Spanish Archaeologists Uncover Trove of Ancient Shipwrecks in Bay of Gibraltar
Spanish archaeologists have made a groundbreaking discovery in the Bay of Gibraltar, identifying more than 30 ancient shipwrecks that span from the fifth century BC to the Second World War. This remarkable find, part of the Herakles Project led by the University of Cádiz, sheds light on centuries of maritime activity in one of the world's most strategic waterways.
A Watery Crossroads of History
The bay, nestled between Algeciras and the Rock of Gibraltar, has long served as a crucial passage between Europe and Africa. Over millennia, it has claimed vessels from diverse cultures, including Phoenician, Roman, British, Spanish, Venetian, and Dutch ships, as well as occasional aircraft. The three-year Herakles Project has catalogued 151 archaeological sites, with 134 of these being shipwrecks, of which 34 have been thoroughly documented by researchers from the University of Cádiz and the University of Granada.
The oldest wreck dates back to the Punic era in the fifth century BC, while the collection includes 23 Roman ships, two late Roman vessels, four medieval ships, and 24 from the early modern period. Among the sunken treasures are an agile 18th-century Spanish gunboat and the engine and propeller of a 1930s aeroplane, each telling stories of war, trade, exploration, and settlement.
Key Discoveries and Insights
Felipe Cerezo Andreo, the archaeology professor leading Project Herakles, emphasized the bay's historical significance as a bottleneck for global shipping routes. "It's one of those bottlenecks through which ships have always had to pass, whether on commercial shipping routes, voyages of discovery, or due to armed conflicts," he explained. The variety of wrecks reflects the area's role as a melting pot of cultures, with ships from nearly every nationality navigating the strait.
Notable finds include three medieval vessels that could illuminate seafaring during the late Islamic rule in southern Spain. However, one of the most exciting discoveries is the wreck of the Puente Mayorga IV, a small 18th-century gunboat used for stealthy attacks on British ships near Gibraltar. These craft often disguised themselves as fishing boats before revealing their prow-mounted cannons, a tactic frequently mentioned in historical reports but rarely studied archaeologically.
During an excavation, Cerezo uncovered a book-shaped wooden box from the Puente Mayorga IV, initially thought to hold espionage documents. "At first, we thought it could be used to hide documents, and we thought it might have something to do with espionage," he said. However, further analysis revealed it contained wooden combs, suggesting the officer was more concerned with grooming than spying.
Preservation Efforts and Public Engagement
The researchers are urging the Andalucían regional government and Spain's culture ministry to protect these sites from threats such as port development, dredging, and climate change. Rising sea levels and invasive algae are already endangering the wrecks by altering sediment layers and covering archaeological remains.
To raise awareness, the team has created virtual models and 360-degree videos of the sites, shared online and in local museums and town halls. "We bring these goggles so that people who don't dive can put them on and have a dryland diving experience," Cerezo noted. While the wrecks may not be as pristine as fictional treasure ships, these efforts aim to foster public demand for their preservation.
A Microcosm of Maritime Evolution
Cerezo highlighted that the bay offers a unique window into thousands of years of maritime history. "What we have here is a very small space that allows us to analyse the evolution of maritime history throughout practically the whole of the Iberian peninsula and north Africa," he said. This discovery underscores the intense relationship coastal societies have had with the sea, providing context-rich insights that go beyond museum artifacts to reconstruct the stories of past peoples.



