"The rebound goals," Leetch said, "you just can't give them up."
Adrian Aucoin gave the Islanders the lead 1 minute 35 seconds into the second period on a rebound goal.
Princeton went ahead by 4-2 on a rebound goal by Casson Masters.
"We weren't in the right spot to pick up the rebound goals," Laviolette said.
Turcotte's first shot bounced off the glove of Terreri, and then he followed up for a rebound goal.
Hull scored another rebound power-play goal less than six minutes later to make it 2-0.
Isbister gave the Islanders the lead with a rebound goal on the power play at 6:01 of the second period.
Steve Thomas made it 3-1 with a power-play rebound goal at 13:03.
The Sabres scored on a rebound goal with only 7.6 seconds left in the first period.
Tampa Bay (21-21-7) moved within 4-3 on John Cullen's rebound goal at 8:57 of the third period.