Ancient warship discovered

From Deep Sea Production

A successful expedition has resulted in the discovery of an ancient warship. It is believed to be Svärdet (The Sword), a ship that went under in 1676.

A successful expedition, led by Deep Sea Productions founder Carl Douglas, has resulted in the discovery of an ancient warship off the island of Öland in Southern Sweden.

It is believed to be Svärdet, a ship that went under in 1676. It is one of two giant ships that were lost in the largest naval battle in the history of the Baltic Sea, when “great power” Sweden was defeated by a Danish-Dutch fleet.

The other ship, Kronan, was discovered in 1981. The research of that ship has yielded more than 30 000 archaeological artefacts, many of which are displayed at the Kalmar County Museum.

The two episode series “Tall Ships at War” will provide a new understanding and insight into the fascinating story of how the first sailing warships were made and used in naval battles.


Technical deep diving in the chilly Baltic Sea adds an element of adventure. Advanced under water survey equipment and CGI will help the viewer understand the magnificence, prowess and shortcomings in warfare. Period reenactments and witness accounts add a crucial human element to the stories.


Mars. (a k a Makalös – Eng. Matchless). Built in 1561 for the first Swedish hereditary king, Erik XIV, she was the largest ship in the Baltic Sea: approximately 70 meters long weighing about 1000 tons. With more than 150 guns and cannon, she had more firepower than any warship before her. After an explosion on board, she went down in her first battle against a Danish fleet aided by ships from the German city of Lübeck. Discovered by Ocean Discovery.


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island of Öland Deep Sea Productions warship Southern Sweden Carl Douglas Svärdet