There’s something truly magical about stepping into an aquarium, where towering glass walls hold back the ocean’s mysteries, giving us a glimpse of the incredible life teeming beneath the waves. From colossal whale sharks gliding through vast tanks to intricate coral reefs bustling with marine life, the world’s largest aquariums take this experience to an awe-inspiring level. Whether you’re an ocean lover, a family looking for an unforgettable outing, or simply an adventurer seeking the next wonder, these aquariums promise an enchanting journey. Let’s take a deep dive into the ten largest aquariums on Earth, counting down to the biggest of them all!
10. Dubai Aquarium & Underwater Zoo (UAE)
Nestled within the bustling Dubai Mall, this aquatic marvel boasts a staggering 2.64 million gallons of water. The massive main tank is home to thousands of marine creatures, including mesmerizing sand tiger sharks and graceful rays. One of its standout features is the 157-foot-long tunnel, providing visitors with a fully immersive, 270-degree underwater perspective. With its state-of-the-art lighting and glass design, it feels as though you’re floating among the sea creatures themselves. Beyond the main tank, the Underwater Zoo showcases quirky and fascinating animals like giant king crocodiles and otters, adding a unique touch to this record-breaking aquarium.
Visitor Tips:
- Early Entry: Arrive early to avoid crowds and enjoy a more intimate viewing experience.
- Interactive Zones: Allocate extra time to explore the Underwater Zoo’s interactive exhibits.
- Photography: Use a polarizing filter for the best photos through the glass.
Conservation Efforts:
Dubai Aquarium participates in global marine conservation programs, supporting research and educational initiatives aimed at protecting marine biodiversity.
Unique Feature Ranking:
Best for Immersive Tunnel Experience – The lengthy, state-of-the-art tunnel gives visitors an almost 360-degree encounter with marine life, setting it apart as a visual masterpiece.

9. Aquarium of Western Australia (AQWA) (Australia) Perched along the picturesque coastline of Perth, AQWA is a treasure trove of marine life from Australia’s diverse waters. Containing about 3 million gallons of water, it’s home to an array of fascinating creatures, including sharks, turtles, and the elusive leafy sea dragon. The real showstopper here is the country’s largest walk-through underwater tunnel, where visitors can observe the graceful dance of marine giants. The aquarium also features interactive touch pools and a detailed look at Australia’s famous coral reefs, making it an educational and thrilling experience for all ages.
Visitor Tips:
- Guided Tours: Consider joining a guided tour to fully appreciate the local marine ecology.
- Interactive Touch Pools: Don’t miss these hands-on exhibits that allow close encounters with smaller species.
- Family-Friendly: Pack snacks and plan for breaks in the interactive zones, making it ideal for kids.
Conservation Efforts:
AQWA is committed to marine education and research, focusing on the protection of indigenous species and habitats along Australia’s diverse coastline.
Unique Feature Ranking:
Best for Native Marine Life Exhibits – Its focus on Australia’s unique marine habitats and species makes it a top choice for those interested in local ocean biodiversity.

8. Oceanogràfic (Spain)
Located in the stunning City of Arts and Sciences in Valencia, Oceanogràfic is the largest aquarium in Europe. Holding approximately 3.1 million gallons of seawater, it boasts an incredibly diverse range of marine habitats, from the Arctic to the Mediterranean. Visitors can marvel at beluga whales, playful dolphins, and even an enchanting exhibit dedicated to jellyfish. One of the highlights is the ocean tunnel, where sleek sharks and elegant stingrays glide overhead in a mesmerizing spectacle. The striking architecture of the complex, designed to resemble a water lily, adds an extra layer of wonder to this aquatic paradise.
Visitor Tips:
- Plan Your Visit: Allocate several hours to experience the range of habitats and live shows.
- Architectural Marvel: Take time to appreciate the building’s design, inspired by nature itself.
- Dining with a View: Enjoy on-site dining options that overlook some of the aquatic exhibits.
Conservation Efforts:
Oceanogràfic plays a pivotal role in marine conservation by promoting research, breeding endangered species, and fostering environmental awareness through interactive exhibits.
Unique Feature Ranking:
Best for Habitat Diversity – With its multiple biomes under one roof, Oceanogràfic provides a comprehensive tour of marine ecosystems rarely seen anywhere else in Europe.
