 According to Heidenry, despite his erotic explorations and adventuring, Vassi was tragically unable to sustain a love relationship, and died alone, with only the care of his former girlfriend Annie Sprinkle.Marco is survived by his son Eric Van Johnson.His works have been reissued by numerous publishers over the years, but in 1992, "The Vassi Collection", a definitive ten-volume set of his works from Permanent Press, was published.