FL - 22 Spanish silver coins from 1715 shipwreck unearthed on Florida beach

“Not everyone knows why it’s called the Treasure Coast,′ said Jonah Martinez, a treasure hunter from Port St. Lucie. ‘This is why’

They don’t call it the Treasure Coast for nothing.

Jonah Martinez, a 43-year-old treasure hunter from Port St. Lucie, was scanning the sand with his metal detector at Turtle Trail beach access Friday night when his device picked up a signal.

Beneath him, over three centuries of history were buried in the sand:

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