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On July 20, 1985, Mel Fisher’s crew found a fortune on the ocean floor near the Florida Keys. It was not luck, at least not the easy kind. The discovery came after roughly 16 years of searching, broken equipment, wrong turns, lawsuits, debt, and tragedy.

A hurricane turned one of Spain’s richest treasure fleets into one of Florida’s most famous shipwreck stories. In the summer of 1715, a convoy loaded with silver, gold, jewels, and trade goods left the Caribbean for Europe. Days later, much of it lay broken along the reefs and beaches of Florida’s Atlantic coast.

Maritime heritage is an essential part of our cultural identity, reflecting the stories of our ancestors and the evolution of human civilization. As we navigate through modern challenges, the importance of preserving our maritime heritage becomes increasingly clear. Archaeology plays a crucial role in this endeavor, uncovering the secrets of our past and ensuring that future generations can appreciate the rich tapestry of maritime history.

Shipwrecks hold a treasure trove of history, culture, and artifacts waiting to be discovered. The challenge lies in locating these submerged relics, often hidden beneath layers of sediment and water. One of the most effective methods for finding shipwrecks is magnetometry, a technique that uses magnetic fields to detect metallic objects underwater. In this blog post, we will explore how magnetometry works, its applications in shipwreck recovery, and some notable examples of i