John Martinelli

Dominic Trionfo crashed into the anchor chain of his family's boat, killing him. (credit: Dominic Trionfo via. Facebook)

14-Year-Old Long Island Boy Dies After Crashing Jet Ski Into Family’s Boat

Dominic Trionfo, of Middle Island, took his Jet Ski out in the waters off Mattituck and somehow made a wrong turn, crashing into the anchor chain of his family’s boat yesterday afternoon.