not to wear a pride jersey during pregame warm-ups, when the Sharks recognized the LGBTQIA+ community, saying he was "choosing not to endorse something that is counter to my personal convictions."