Hello again, Corlis! Sometimes it is difficult to decide between so many exciting Port Adventure options when I plan my own Disney Cruise Line vacations, so I understand that you want to pick the adventures that will be perfect for your family.
You are asking about the
Grand Cayman Dolphin Encounter, Dolphin Discovery Cozumel, and
Dolphin Kids at Dolphinaris, also in Cozumel. While all of them will offer amazing experiences with these beautiful creatures, for your family in particular with a four year-old, I recommend booking
Dolphin Discovery Cozumel. First of all, the two choices in Cozumel include more than just the dolphin experience, which is all that is included in the Grand Cayman adventure. I love that at Dolphinaris, snorkeling is included too, which is pretty special because guests get to snorkel in a gorgeous cove aquarium and be up close and personal with all sorts of other sea life. But, that is reserved for guests ages five and up, so that won't be the best option for your family this time.
At Dolphin Discovery Cozumel, not only do you get to spend the day enjoying your dolphin encounter, but you have the entire rest of the day to explore Chankanaab National Park, where the adventure is located. It's really a great combo adventure! The pool there is beautiful and right on the water, the beaches are stunning, and there is shopping, gardens to explore, other shows to watch like the popular sea lion show, and so much more. For an additional cost on site, you can even go ziplining, kayaking, snorkeling, experience the tequila factory, and relax at the spa.
I hope that helps, Corlis!
Marcy