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8 incredible real-life castaway stories

A castway writes S.O.S. in the sand

Photo: Michael Zysman/Shutterstock

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On their own

Survival reality shows and movies like "Castaway" romanticize what it's like to survive alone on a deserted island, but these dramatizations pale in comparison to real-life stories. History is wrought with harrowing survival stories of exiled castoffs and marooned travelers who have defied the odds and survived. Here's our list of eight such real-life stories. (Text: Bryan Nelson)