Top-5 Biggest Aquariums in the World in 2025, Know About Them

Aquariums are places where people can see and learn about fish, sharks and other sea animals. Around the world, some aquariums are so big that they can hold millions of gallons of water. These large aquariums give homes to thousands of marine creatures and offer exciting experiences for visitors. In this article, we will learn about the top-5 biggest aquariums in the world by total water capacity.

Top-5 Biggest Aquariums in the World in 2025

Chimelong Spaceship, located in Zhuhai, China, stands as the largest aquarium in the world with the total water capacity of 75.3 million litres, followed by Seaworld Abu Dhabi and Chimelong Ocean Kingdom.

Here is the list of top-5 largest aquariums in the world in 2025:

Chimelong Spaceship, World’s Largest Aquarium

Chimelong Spaceship is the biggest aquarium in the world. It opened in 2023 in Zhuhai, China. This indoor aquarium was designed by a company from California. It has 38 tanks and holds the world record for the largest aquarium tank (56 million litres). More than 300 species of sea animals live here. It also has the largest living coral reef exhibit, which covers 2.8 million litres of water.

SeaWorld Abu Dhabi

SeaWorld Abu Dhabi opened in May 2023 after seven years of building. It is now the second biggest aquarium in the world. The aquarium has eight different sea zones called ”realms” that show different habitats like polar and tropical areas. More than 150 marine species live here under one roof.

Chimelong Ocean Kingdom

Before 2023, Chimelong Ocean Kingdom was the largest aquarium in the world. Now it is the third biggest. It opened in 2014 and is also located in Zhuhai, China. This aquarium is part of the Chimelong resort and has more than 15,000 sea animals in eight themed zones.

S.E.A. Aquarium

The S.E.A. Aquarium in Singapore was the biggest in the world between 2012 and 2014. It is still one of the largest today. It has more than 100,000 marine animals from over 1,000 species. A long 36-meter tunnel has visitors walk underwater and see sea life all around them.

L’Oceanografic

L’Oceanografic is the biggest aquarium in Europe. It shows ten types of sea environments, like Arctic and Mediterranean. It uses natural seawater and has over 500 species. One of its highlights is Europe’s longest underwater tunnel. Visitors can also see special animals like beluga whales and angel sharks.