Wow, that's interesting. I'm in the same boat as Dave and Penny (no pun intended), in that all I have is a passport and driver's license.
2007 - Majesty of the Seas (Bahamas)
2009 - Enchantment of the Seas (Western Caribbean)
2010 - Freedom of the Seas (Western Caribbean)
2013 - Golden Princess (Alaska, roundtrip from Seattle)