There are no ferries from Haifa to Europe.
There is apparently an occasional (rare) ferry from Haifa to somewhere in Turkey, but that is the only boat transport of any kind to or from Israel.
Check with companies that do cargo shipping.
Wow, mbgg! I think this must be something new, and I see the website says 2013. Ashdod to Salerno!!! True it's not Sicily, but close.