OCD Reefs logo

Top 5 Largest Aquariums in the world

Istanbul Sea Life Aquarium



Three miles from the Ataturk International Airport in Istanbul, Turkey, lies Europe’s Second Largest Aquarium. Opened in 2009 and cost over 17 million euros, Sea Life’s tank holds 1.32 million gallons of water and houses over 25,000 sea creatures, including tiger sharks, sting rays, and piranhas. Their tank, however, holds the record for the longest tunnel running under the aquarium, the length being 83 meters (272 Feet) long.





The City of Arts and Sciences, located in Valencia, Spain, is the Largest Aquarium in Europe. Opened in 2003, L’Oceanografic’s tank holds 1.85 million gallons of water. Populating nine underwater towers, structured in two levels, their tank holds over 45,000 marine creatures. L’Oceanografic is mostly known for its spectacular and massive dolphin display.


Okinawa Churaumi Aquarium



Okinawa Churaumi was opened in 2002 inside the Ocean Expo Park in Japan. Their main tank (“Kuroshiro”) holds 1.98 million gallons of water and contains several thousand sea creatures. Okinawa Churaumi also has over 77 other display tanks. They are mostly known for their abundance of whale sharks which they purposely house for breeding.


Dubai Mall Aquarium



The Dubai Mall is already one of the world’s largest shopping centers but also houses the second-largest aquarium tank. The centerpiece of this beautiful mall holds 2.64 million gallons of water and over 30,000 marine creatures. The tank glass is made of 30-inch thick acrylic and has over 400 sharks and manta rays.


Georgia Aquarium



Funded by a generous donation of $250 million from Home Depot’s co-founder Bernie Marcus, this aquarium opened in 2005 in Atlanta, Georgia. This massive tank holds 6.3 million gallons of water, and over 100,000 marine creatures inhabit it. Georgia’s aquarium tank is by far the largest in the world and is the only tank outside Asia to house whale sharks.


Are you interested in owning your own beautiful masterpiece and recreating the ocean floor in your household? You might not be able to breed manta rays or whale sharks, but with the right saltwater fish tank installation company, you could make your dreams of having your piece of the ocean depths in your grasp.