Sea Moon is a British-bred Thoroughbred racehorse. He was initially trained in Britain and as a three-year-old in 2011 he won the Great Voltigeur Stakes, was runner-up in the Breeders' Cup Turf and finished third in the St Leger. In 2012 he won the Hardwicke Stakes at Royal Ascot. In 2013 he was sold and sent to be trained in Australia where he won the Herbert Power Stakes. He returned to Europe for three races in 2015 before being retired to stud.

The Herbert Power Stakes is a Melbourne Racing Club Group 2 Thoroughbred horse race held under quality handicap conditions, for horses aged three years old and older, over a distance of 2400 metres. It is held at Caulfield Racecourse in Melbourne, Australia. Prizemoney is A$300,000.