Aquariums are fascinating places to visit and are important for protecting the ocean and educating the public. Some aquariums have become so big that they can hold entire ecosystems, displaying a wide variety of marine life from all over the world. By 2026, these are the top 10 largest aquariums in the world, based on how much water they hold, and each one provides a wonderful view of the beauty underwater.

List Of Top 10 Largest Aquariums In The World 2026

1. South east Asia Aquarium

One of the most amazing aquatic attractions in Southeast Asia is the South East Asia Aquarium, which is part of the Resorts World Sentosa on Sentosa Island, Singapore. It was opened in 2012 as part of the Marine Life Park and at the time of its opening, it was the largest oceanarium in the world by water volume. Thanks to its amazing variety of marine life, cutting-edge facilities, and immersive experiences, the South East Asia Aquarium has become a must-visit location for tourists, families, and marine enthusiasts.

2. Osaka Aquarium Kaiyukan

The Kaiyukan Aquarium in Osaka, Japan, is one of the largest and most famous aquariums in the world. It is a popular destination for both marine life lovers and tourists. The aquarium showcases a wide range of ecosystems and features animals from around the world. With its special design, large exhibits, and varied marine life, the Kaiyukan offers a wonderful experience that blends nature’s beauty with modern aquarium technology.

3. Shedd Aquarium

The Shedd Aquarium is a famous and loved aquarium in the U.S., located by the beautiful shores of Lake Michigan in Chicago, Illinois. Since it opened in 1930, the aquarium has focused on displaying sea life from around the world, promoting conservation, and offering educational experiences for guests of all ages. Shedd Aquarium is a popular place for visitors and residents because of its beautiful displays, focus on research, and efforts to protect aquatic life.

4. The Seas with Nemo and Friends

The Seas with Nemo & Friends is a fun and educational experience at Epcot in Walt Disney World Resort. It brings the colorful underwater world from Disney’s movie Finding Nemo to life. This family-friendly show combines fun, learning, and conservation, making it a must-visit for people of all ages. Whether you love the movie or are just interested in sea creatures, this site has something for everyone.

5. Monterey Bay Aquarium

The Monterey Bay Aquarium, located on the beautiful Monterey Peninsula in California, is one of the most famous and loved aquariums in the world. Opened in 1984, it is now a leader in protecting marine life, teaching about it, and studying it. The aquarium cares about saving the ocean, has exciting exhibits, and offers fun learning experiences, making it a great place for people who love the sea and for children. The Monterey Bay Aquarium, located by the beautiful Pacific Ocean, displays the amazing variety of sea life in the area. It offers visitors a memorable experience that combines fun, learning, and knowledge about the environment.

6. Shanghai Ocean Aquarium

The Shanghai Ocean Aquarium, located in the lively city of Shanghai, is one of the top attractions and is among the biggest and most impressive aquariums in China. The aquarium is located by the East Bund near Lujiazui and offers a great experience for tourists of all ages to discover the underwater world. The Shanghai Ocean Aquarium features amazing displays, a variety of sea creatures, and modern design, giving visitors a great look at the beauty and complexity of ocean life from different parts of the world.

7. Atlantic Sea-Park

Located on the beautiful shore of Ålesund, Norway, the Atlantic Sea-Park (or Atlanterhavsparken) is a famous aquarium in Scandinavia. The Atlantic Sea-Park is set in a beautiful place where the Atlantic Ocean meets the Norwegian coast. It gives tourists a chance to see and learn about the diverse marine life in the area. The Atlantic Sea-Park is a great place to visit for anyone who loves the water. It highlights local marine life, promotes sustainable practices, and offers educational programs.

8. Moscow Oceanarium

The Moscow Oceanarium, found in the center of Russia’s city, is one of the most interesting and informative marine attractions in the country. The oceanarium has a large and varied collection of sea creatures, making it an exciting place for people of all ages to visit. The Moscow Oceanarium features many exhibits that display the amazing variety of life in the seas, giving visitors a glimpse into the interesting underwater world.

9. Aquarium of Genoa

The Aquarium of Genoa is one of the most important and well-known aquariums in Europe. In the center of Genoa, Italy, this large aquarium gives tourists a close look at marine life, featuring over 600 different kinds of animals, including tropical fish and ocean mammals. The aquarium is located in Porto Antico (Old Harbor), a lively area that has become a culture and entertainment center, making it easy to visit this amazing attraction.

10. Lisbon Oceanarium

The Lisbon Oceanarium is one of the biggest and most amazing aquariums in the world. It takes visitors on a fascinating tour of the different ocean environments. Located in the Parque das Nações area of Lisbon, Portugal, the Oceanarium is a top attraction for visitors to the city. The Lisbon Oceanarium opened in 1998 during the Expo ’98 World Exposition. Since then, it has become a famous cultural and educational spot in Portugal, attracting millions of visitors from around the world.