Jack DeMarco 84, of Palm Beach Gardens Fl Aug. 8 2015. A native of Newark, NJ he served 4 years in the U.S. Navy and was a pioneer in the treatment and recovery from substance abuse. He will be fondly remembered by his nephews, Anthony (Tracy) Finaldi Joey (Cori) Finaldi of Palm Beach Gardens, niece Angela (Dino) Casalendo Ocean City, NJ. Great nieces, Tara, Lucia, Gia, Toni, Natalie Finaldi . Friends and family may visit the Howard-Quattlebaum Funeral Home 754 U.S. 1 North Palm Beach 33408 Tuesday 08-11-12 , 2 pm and 4 pm and 6 pm 8 pm. The mass of Christian burial will be offered at 10:00 am Wednesday 08-12-15 at the Cathedral of St. Ignatius Loyola 9999 N. Military Trail ,Palm Beach Gardens 33410 with entombment to follow at Riverside Memorial Park, Tequesta, FL. The family has requested memorial contributions be to Vitas Hospice 4300 Northcorp Parkway ,Suite 140 Palm Beach Gardens, FL 33410