Tyler Seguin and Brad Marchand also chipped in with a goal and an assist each for the Bruins, who scored twice within a 24-second span late in the game to ice the win.
The Islanders lost despite two scores from P.A. Parenteau and another from Kyle Okposo.
Al Montoya yielded all six Boston goals on 27 shots.
Benedict Cumberbatch's dramatic reading of R. Kelly lyrics is just what you need
Couple mistakenly served bag of cash at McDonald's drive-thru