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N LOST TREASURE · CASE FILE Recovered Nuestra Señora de las Mercedes Atlantic off the Algarve, Portugal 36.90°N 7.90°W · search-area center

Nuestra Señora de las Mercedes

Lost Treasures · Atlantic off the Algarve, Portugal
Reported value~$500M coins
RECOVERED · map confidence: Low Exact location unknown by definition; the point is the center of the associated search area or landmark.
From the Lodester Lost-Treasures master compilation; per that reference every point is a search-area/landmark center, not the treasure itself.

Region — where it (roughly) is

Self-hosted view on USGS Topo — the dot is the search-area center, not the treasure.

Land & claims · BLM · live

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Surface manager + active mining claims at this point, live from BLM. The "open to location" notes are a general 1872-Mining-Law guide, not BLM output — decision-support only; verify with BLM MLRS and on the ground before staking or entry.

The story

A Spanish frigate, a British broadside, and two centuries later a courtroom — this is a treasure story that actually ends with the treasure found, and then fought over in a way no salvor expected.

In 1804, the Nuestra Señora de las Mercedes was sunk by the British, going down with her cargo into the Atlantic off the Algarve coast of Portugal. There she stayed, scattered across the seabed, for more than two hundred years — until 2007, when the American salvage company Odyssey Marine located and recovered her coins. The haul was staggering, a hoard valued at roughly half a billion dollars: one of the richest shipwreck recoveries ever made.

Then the real battle began — not on the water, but in court. Spain contested the salvage, arguing the coins came from a sovereign Spanish warship and belonged to the nation, not to those who had hauled them up. The case wound through the U.S. courts and became a landmark in shipwreck and cultural-property law. In the end, the courts ordered the entire hoard returned to Spain. The treasure that had survived a sinking and two silent centuries was found, lifted, litigated, and handed over.

So the Mercedes stands apart from the lost-treasure tales around it. Its gold is not waiting in the dark; it was recovered, contested, and ultimately reclaimed by the country whose flag the frigate flew — a sunken fortune that came back to the surface and then went home.

Fact vs. legend: The frigate's sinking by the British in 1804, Odyssey Marine's 2007 recovery of its coins, and the U.S. courts' landmark ruling ordering the hoard returned to Spain are documented; this is a recovered treasure, not a legend.

Search area: The point marks Atlantic off the Algarve, Portugal — the search area or landmark, not the treasure, whose exact location is unknown.

Sources & finds

Base story rewritten from the cited public sources above. Claims were tagged fact / contested / legend during research. The map point (if any) is an interpreted search-area center — not a verified treasure location. Not an invitation to trespass; always verify land status and access before entering any site.