“Jewish Ban on Sea Travel” issued by the Senate [Venice] [Unconfirmed]
Commentary from other sources:
1) “Venetian captains were forbidden from accepting Jews onboard their ships.” [There is another document from 992 AD in which Jews are mentioned – and the fact that they were not permitted on ships.]
Virtual Jewish World: Venice Italy; jewishvirtuallibrary.org; Jewish Europe – Your Guide to Jewish Europe; History of Jewish Venice; jewishvenice.info