On a recent Royal Caribbean cruise, we got a letter in our cabin from Port Valet.  This is a service offered by the Port of Seattle to check-in for your flight, receive your boarding passes, and have your luggage sent directly from outside your stateroom to your home airport.  We didn’t take advantage of this service on our cruise (because we were staying an additional night in Seattle), but it sounds very similar to a service offered by Disney Cruise Line. read more