Alcohol Treatment Centers Nantucket County, MA Find local alcohol treatment centers in Nantucket County, MA. Click on one of the areas listed below to locate alcohol detox facilities in Massachusetts near you. Abnecotants Island Bass Ledge Cisco Codfish Park Coskata Esther Island Fishers Landing Gravel Islands Hoicks Hollow Long Josephs Point Madaket Mikas Pond Monomoy Muskeget Island Muskeget Rock Nantucket Nantucket Island Pocomo Polpis Quaise Quidnet Shallow Pond Shawkemo Shimmo Siasconset Smooth Hummocks Split Rock Squam Surfside Town Pasture Trots Hills Tuckernuck Island Warren Landing Wauwinet Whale Rock