Underwater archaeologists have discovered a huge Roman dolium and the remains of a possible shipwreck off Italy’s Elba Island. The two finds could shed new light on centuries of trade and maritime activity in the waters of the Tuscan Archipelago.
The discoveries emerged during an underwater heritage monitoring campaign that began in May. Archaeologists are surveying the seabed between the Piombino Channel and the islands of the Tuscan Archipelago.
The first discovery is an almost intact Roman dolium. Ancient communities used these large terracotta containers to store and transport products such as wine, olive oil and grain.
Researchers believe the container may have once been carried aboard a specialized Roman merchant ship. Such vessels transported large quantities of goods across the Mediterranean.
The second discovery is more difficult to identify. Archaeologists found the remains of a small wooden vessel that could date from Late Antiquity or the early Middle Ages. Further investigation is planned for autumn 2026.
Roman dolium points to ancient trade
Researchers examined the shape of the dolium and the archaeological setting in which it was found. The evidence suggests it may have belonged to a Roman merchant ship designed to carry large storage containers.
These ships operated along Tyrrhenian Sea routes between the 1st century B.C. and the 1st century A.D. Their cargo holds could accommodate huge containers used to move wine and other products in bulk.
The discovery of the Roman dolium off Elba Island could provide further evidence of the area’s importance to ancient trade. The waters of the Tuscan Archipelago connected coastal communities and commercial centers across the region.
A giant Roman dolium and a possible Late Antique shipwreck have been discovered on the seafloor off Elba Island.
Divers found wooden planking and bronze nails at the mysterious wreck site, which could reveal new clues about ancient Mediterranean seafaring. pic.twitter.com/mDMB6zBFwD
— Tom Marvolo Riddle (@tom_riddle2025) August 11, 2026
The monitoring project aims to document archaeological material still lying on the seabed. Teams are checking previously recorded sites, updating their locations and examining newly reported finds.
The operation involves the archaeological authority for Pisa and Livorno and specialized Carabinieri units for cultural heritage protection and underwater operations. Archaeologist Gloriana Pace is overseeing the project.
Possible shipwreck remains covered by marine growth
The second site contains what researchers believe may be the remains of a small shipwreck. The surviving structure measures about 5 meters, or 16 feet, long and 2 meters, or 6.5 feet, wide.
Much of the possible wreck is covered by mucilage, a layer of organic material and microorganisms. The covering makes it difficult for archaeologists to examine the structure clearly.
Despite the poor visibility, divers identified sections of outer wooden planking, structural timbers and numerous bronze nails.
Researchers have not yet determined the vessel’s age. Its condition and the surrounding sediment make precise dating difficult. Initial assessments place it somewhere between Late Antiquity and the early Middle Ages.
The vessel may have served as a small launch, fishing boat or coastal craft. Archaeologists say more evidence is needed before they can determine its original purpose.
New surveys planned for autumn
Researchers plan to return to the possible shipwreck in autumn 2026. Archaeological surveys will examine its construction, age and condition in greater detail.
The team also plans to collect material samples for analysis. Those studies could help determine when the vessel was built and provide clues about how it sank.
Officials also want to expand cooperation with specialized underwater heritage authorities for sites at greater depths. Such locations require advanced diving equipment and additional technical support.
The wider monitoring campaign has also revisited known archaeological sites around the Tuscan Archipelago. Researchers have updated their coordinates and recorded changes in their condition.
Officials are also working with local diving centers to improve protection of underwater archaeological remains. Divers can play an important role by reporting unexpected discoveries without disturbing them.
The Roman dolium and possible shipwreck add to growing evidence of the rich maritime history preserved beneath the waters around Elba Island. Ships crossed this part of the Tyrrhenian Sea for centuries, leaving traces of Roman commerce and later coastal navigation on the seabed.
The next investigation could determine whether the wooden remains are indeed a Late Antique or early medieval shipwreck. If confirmed, the vessel could offer a rare look at the smaller boats that once carried people and goods along the Tuscan coast.
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