Istanbul Aquarium (Istanbul Akvaryum) is a public aquarium in Istanbul, Turkey. It opened its doors in April 2011, is an official member of World Association of Zoos and Aquariums (WAZA). The site is 5 km from Atatürk International Airport, near the motorway and railway transportation systems in Florya, which is at the southwest coast of Istanbul

Istanbul Aquarium holds a leading position among worldwide aquariums thanks to its volume, variety of fish species, and the activities on travel routes. Visitors follow a geographical route that includes 16 themes and 1 rainforest going from the Black Sea towards the Pacific.