The victim’s body was discovered at a house in Ballycastle’s Broombeg View around 8,30 pm last night,
A formal identification has yet to take place.
The remains are to be taken to a mortuary for a full post mortem examination to give an exact cause of death.
Detectives from the PSNI’s Major Investigation Team have arrested a 33-year old man on suspicion of murder.
He is currently being quizzed at Coleraine police station.
Det Ch Insp Gareth Talbot said: “Our investigation is at a very early stage and we’re keen to hear from anyone with information about this heinous crime.”
Local politicians say the community in Ballycastle is “shocked” at the murder.