The Santa Monica Bay National Marine Sanctuary is a protected area located off the coast of California. Established in 1999, it covers approximately 6,000 square miles of ocean and coastal waters. The sanctuary aims to preserve the diverse marine life and habitats found in the bay, including kelp forests, coral reefs, and various fish species. The sanctuary is home to numerous recreational and educational opportunities, such as boating, fishing, and diving. It also plays a vital role in research and conservation efforts, helping to maintain the ecological balance and promote sustainable practices in the region.