We recently got married on the
Disney Cruise Line. It was amazing. If you do anything on
Castaway Cay itself, they charge a $1000.00 premium. In addition you can bring your own photographer no matter where you get married. We brought our own and had a Disney Photographer for a short time. The only difference with a Disney Photographer is they have some "set" stops to shoot photos that we may not have thought of that were great. Other than that, they are no means any better than someone with a good eye and a nice camera.
Any more questions, please ask.