Treasure hunter unearths silver coins from 300-year-old Spanish shipwreck on Florida beach

INDIAN RIVER SHORES, Fla. 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. . Twelve Spanish galleons laden with treasures from the New World were bound for Spain July 31, 1715, but 11 were lost during a hurricane off the coast of Florida.