I do not know how comfortable your children are with new experiences, the water and animals - but, I do have a suggestion. Overall, I think the experience provides lasting memories for children and my daughter loved it when she was young. But, you might want to consider doingthe excursion and then if the children are hesitant once you arrive at the sandbar - let them watch from the boat. The stingray are quite visible and it is a treat just to watch them swim around the boat and watch others hold them and feed them. The boat ride itself can be fun - take one of the catamaran stingray city tours.