Coastal waters are the areas of the ocean that are close to shore, typically extending from the high tide line to the outer edge of the continental shelf. These waters are influenced by both marine and terrestrial environments, making them rich in nutrients and biodiversity. They support various ecosystems, including estuaries, mangroves, and coral reefs. These waters are important for many human activities, such as fishing, tourism, and transportation. They also play a crucial role in regulating the climate and providing habitats for numerous species, including fish, marine mammals, and sea turtles. Coastal waters are vital for both ecological balance and economic activities.