EYOT is an acronym for 'Eddystone Yacht Owners' Trust'. It is a charitable trust that was established in the United Kingdom in 1971 to promote and protect the interests of yacht owners. The trust provides a range of services, including legal advice, insurance, and technical support. The term EYOT can also refer to a small island or ISLET, which is defined as a small landmass surrounded by water. An AIT is a type of ISLET, while an ISLE is a larger landmass surrounded by water.