Barcelona Aquarium See one of the best collections of Mediterranean sea life in the world at Barcelona Aquarium, and find out why itandrsquo;s the most visited tourist attraction in Barcelona! Meet all kinds of weird and wonderful ocean creatures at one of Europeandrsquo;s biggest aquariums! Barcelona Aquarium (Landrsquo;Aquandagrave;rium De Barcelona) is home to more than 11,000 creatures from 450 marine species. Get to know the most exciting and secretive of sea creatures including piranhas, rays, alligators, and the kidsandrsquo; favourite - seahorses! Experience the feeling of walking along the ocean floor in the Oceanarium, a huge 80m walk-though aquarium. Youandrsquo;ll get a unique view of the animals as graceful rays and fearsome sharks swim around and above you! See amazing recreations of the worldandrsquo;s ocean habitats with species selected from seas across the planet, including Mediterranean and Tropical tanks. Planeta Aqua is dedicated to animals who have adapted to diverse conditions such as extreme cold or darkness, including everyoneandrsquo;s favourite - penguins! The Mini Aquariums, or Miniacuaria, showcase the amazing small details of Mediterranean flora and fauna that you might not notice in the larger tanks. Kids will love the EXPLORA! zone, where learning is made fun in 50 interactivities that they can touch, hear, investigate and discover nature. Barcelona Aquarium is easy to find, located with walking distance of Barcelona city centre and the Ramblas.