Anchor buoy with self-adjusting buoy rope. Endowed with visual indicator with reflective tape. Allows to mark the exact position of the anchor and it also helps to easily retrieve a fouled anchor. The Light version (3822271) and the Heavy version (3822272) are equipped with dynamic drift limiter albe to maintain the anchor buoy on the exact vertical of the anchor even in presence of wind or currents, in addiction they are endowed with solar cells for charging the battery. The Heavy version includes also a Stainless Steel wire saver that allows a greater breaking load.