Alcohol and Drug Addiction Treatment can save your or a loved one’s life. No one should have to make the choice between their health and taking care of their family. At Mountainside Huntington, you don’t have to. With a convenient location, flexible schedules, and personalized treatment programs, you can get the help you need to overcome your addiction while remaining at home and maintaining your daily responsibilities. Located in Long Island, Huntington is just an hour away from New York City and is an easy commute from Lloyd Harbor, Jericho, Old Westbury, Northport, and Smithtown.