What is the main function of a mooring buoy?

The main function of a mooring buoy is to provide a secure anchoring point for boats. Mooring buoys are typically used in areas where anchoring is either not allowed or not practical due to environmental concerns, such as sensitive ecosystems or high boat traffic. By using a mooring buoy, boaters can secure their vessels safely without dropping anchor, which can disturb the seabed and potentially harm marine life.

When a boat is tied to a mooring buoy, it can remain securely in place, preventing it from drifting and ensuring it remains accessible. This system allows for efficient use of water space in marinas and harbors by concentrating moored boats in designated areas, thus enhancing safety and convenience for all boaters.

While other options mention various markers and signals, they do not fulfill the primary purpose of mooring buoys, which is specifically to offer a reliable point to tether a boat in a safe manner.