A highly trained team of divers and archaeologists have been using sand dredgers to excavate relics from 3,000 years ago off the Israeli coast near Dor Beach some 40km north of Netanya. Two shipwrecks from 500-1000 BCE provide a glimpse of Biblical maritime trade.

https://www.timesofisrael.com/marine-excavations-offer-glimpse-into-ancient-history-preserved-under-the-sea/