Investigators said drunk driving was suspected in the accident.
The victims were identified as 27-year-old Thomas Occhiogrosso, of Riverhead, and his brother, 28-year-old Joseph Occhiogrosso, of East Meadow.
Police identified the driver of the vehicle as Robert James Farr, 33, of Garden City.
Farr has been charged with DWI and 2 counts of vehicular manslaughter. He was ordered held without bail.
NEW YORK AND TRI-STATE AREA NEWS