While you are waiting for answers here might I suggest you also post on the Disabled Cruise Travel forum. You'll get more responses that way. Here is the link:
https://boards.cruisecritic.com/forum/114-disabled-cruise-travel/
🙂
You'll want to ask/research on the Florida departures forum. Lots of hotel/transportation info available. Here is the link for you:
https://boards.cruisecritic.com/forum/386-florida-departures/
Welcome to CC. I would ask/research this on the Gulf Coast port of call forum. Link:
https://boards.cruisecritic.com/forum/316-gulf-coast-departures/
To find others on your cruise look in the Roll Call for your sailing. Click on "Find You Roll Call" at the top of the page.
As long as the teens are seriously working out and not goofing off I've never seen any staff challenge them. If you are there with them then there will definitely not be an issue.