More than four centuries after the Spanish treasure galleon Nuestra Señora de Atocha disappeared beneath the waters off the Florida Keys, the legendary shipwreck has yielded another remarkable discovery. Divers with Mel Fisher's Shipwreck Expeditions recovered a 22.5-pound silver bar from about 50 feet underwater near Key West, marking the first silver bar recovered from the Atocha site since 1999.

More than four centuries after the Spanish treasure galleon Nuestra Señora de Atocha disappeared beneath the waters off the Florida Keys, the legendary shipwreck has yielded…

Off the coast of Key West, a crew of treasure divers just pulled up something that had not come out of the water in almost thirty years. Working the wreck site of the Nuestra…