The Aquarium is located in the Port Vell harbour area of city of Barcelona, at the bottom end of the famous La Rambla boulevard. It includes an 80 foot long moving tunnel through its oceanarium that houses many species of fish and sharks - total of 21 tanks with fish from all over the world. There is also a large interactive centre for children with many activities and sections to learn about piranhas, penguins, alligators, rays and more.