At Lighthouse, we believe with proper treatment, those experiencing a mental illness can lead full and rich lives. Our purpose is to empower those that live with mental illness, so that they may thrive. Lighthouse is the designated Community Mental Health Center for 9 counties in Southern Oklahoma ( Bryan, Carter, Garvin, Johnston, Love, Pontotoc, Marshall, Murray, and Seminole counties) with 9 outpatient clinics (Ada, Ardmore, Durant, Madill, Marietta, Pauls Valley, Seminole, Sulphur, and Tishomingo).