First Treasures Recovered from Holy Grail of Shipwrecks San José

Three gold coins recovered from the San Jose wreck site.

November

/ 2025

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Colombian scientists have successfully retrieved the first artifacts from the legendary San José galleon, known as the "holy grail of shipwrecks," marking a historic milestone in underwater archaeology. Among the recovered items are a bronze cannon, three gold coins, and a delicate porcelain cup, all brought up from nearly 2,000 feet beneath the Caribbean Sea where the vessel has rested since 1708. The recovery represents not just a treasure hunt, but a scientific expedition authorized by the Colombian government to study the wreckage and unravel the mysteries surrounding its catastrophic sinking during the War of the Spanish Succession.

The Ill-Fated Voyage of 1708

The San José was returning to Europe laden with extraordinary wealth meant to fund Spain's war efforts when British warships intercepted it near the fortified port city of Cartagena, Colombia. The 62-gun, three-masted galleon was part of Spain's treasure fleet system, carrying what historians estimate to be 11 million gold and silver coins, precious emeralds, and other valuables from Spanish-controlled colonies in Latin America. The cargo's estimated worth ranges from $17 to $20 billion in today's currency, making it potentially the most valuable shipwreck ever discovered.

Historical accounts have long suggested that a massive explosion caused the vessel to sink during the British ambush, but Colombia's government now proposes alternative theories, including the possibility of hull damage contributing to its demise. The wreckage lies at a depth of 600 meters, its exact location kept as a closely guarded state secret since Colombian researchers officially located it in 2015.

The President of Colombia and other officials with a cannon recovered from the shipwreck.

Colombia’s president, Gustavo Petro, (center) looks at a cannon recovered from the San José. (Colombian Presidency)

A Scientific Mission, Not a Treasure Hunt

President Gustavo Petro's administration has repeatedly emphasized that the deep-water expedition's primary purpose is research rather than treasure recovery. Colombia's Culture Ministry announced that the retrieved artifacts will undergo an extensive conservation process at a specialized laboratory established specifically for this expedition. Minister Yannai Kadamani Fonrodona described the recovery as "a historic event" demonstrating Colombia's commitment to protecting its underwater cultural heritage, according to CNN.

Alhena Caicedo Fernández, director of Colombia's Institute of Anthropology and History, stated that the recovery "opens the possibility for citizens to approach, through material evidence, the history of the San José galleon." The artifacts offer invaluable insights into Europe's economic, social, and political climate during the early 18th century, particularly during the War of the Spanish Succession, a conflict that reshaped European power dynamics. Researchers deployed underwater robots to carefully retrieve the items from the seabed, employing cutting-edge technology to preserve these fragile remnants of colonial-era maritime history.

The Colombian government has declared the San José significant to the nation's cultural identity, with plans to eventually display recovered artifacts in a proposed museum of shipwrecks in Cartagena. A 2024 remotely operated vehicle survey mapped additional treasures at the site, including anchors, glass bottles, ceramic jugs, and numerous gold objects still scattered across the wreckage.

Artifacts of the San Jose on the sea bed.

Some of the archaeological treasures of the San Jose on the seabed near Cartagena, Colombia. (Presidency of the Republic of Colombia)

Legal Battles Over Billion-Dollar Bounty

The San José has become the centerpiece of an international legal dispute involving Colombia, Spain, and the United States. Sea Search Armada (SSA), a group of American investors formerly known as Glocca Morra, claims to have discovered the wreckage in 1982 and is demanding approximately $10 billion—roughly half the estimated value of the treasure—in arbitration proceedings at the Permanent Court of Arbitration. The company insists it holds the economic rights to the galleon based on its alleged earlier discovery, according to AP News.

Colombia maintains its position that the 2015 discovery, conducted with international scientific collaboration, gives it sovereign rights over the wreck and its contents. Spain has also entered the fray, arguing that the San José remains Spanish national patrimony regardless of where it sank. These competing claims reflect broader debates about maritime archaeology and cultural heritage, particularly regarding colonial-era shipwrecks carrying plundered wealth from indigenous civilizations.

The legal complexity mirrors disputes over other famous wrecks, including the 1715 Spanish Fleet and the Nuestra Señora de Atocha, highlighting ongoing tensions between commercial salvage operations and archaeological preservation. While treasure hunters view such wrecks as lucrative opportunities, archaeologists and historians emphasize their irreplaceable value as time capsules offering insights into colonial trade networks, naval warfare, and the lives of those who perished at sea. The San José carried not only royal treasure but also personal possessions of crew members and passengers, making it a crucial archaeological site beyond its monetary value.

The recent artifact recovery demonstrates that Colombia is moving forward with its plans despite the ongoing litigation. Whether the recovered treasures will ultimately remain in Colombian museums, be repatriated to Spain, or become subject to financial claims remains to be seen. What is certain is that each new discovery from the San José adds another chapter to one of maritime history's most compelling stories, intertwining themes of imperial ambition, naval warfare, untold wealth, and the enduring human fascination with sunken treasure.

Top image: Three gold coins recovered from the San Jose galleon. Source: Presidency of the Republic of Colombia

By Gary Manners