150 Ancient Shipwrecks Found in Bay of Gibraltar

Imagine a hidden archive at the bottom of the sea, preserving stories from 2,500 years of human journeys across the waves. That's exactly what researchers have found in the Bay of Gibraltar.

Over six years, Project Herakles brought together teams from Spain's University of Cádiz and University of Granada to explore the narrow waterway connecting the Atlantic Ocean and Mediterranean Sea. What they discovered transformed our understanding of this historic passage.

The team identified 150 underwater archaeological sites, most of them shipwrecks. Before the project began in 2019, only four sites were known in the area.

"This tells us we are not dealing with isolated shipwrecks, but rather a submerged historical archive," said Felipe Cerezo Andreo, a lecturer in archaeology at the University of Cádiz. The vessels range from 5th century B.C. Phoenician ships to World War II aircraft.

Among the finds are 23 Roman ships, four medieval vessels, and even the engine and propeller of a 1930s plane. Most visible wrecks date from the 18th to 20th centuries, but older treasures lie buried beneath them in the sand.

The researchers combined old-fashioned detective work with cutting-edge technology. They started by digging through historical archives and talking with local fishermen and divers who know the waters intimately. Then they used advanced marine scanning equipment and magnetometers to detect metal buried beneath the seafloor.

The bay served as a crucial hub in ancient times, home to settlements like Carteia and Iulia Traducta. "The bay has functioned as a funnel of global history," Andreo explained.

The Ripple Effect

The discovery faces urgent threats. Many wrecks are in critical condition, vulnerable to port construction, erosion, and looting. An invasive algae called Rugulopteryx okamurae is also damaging the marine environment and making preservation harder.

Rather than disturbing the sites, the team is using photogrammetry and 3D modeling to document everything digitally. They're following UNESCO principles that emphasize preserving artifacts where they rest.

The researchers aren't keeping these treasures to themselves. They're planning an underwater park and virtual reality experiences so people can explore the shipwrecks without causing further damage.

"We want society to feel that these shipwrecks are their 'museums beneath the sea,'" Andreo said. The team is working to make this hidden heritage accessible to everyone, transforming what was once lost into a shared cultural resource.

"Protecting these remains is about protecting the pages of the book that explain who we are today," he added, reminding us that history beneath the waves still has much to teach us about our shared human story.