I believe this article is referring to the Almiranta of the 1656 fleet, a ship called the Maravilla, which Bob Marx found in 1972 near Memory Rock in the Bahamas. The Maravilla was later salvaged throughout the 1990's by Herbo Humphries and co.
I know this is an old thread but I dream of gold within swimming distance from my home! Any of you around Duck Key? I am a diver near Key Colony Beach. Would love to get to know any other locals here.