World-class diving destinations showcase marine ecosystem diversity. Cozumel achieves 80-150 feet visibility enabling drift diving. Bonaire establishes 80+ marked shore diving sites. Raja Ampat features 1,500+ fish species & 550+ coral species. Great Barrier Reef reveals coral bleaching & climate change impacts. Monterey Bay features kelp forest ecosystems with marine mammals. Cenote diving reveals haloclines & thermoclines visual effects. Ice diving reveals extreme polar ecosystems. Diving destinations enable marine ecosystem exploration & conservation awareness.