Dear Cindy:
I'm the family cruise editor here and I'm glad to hear you're considering cruising with your family. I was wondering if you would be planning to have your wheel chair bound son participate in youth program activities? If so, Disney Cruise Line seems to be most accommodating to children with special needs in their youth program. Keep in mind, however, that none of the youth programs are staffed enough to have one on one care for a child.
There are so many cruise lines with excellent youth programs -- Royal Caribbean, Disney, Carnival. However I think that you should start your search by contacting a travel agent who specializes in cruises and have her recommend ships that can accommodate your family of six in a wheelchair accessible cabin. Once you've narrowed that down, feel free to ask me any questions about the family friendliness of the ships that fit your son's needs. My 9 year old daughter has been on 13 cruises so I can give you first hand feedback on all the various youth programs at sea.
You can post your cruise needs here on CruiseMates.com and travel agents will contact you with whatever deals they've found for you. (Go back to the main page of the site.) Just make sure they are savvy about special needs on ships.
Good luck and let me know how your search develops.
Smooth sailing,
Luisa Frey Gaynor