Aquarium Barcelona is an aquarium located in Port Vell, a harbor in Barcelona, Spain.
The 35 aquariums at the facility are home to 11,000 animals representing 450 species. The aquarium contains a total of 5,000,000 l (1,300,000 US gal). This includes an ocean tank for sharks, rays and other large fish, which is 36 m (118 ft) in diameter, 5 m (16 ft) deep, contains 3,700,000 l (980,000 US gal) of water and has a 80-meter (260 ft) underwater tunnel. The Aquarium of Barcelona is part of the Aspro Parks.
The aquarium is a member of the Iberian Association of Zoos and Aquaria (AIZA).