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
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.