Acuario de Gijón
The Gijón Aquarium is one of the best attractions in the region, especially for families. It is also the only aquarium in Spain where you can see all five groups of animals. It covers 4,000 square metres (one acre) and is home to 5,000 marine creatures across 400 different species. Your kids will be able to spot everything from otters and Magellanic penguins to sharks. It also offers good sections on local wildlife and Cantabrian rivers.