David Joseph Mastanduno of Northport on October 29, 2024. Beloved husband of Ann Marie. Loving father of Sarah Mastanduno and Jason Mastanduno. Devoted grandfather of Kevin Gaddis. Dear brother of Jeanne Behringer, Mary (Jimmy) DeMaio and Joseph (Diana) Mastanduno. Memorial Visitation 4 - 7 PM on Monday. Memorial Mass Tuesday at 10:30 AM at St. Philip Neri Church, Northport. Donations to Pancreatic Cancer Action Network, 2101 Rosencrans Ave., Segundo, CA 90245, in his memory, would be appreciated (www.pancan.org)