An inlet is a narrow body of water between islands or leading inland from a larger body of water, such as an ocean or sea. Inlets can be formed by various geological processes, including erosion and sediment deposition. They often serve as natural harbors, providing safe anchorage for boats and ships. Inlets can vary in size and depth, and they play a crucial role in marine ecosystems. They often support diverse wildlife and serve as important areas for fishing and recreation. Examples of well-known inlets include the Chesapeake Bay in the United States and the San Francisco Bay in California.