With life-size reproductions and skeletons from the collection of the Estación Biológica de Doñana (EBD), a research institute of the CSIC, the Casa de la Ciencia offers visitors the opportunity to have a very close experience with these species of cetaceans that populate the Andalusian coast.

Visitors will observe specimens of the pilot whale, striped dolphin, pygmy sperm whale, bottlenose dolphin, common dolphin, killer whale, porpoise, Cuvier's beaked whale and humpback whale. A copy of this The latter species presides over the entrance to the Peru Pavilion and has in turn become "Marino", the Museum's mascot.

In addition, visitors can find clues inside the Museum to better understand the origin of the specimens and their most important zoological data.