The deceased has been named locally as Matt Kivlehan.
The discovery was made around lunchtime, when gardaí were called to an apartment on Holborn St following reports of a stabbing during a dispute. It is believed a knife was found nearby. There were no arrests at the scene.
Mr Kivlehan, in his late 50s, was pronounced dead at the scene, which was preserved for a technical and forensic examination. Deputy State pathologist Michael Curtis carried out a preliminary examination last night. The body was later removed to Sligo Regional Hospital, where a full autopsy is expected to be carried out today. The local coroner was notified.
Mr Kivlehan, a former carpenter who had not worked for several years, was from a family well known locally. He lived alone. It is believed the alarm was raised by a caller to the house.
Among the people gardaí were seeking to interview last night was a woman seen in the company of Mr Kivlehan a short time before he was attacked. He had a partner, who did not live with him, but she was not the woman sought by gardaí.
Neighbours expressed shock at the death of a man they knew well and whose family home is close to his own. Publican Jackie Brennan, who owns the nearby Rendezvous Bar, was a friend of the deceased.
“He was a wonderful musician and played a number of instruments, especially the guitar. He was the nicest fellow you could meet,” said Mr Brennan, who also described the deceased as “placid”.
Another friend who did not wish to be named said he
was a fine carpenter and cabinet-maker. “You could not ask to meet a more gentle person. I never heard Matt raise his voice to anybody in his life. He was a lovely, warm man,” the friend said.
Sligo gardaí have set up an incident room and anyone who can assist their investigation can call 071 9157000.