Join a group of adventurous kids as they embark on an exciting underwater expedition to the Great Blue Hole, guided by their enthusiastic marine biologist, Dr. Marina. Together, they explore the wonders of this massive underwater sinkhole and uncover the secrets of its formation and ecosystem.

The adventure begins with a boat trip to the Great Blue Hole, where the children learn about its discovery by famous ocean explorer Jacques Cousteau. They discover how this giant marine sinkhole, over 300 meters across and 125 meters deep, was formed during the last Ice Age.