When you think of a transatlantic cruise, you probably think of Cunard Line’s Queen Mary 2. Cunard Line is the iconic cruise line of transatlantic voyages. However, today many of the major cruise lines offer transatlantic cruises as they reposition their ships from the Caribbean to Europe in the Spring and back from Europe to the Caribbean in the Fall. Although the number of ports are scarce, there is plenty to do on your days at sea. Or, you can just relax, read a book and watch the ocean pass you by.