Freighter Cruise, http://www.freightercruises.com, offers transatlantic
alternative travel by cargo ship.
Transatlantic crossing, www.cunard.com, crossing the Atlantic on a
luxurious cruise ship
Direct Ferries, http://www.directferries.co.uk/operators.htm, offers a list
of the most popular ferry operaters in Europe. Click on the ferry operator
for more info including guides, timetables, prices, booking and other
Ferry comparison website AFerry
Grimaldi Line, http://www.grimaldi-lines.com/
Italian freighter company that covers routes to and from Europe to South
America and Africa.
If you want to try your hand at crewing a boat.