We did the Reef and Wreck many years ago, my younger sons were only 10 & 12. My youngest had only snorkeled one time before. If I remember correctly, they offered noodles to help you float. That’s really all you need to make it feel comfortable.
Good luck, GC a waters are so beautiful.
GET UP TO A $1000 SHIPBOARD CREDIT AND AN EXCLUSIVE GIFT!
If you make your Disney Cruise Line reservation with Dreams Unlimited Travel you’ll receive these incredible shipboard credits to spend on your cruise!