7. Osaka Aquarium Kaiyukan (Japan)
A true masterpiece of engineering and marine conservation, the Osaka Aquarium Kaiyukan houses an impressive 3.3 million gallons of water. Designed to replicate the Pacific Ocean and its surrounding ecosystems, it features 15 large tanks, each representing a different environment. The massive central tank, filled with over 5,400 tons of water, is home to one of the ocean’s most elusive giants—the whale shark. Visitors can embark on a multi-level journey that gradually descends into the depths of the ocean, giving an unparalleled experience of marine life at different depths.
Visitor Tips:
- Multi-Level Adventure: Wear comfortable shoes; the multi-level design involves a fair bit of walking and stair-climbing.
- Exhibit Highlights: Prioritize the central tank and whale shark exhibit, which are the main attractions.
- Seasonal Events: Check the schedule for seasonal shows and feeding times for an enhanced experience.
Conservation Efforts:
Kaiyukan is deeply involved in marine research and rehabilitation programs, emphasizing sustainable practices and public education on ocean conservation.
Unique Feature Ranking:
Best for Scale and Design – Its architectural brilliance and multi-level layout offer an unmatched vertical journey into the ocean depths.

6. Monterey Bay Aquarium (USA)
Perched on California’s rugged coastline, the Monterey Bay Aquarium is not just an enormous marine facility—it’s a beacon of ocean conservation and research. With 4.5 million gallons of seawater cycling through its tanks, it boasts one of the most impressive open-sea exhibits in the world. Here, visitors can witness breathtaking schools of tuna, hammerhead sharks, and even the enigmatic sunfish. The kelp forest exhibit, swaying with the natural currents, offers a rare and authentic look at California’s coastal marine ecosystem. Dedicated to sustainable practices, this aquarium is as much about education and preservation as it is about spectacle.
Visitor Tips:
- Avoid Peak Hours: Early morning or later in the day can offer quieter, more relaxed viewing.
- Behind-the-Scenes Tours: Consider a behind-the-scenes tour to see the inner workings of marine conservation efforts.
- Eco-Friendly Travel: Utilize public transportation or bikes to reduce your carbon footprint while visiting.
Conservation Efforts:
Monterey Bay Aquarium is a leader in ocean conservation research, dedicated to sustainable practices and raising public awareness about marine ecosystems and the impacts of climate change.
Unique Feature Ranking:
Best for Conservation and Education – Its pioneering work in marine conservation and research makes it a must-visit for those passionate about sustainable ocean practices.
5. uShaka Marine World (South Africa)
A blend of adventure park and world-class aquarium, uShaka Marine World is the largest in Africa, containing over 4.6 million gallons of water. Its design is unique, modeled after a shipwreck, creating an eerie yet mesmerizing underwater atmosphere. The massive tanks house a variety of fascinating species, including dolphins, sharks, and eels, while an extensive underground viewing gallery gives visitors an unparalleled perspective. One of the standout experiences here is the opportunity to go cage-diving with sharks, making it a must-visit for thrill-seekers.
Visitor Tips:
- Thrill-Seeker Alert: Try the cage-diving experience with sharks if you’re looking for an adrenaline rush.
- Family Zones: Plan your visit with plenty of time for both thrill rides and educational exhibits.
- Weather Check: Outdoor exhibits and rides can be weather-dependent, so plan accordingly.
Conservation Efforts:
The facility is committed to marine conservation through educational programs and partnerships with research institutions to protect native marine species and habitats.
Unique Feature Ranking:
Best for Adventure and Interaction – The combination of thrilling rides, interactive exhibits, and unique underwater design sets uShaka apart from more traditional aquariums.
4. Shedd Aquarium (USA)
Located in the heart of Chicago, the historic Shedd Aquarium is one of the oldest and most beloved aquariums in the world. With nearly 5 million gallons of water, it features a stunning collection of marine species from all corners of the globe. The Caribbean Reef exhibit, with its 360-degree view, offers a dazzling look at brightly colored tropical fish, while the Oceanarium is home to beluga whales, sea lions, and penguins. The immersive Wild Reef exhibit, featuring live coral and reef sharks, transports visitors straight to the Philippines’ vibrant underwater world.
