Keith Lancaster, 62, was found dead inside his trailer home in the Rockaway section of Queens on April 5, 150 days after the storm hit. The New York City Medical Examiner's Office said Lancaster drowned inside the home.
Rockaway was devastated by the storm surge. Lancaster's trailer had a high water mark of 5 feet, The New York Daily News said Tuesday.
Neighbors made the discovery five months after the storm.
The city's death toll now stands at 44.