Piracy, fishing, piracy, obsidian, gold, piracy, flintknapping (am I the world's first "Caveman Pirate"?), gold, piracy, gold obsidian...and a good slab of bbq ribs.
Apparently he beached the ship right on top of an ancient Etruscan merchant ship wreck site, which proves that a: the rocks haven't moved, and b: the area has a centuries old tradition of breeding crap seamen.