A dockmaster is a person who is responsible for managing and overseeing operations at a marina or dock. They are in charge of making sure that the dock runs smoothly and efficiently, while also ensuring the safety and security of the boats and boaters who use it. A dockmaster typically has a wide range of responsibilities, including assigning boat slips, collecting fees, enforcing rules and regulations, providing assistance to boaters, coordinating maintenance and repairs, and overseeing safety and security measures.