Services for Matthew Dupree Williams, of the Shinnecock Indian Reservation, begin Sunday in Southampton.
Williams, who died after a single-car crash on Flanders Road on Thursday, was 29.
The first visitation is Sunday between 7 and 9 p.m. at Brockett Funeral Home.
A second visitation is planned Monday between 1 and 2 p.m. at Community Baptist Church on Plant Street in Southampton Village.
The funeral will begin at the church at 2 p.m. Monday, officiated by the Rev. Donald Butler, followed by interment at Shinnecock Cemetery.