The man who died following a road traffic collision near Ballycastle on Sunday was Sean McAlonan.
In a police statement, an inspector said: “The single-vehicle collision on the Glenshesk Road, involving a white Citroen Berlingo van, was reported to us at 6:05am.
“There were three people travelling in the van at the time.
“Police attended along with the other emergency services. Two of the occupants were taken to hospital for their injuries, which are not believed to be life threatening at this time.
“Sadly, the third occupant in the van was pronounced dead at the scene.
“The Glenshesk Road remains closed at this time.
“I want to appeal to anyone who was on the Glenshesk Road around 6am this morning and witnessed the collision, or anyone who may have captured dash cam footage to contact us.
“I would also appeal to anyone who believes they saw this vehicle prior to the collision to get in touch.”
Anyone with information should call police on the non emergency number 101, quoting reference number 386 of 25/11/18.
The Northern Ireland Ambulance Service sent two accident and emergency crews to the incident.
Following assessment and initial treatment at the scene, two people were taken by ambulance to Causeway Hospital in Coleraine.
A spokeswoman for the Northern Health Trust said both were in a stable condition.
The deceased man was Sean McAlonan of Hillside Road, Ballycastle.
Councillor Cara McShane said:” The death of this young man has left the community totally shocked and the thoughts and prayers of everyone are with his family.
“This is an awful accident at any time of the year, but we are now almost at Christmas. It is heartbreaking.”