Barcelona Maritime Law - text Promulgated by James I of Aragon in 1258 AD.
Rhodian Law of the Sea - text Byzantine era
Ancient Maritime Law of Rhodes . This text, as much as it is known, is much older (circa 800 BC) than the later Byzantine law (about 800 AD.)
Other early codifications of maritime law include: the Code for Sea Consuls, those from Amalfi (Italy) and Visby (Northern Europe) and of the Hansa league.
update - 1 May 2013 -