Here are the links to some relevant databases on maritime ship voyages :
– SlaveVoayges: the reference on transatlantic slave voyages and more (16th -19th c.).
– Sound Toll Register Online: the database containing information on 1.8 million passages through the Sund (16th -19th c.).
– AveTransRisk: a databe on Average procedures of ships in the Mediterranean world (17th-18th c.).
And here a link to another database on the Balance of trade:
– RICardo: a database and visualization tools of statistics on world trade (19th c.)
The Archives départementales des Bouches-du-Rhone made the online access to the digitilized registers of the captains’ declarations avaible thought their website).