The Balearic Ports have issued guidelines for booking mooring buoys on the Posidonia Seagrass areas throughout the Balearics. The buoy areas are designed to protect the Oceanic Posidonia, facilitating low-impact anchoring for boats in transit and for a limited period of time. The management of reservations and allocation of buoys is carried out by Ports IB through its corporate website: https://reservas.portsib.es/BoyasWebPublico/
Further information about Posidonia in the Balearics can be found here