(făst`nĭt), islet, Co. Cork, S Republic of Ireland. Its 160-ft (49-m) lighthouse is near the most southerly point of Ireland. It is the marker for the furthest leg of the Fastnet Cup, a yacht race in the Admirals Cup.
A total of 19 people - 15 sailors and four spectators - died in the Irish Sea in August 1979 when a freak storm wreaked havoc with more than 300 yachts as they raced from southern England to the Fastnet rock off the coast of Cork.
The 605 nautical mile toughest of races will take the crew out of the Solent, across the Celtic Sea, round the iconic Fastnet Rock and on to the finish into Plymouth where there will be a mass of arrivals from August 4-8.
During his twenty-one years of service, Butler worked at the lighthouses of Bull Rock, Mizen Head, the Old Head of Kinsale, and Fastnet Rock. His true stories include tales of crews battling the elements in a fight for survival, and a detailed, eyewitness recollection of the 1979 Fastnet yacht race of 3,000 competitors; when a deadly storm surprised the racers, over 4,000 rescuers labored to save lives.