The Black Sea Maritime Archaeology Project claims that is has discovered the world’s oldest intact wreck, a Greek sailing vessel which dates back to 400 BC. The wooden hull is well-preserved as it is located a mile beneath the surface of the Black Sea, where low level of oxygen in the water limits decay.
The wreck’s design is similar to a ship that is depicted on a Greek pottery, which shows Odysseus’ crew passing the mythical creatures ‘Sirens’.
The Black Sea MAP project used an offshore survey...
https://safety4sea.com/archaeology-project-finds-worlds-oldest-intact-wreck/