Redwood Coast Chamber: Automotive Services. www.redwoodcoastchamber.com/automotive.asp: Redwood Coast Chamber: Automotive Services Union 76 Gas Station in Gualala, California. Highway One. Tel: 707-884-1500. South Coast Automotive in Point Arena, California. 30 Port Rd. Tel: 707-882-3410. Elk Garage in Elk, California. 6061 Highway One. Tel: 800-483-3444. Mueller Machine in Gualala, California. 38401 S. Highway One. Tel: 707-884-3183. Point Arena Garage in Point Arena, California. Tel: 707-882-2079.