Amethyst Recovery Center | 550 followers on LinkedIn. Hope Changes Everything | Amethyst Recovery Center is a dual diagnosis treatment facility located on the treasure coast of Florida. With over 75 years of combined experience, the staff at Amethyst is uniquely qualified to guide patients through the recovery journey. Amethyst is nationally recognized and offers detox, treatment, and sober living in addition to services such as mental health services, substance abuse education, life skills training, employment or educational support services.