It happened around 2 a.m. Sunday, Oct, 27, in Huntington Station.
Police responded to the house on Lowndes Avenue after a 911caller reported the incident at the location.
When officers arrived, they located two men stabbed.
Justino Alfaro-Avila, age 29, of Huntington Station, was transported to Huntington Hospital where he was pronounced dead.
A 39-year-old man was treated at a local hospital and released.
Detectives are asking anyone with information on this incident to call the Homicide Squad at 631-852-6392 or anonymously to Crime Stoppers at 1-800-220-TIPS. All calls will be kept confidential.
Check back to Daily Voice for updates.
Click here to follow Daily Voice Southampton and receive free news updates.