Inaugurated in 1980, it is the only of its kind in the country and it is located in a place known as Cayo Loco, a key by the margins of the Jagua Bay. In that site, the naval uprising of September 5 th, 1957 against the Fulgencio Batista dictatorship took place. An account of the event is made step by step. It also exhibits a summary of the man-sea relationship from the pre-Columbian epoch up to these days.