Knowing the marine environment and the interactions among the organisms that inhabit it is crucial to promote its protection, management, and conservation. The Mediterranean Sea is going through an unprecedented biodiversity loss crisis, and it is necessary to intervene by involving and thrilling the public, mainly that of children. During the Mednight event, educational games with prizes dedicated to children will be used to show the life habits, distribution, and biological diversity of the Mediterranean Sea. The proposed activities will consist of models of marine species to be discovered and placed in the respective aquatic domain, in the correct geographical position in a three-dimensional map.