Located in the heart of Chicago, on the calm waters of Lake Michigan, Positive Sobriety Institute is the destination of choice for professionals and others who fit our milieu seeking treatment for their addiction. Led by renowned addiction specialists who design comprehensive and individualized, science-based treatment plans, Positive Sobriety Institute specializes in addiction assessment, rehabilitation, and recovery services for drug, alcohol, pain medication abuse, sex addiction, gambling, food addictions, and mental co-disorders.