Alcohol Treatment Centers Nassau County, FL Find local alcohol treatment centers in Nassau County, FL. Click on one of the areas listed below to locate alcohol detox facilities in Florida near you. Amelia City Amelia Island American Beach Andrews Becker Big Piney Island Boulogne Bryceville Callahan Chester Crandall Crane Island Crawford Dahoma Dyal Evergreen Fernandina Beach Franklintown Glenwood Gross Hedges Hero Hilliard Ingle Italia Keene Kent Kings Ferry Lessie Little Tiger Island Martins Island Mattox Nassau Village Nassauville ONeil Old Fernandina Piney Island Ratliff Tiger Island Verdie Yulee Yulee Heights