Travelers are voting Aquarium of Genoa as the best aquarium near Portofino. There is 1 aquarium in La Spezia a city just 36 km from Portofino. The most popular of these is Aquarium of Genoa in La Spezia. You can find 1 aquarium in Liguria and 1 aquarium in the country of Italy. Aquarium of Genoa is the top pick in Italy. Want more? Check out our map of aquariums near Portofino.