It has confirmed through fresh underwater imagery that the wreck discovered off the coast of Colombia in 2015 is indeed the long‑lost Spanish galleon San José, a vessel famed for carrying one of history’s most valuable treasure hoards when it sank in 1708 during the War of the Spanish Succession. Researchers from Colombia’s Naval Cadet School and the National Institute of Anthropology and History used remotely operated vehicles to capture high‑resolution images showing centuries‑old coins strewn across the seafloor, providing the strongest physical proof yet that this wreck holds the legendary treasure once bound for Spain.
The coins, known as “cobs” or “macuquinas,” were hand‑struck in Lima, Peru, and bear mint dates of 1707 alongside heraldic emblems of Castile and León, demonstrating that they could only have come from a vessel lost after that year. These irregular, octagonal pieces of eight are unmistakable markers of Spanish colonial coinage, and their scattered presence near the wreck’s stern at a depth of approximately 600 meters left little doubt for the archaeologists, who meticulously cataloged each coin in digital photogrammetric reconstructions to confirm the minting details and provenance.
Alongside the silver and gold coins, the team documented additional artifacts that further tie the site to the San José, including shards of fine Chinese porcelain dating to the Kangxi period and bronze cannons inscribed with the year 1665, all resting amid the starfish and sand on the Caribbean seabed. Lead researcher Daniela Vargas Ariza emphasized that no other known wreck in these waters combines such a unique blend of artifacts—royal emblems, Lima‑minted coins, Asian ceramics, and dated artillery—making the identification both comprehensive and conclusive
The San José was part of the Tierra Firme Fleet tasked with transporting precious metals and gemstones from the mines of Peru to the Spanish crown when it engaged British warships off Barú Island near Cartagena on June 8, 1708, an encounter that ended in a catastrophic explosion of its powder magazine and the deaths of nearly all the 600 sailors aboard. Historical records describe how the flagship, laden with over 200 tons of gold, silver, and uncut emeralds, exploded in a blaze that etched the event into maritime lore and spawned centuries of legends about its buried riches.
Modern estimates place the cargo’s current value at roughly $17 billion, making the San José the “richest wreck in history,” a claim first made by Colombian authorities when they confirmed the general location in 2015 and repeatedly raised in subsequent media reports. That staggering sum reflects both the sheer volume of metals recovered in records—millions of ecus and pieces of eight—and the dramatic premium collectors place on such rare, battle‑scarred artifacts that bridge Europe’s colonial empires and the New World extraction economy.
Ownership of the wreck remains fiercely contested, with Colombia invoking a 2020 law that declares all cultural heritage in its waters as state property, while Spain argues that the galleon’s vessels remain Spanish crown assets regardless of their age or location. At the same time, U.S.‑based Sea Search Armada claims it first located the San José in 1981 and is seeking some $7.9 billion as a finder’s fee, a dispute currently before the Permanent Court of Arbitration in The Hague. Indigenous groups from Bolivia have also entered the fray, arguing that their ancestors were forced to labor in the mines that produced this treasure and therefore deserve reparations or a share of any proceeds.
For now, Colombian authorities have emphasized that the initial research efforts are non‑invasive, consisting of detailed mapping, imaging surveys, and condition assessments of the wreck site rather than active recovery of artifacts, a measured approach designed to protect the fragile remains and ensure any eventual salvage operation proceeds under strict archaeological oversight. President Gustavo Petro has signaled his intent to raise the wreck before his term concludes in 2026, but acknowledged that that objective depends on resolving legal challenges and securing the substantial technical and financial resources required to conduct a deep‑water recovery at 600 meters.
As the world waits to see whether the San José’s gold, silver, and emeralds will ever surface, experts say the confirmation of the wreck’s identity marks a milestone in marine archaeology and underscores the complexities of underwater cultural heritage management in international waters. Whether through new legal frameworks or collaborative treaties akin to those governing the Titanic, the saga of the San José is likely to shape how nations balance historical justice, scientific inquiry, and the stewardship of submerged relics in the decades to come.