Marine resources hold immense economic significance, supporting various industries and livelihoods globally. Fisheries and aquaculture provide a primary source of protein and employment, with examples like the tuna industry in the Pacific or shrimp farming in Southeast Asia. The energy sector heavily relies on offshore oil and natural gas reserves, such as those found in the North Sea or the Gulf of Mexico, and increasingly, on renewable sources like offshore wind and tidal energy. Marine biotechnology is a burgeoning field, extracting compounds from marine organisms for pharmaceuticals, cosmetics, and industrial enzymes, with sponges yielding potential anti-cancer drugs. Coastal tourism and recreation, including activities like diving, boating, and beach holidays, generate substantial revenue for many nations, exemplified by the Caribbean or the Great Barrier Reef. Additionally, marine transportation through shipping lanes and ports facilitates global trade, while seabed mining for minerals like polymetallic nodules represents future economic potential. These diverse resources underscore the ocean's critical role in the global economy.