This are some pretty terrible pictures, but they show you how densely packed the containers are: http://www.travelwithachallenge.com/Images/Travel_Article_Libr

This are some pretty terrible pictures, but they show you how densely packed the containers are: http://www.travelwithachallenge.com/Images/Travel_Article_Library/Freighter-Travel/Container-Hold.jpg http://www.travelwithachallenge.com/Images/Travel_Article_Li... http://www.travelwithachallenge.com/Images/Travel_Article_Library/Freighter-Travel/Hanjin-Container-Ship-Seattle.jpg http://www.travelwithachallenge.com/Images/Travel_Article_Li... That's 14 layers of containers, eight below deck and six above. Some contains will need power hookups because they're refridgerated, so it's feasible that those are accessible, but most won't be. Plus, containers do get lost overboard occasionally. Cabins would be rather safer...