How much sunken treasure is there in Israel?

The biggest find of sunken treasure in Israel was the coast of Caesarea. Over 2,000 gold coins were discovered dating from the 10th-12th century. More treasure was found near Caesarea from two 3rd-4th century sunken ships including silver coins, gemstones, bells, and a gold ring. There are also known shipwrecks in the Red Sea and off the coast of Ashkelon.