A buoy tender is a type of vessel used to maintain and replace navigational buoys. This term can also apply to an actual person who does this work.
USCGC Obion, a river buoy tender, maintaining navigational buoys on the Ohio River at Louisville, Kentucky.
Maritime Gendarmerie buoy tender Provence
CCGS buoy tender Samuel Risley
A buoy is a floating device that can have many purposes. It can be anchored or allowed to drift with ocean currents.
Buoy tender
…A buoy tender is a type of vessel used to maintain and replace navigational buoys. This term can also apply to an actual person who does this work. The United States Coast Guard uses buoy tenders to accomplish one of its primary…
Smart buoy with solar panels, LED light, and corner reflectors for radar
Green can #11 near the mouth of the Saugatuck River (IALA region B).
Green Can #11 on a nautical chart
The red buoy (1895), by Paul Signac. The usual red color of the buoys has gained some attention even by artists.