The page does not show that this was the deepest wreck ever found, or that the ship was medieval.
Debated. A deep merchant ship still held its jars.
Off Ramatuelle, in southern France, the ship lay about 2.5 kilometres down. The page calls it the deepest wreck in French waters, and a 16th-century merchant ship named Camarat 4. It was about 30 metres long and 7 metres wide. About 200 ceramic jugs sat in the silt. Some were marked with the letters IHS. Others had plant or geometric patterns. About 100 yellow plates, iron bars, cauldrons, and six cannons were there too. The team thinks the ship set out from Liguria, in northern Italy. Where it was going is not known.
The page still asks how the ship was lost, and why the stern was empty.
https://www.ancient-origins.net/news-history-archaeology/france-shipwreck-deepest-0022189