This is one of the largest aquariums in Europe, with hundreds of marine species in the oceanarium, and Mediterranean and tropical pools. As well as the underwater shark tunnel, kids will especially enjoy Explora! where they get a frog’s-eye-view and explore an underwater shipwreck. At Planeta Aqua they can see the penguins, feed the stingrays and watch the piranhas and alligators in a tropical river. Check for regular feeding times. Open Mon-Fri 9.30am-9pm; Sat-Sun & bank hols 9.30am-9.30pm. Jul & Aug 9.30am-11pm. Adult €20; child (5-15) €15 (10% online discount).