Travelers are voting Aquarium Barcelona as the best aquarium in Barcelona. There are 2 aquariums in Valencia a city just 188 km from Barcelona and 2 aquariums in Paterna which is 188 km distant. The most popular of these are L'Oceanogrsfic in Valencia and L'Oceanografic at the City of Arts and Sciences in Paterna. You can find 1 aquarium in Region of Catalonia and 4 aquariums in the country of Spain. Aquarium Barcelona is the top pick in Spain. Want more? Check out our map of aquariums in Barcelona.