Golf-ball diving: The lakes lined with $150K of 'white gold'

    Sheena McKenzie, for CNN

    Updated 1445 GMT (2245 HKT) May 19, 2015

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    They're real-life treasure hunters. And in this case, the treasure is golf balls. Divers like Sam Harrison (pictured) can find 5,000 balls in just one lake and sell them secondhand at 75 cents apiece.
    Photos: Intrepid divers can make thousands from others' misfortune
    Treasure hunters – They're real-life treasure hunters. And in this case, the treasure is golf balls. Divers like Sam Harrison (pictured) can find 5,000 balls in just one lake and sell them secondhand at 75 cents apiece.
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    One of the most fearsome holes in golf is TPC Sawgrass' "Island Green" (pictured.)As the name suggests, the notorious 17th hole is surrounded by water and has claimed many a victim over the years.
    Photos: Intrepid divers can make thousands from others' misfortune
    Fearsome "Island Green" – One of the most fearsome holes in golf is TPC Sawgrass' "Island Green" (pictured.)As the name suggests, the notorious 17th hole is surrounded by water and has claimed many a victim over the years.
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    But golf balls aren't the only thing divers come across in the water. Here, a diver retrieves John Daly's putter and ball at the 2002 Australian PGA Championship in Queensland.
    Photos: Intrepid divers can make thousands from others' misfortune
    Search and rescue – But golf balls aren't the only thing divers come across in the water. Here, a diver retrieves John Daly's putter and ball at the 2002 Australian PGA Championship in Queensland.
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    But even before they even hit the water, there are significant outlay costs. In both the U.S. and UK, golf courses usually charge divers between 7-10c per ball they find.
    Photos: Intrepid divers can make thousands from others' misfortune
    Taking the plunge – But even before they even hit the water, there are significant outlay costs. In both the U.S. and UK, golf courses usually charge divers between 7-10c per ball they find.
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    Golf-ball divers can make a thriving business from other people's misfortune. Here, U.S. player Woody Austin falls while hitting his ball out of the water at the four-ball matches of the 2007 Presidents Cup in Montreal, Canada.
    Photos: Intrepid divers can make thousands from others' misfortune
    Waterfall – Golf-ball divers can make a thriving business from other people's misfortune. Here, U.S. player Woody Austin falls while hitting his ball out of the water at the four-ball matches of the 2007 Presidents Cup in Montreal, Canada.
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