Cassavetes died from cirrhosis of the liver on February 3, 1989, at the age of 59, caused by many years of alcoholism.
He is buried at Westwood Village Memorial Park cemetery in Los Angeles.

At the time of his death, Cassavetes had amassed a collection of more than 40 unproduced screenplays, as well as a novel, Husbands.
He also left three unproduced plays: Sweet Talk, Entrances and Exits and Begin the Beguine.
But Begin the Beguine, in German translation, was co-produced by Needcompany of Belgium and Burgtheater of Vienna; it premiered on stage at Vienna's Akademietheater in 2014.
Cassavetes died from cirrhosis of the liver on February 3, 1989, at the age of 59, caused by many years of alcoholism. He is buried at Westwood Village Memorial Park cemetery in Los Angeles.
At the time of his death, Cassavetes had amassed a collection of more than 40 unproduced screenplays, as well as a novel, Husbands. He also left three unproduced plays: Sweet Talk, Entrances and Exits and Begin the Beguine. But Begin the Beguine, in German translation, was co-produced by Needcompany of Belgium and Burgtheater of Vienna; it premiered on stage at Vienna's Akademietheater in 2014.
John Cassavetes