Shark Island may refer to:
Places Cocos Island, Costa Rica Shark Island, Namibia, off the coast of Namibia Shark Island Concentration Camp, at Shark Island, Namibia Shark Island (Port Jackson), in Sydney Harbour, Australia Shark Island (Cronulla Beach), a semi-tidal rock ledge and bodyboarding spot in Sydney, Australia Tiburón Island, literally Shark Island, in the gulf of California, Mexico Shark Island, County Down, a townland in County Down, Northern Ireland Inishark, also called Shark Island, off the coast of County Galway, Ireland
Other uses Shark Island (band), 1980s rock band from Los Angeles Shark Island, an album released in 1983 by electronic band Basking Sharks
See also The Prisoner of Shark Island, a 1936 film