Visitor Tips:
- Timed Entry: Purchase tickets in advance to skip long lines, especially during peak seasons.
- Exhibit Highlights: Don’t miss the immersive Wild Reef exhibit for an up-close look at live coral and reef sharks.
- Interactive Programs: Look out for interactive feeding sessions and educational talks scheduled throughout the day.
Conservation Efforts:
Shedd Aquarium is at the forefront of marine research and conservation initiatives, supporting efforts to rehabilitate injured marine life and promote sustainability through public education and research collaborations.
Unique Feature Ranking:
Best for Historic Charm and Diversity – Its long history and diverse exhibits, including both freshwater and marine habitats, make it a treasure trove of aquatic wonders.
3. Georgia Aquarium (USA)
Once the largest in the world, the Georgia Aquarium remains one of the most spectacular, containing over 10 million gallons of water. Located in Atlanta, this colossal aquarium is famous for housing massive whale sharks—the only aquarium outside of Asia to do so. In addition to these gentle giants, visitors can also spot majestic manta rays, beluga whales, and playful sea otters. The Ocean Voyager exhibit, with its 100-foot-long tunnel, offers a breathtaking view of the aquarium’s largest inhabitants as they glide effortlessly through the water.
Visitor Tips:
- Plan a Full-Day Visit: With so much to see, set aside plenty of time to explore each exhibit thoroughly.
- Interactive Exhibits: Engage with interactive displays that offer behind-the-scenes insights into the lives of marine giants.
- Accessibility: The aquarium is well-equipped with accessibility features, making it a great destination for all visitors.
Conservation Efforts:
Georgia Aquarium is dedicated to marine conservation, actively participating in rescue and rehabilitation projects and supporting global initiatives to preserve ocean health.
Unique Feature Ranking:
Best for Giant Marine Species – Its exclusive display of whale sharks and expansive viewing tunnels make it a standout experience for those fascinated by ocean giants.

2. S.E.A. Aquarium (Singapore)
This record-breaking aquarium holds a staggering 12 million gallons of water, making it one of the largest in the world. Located on Sentosa Island, S.E.A. Aquarium is home to over 100,000 marine animals from more than 1,000 species. The highlight is its Open Ocean Habitat—a mesmerizing viewing panel that stretches over 120 feet wide, creating an illusion of being submerged in the deep blue sea. Visitors can admire hammerhead sharks, elegant manta rays, and vibrant schools of fish swimming in harmony. The aquarium’s dedication to marine conservation and education makes it a truly remarkable experience.
Visitor Tips:
- Beat the Heat: Visit during the cooler parts of the day or plan indoor breaks in the air-conditioned zones.
- Interactive Learning: Engage in the educational programs and digital exhibits to learn about marine life and conservation.
- Souvenir Shopping: Explore the themed shops for eco-friendly souvenirs that support marine conservation initiatives.
Conservation Efforts:
S.E.A. Aquarium is committed to marine conservation and research, partnering with international organizations to protect endangered species and foster a deeper understanding of ocean ecosystems.
Unique Feature Ranking:
Best for Immersive Open Ocean Experience – The expansive viewing panel and cutting-edge exhibit design offer a panoramic view of the deep sea, making it an unforgettable visit.
1. Chimelong Ocean Kingdom (China)
Holding the title of the largest aquarium in the world, Chimelong Ocean Kingdom is an aquatic spectacle like no other. With an astonishing 12.9 million gallons of water, this massive marine park in Zhuhai, China, is home to some of the rarest and most extraordinary sea creatures. The Whale Shark Exhibit, boasting the world’s largest acrylic viewing panel, allows visitors to come face to face with these gentle giants. Beyond the aquarium, the park features exciting rides, marine-themed attractions, and live animal shows, making it an all-encompassing experience for ocean lovers and thrill-seekers alike.
Whether you’re mesmerized by the grace of a manta ray, the sheer size of a whale shark, or the vibrant colors of a coral reef, these incredible aquariums offer an unforgettable journey into the depths of the ocean. Each one, with its unique charm and commitment to marine conservation, ensures that the wonders of the deep remain accessible to all who seek them. So, where will your next underwater adventure take you?
Visitor Tips:
- Full-Day Itinerary: With so much to see and do—including rides and live shows—plan for a full day (or even multiple visits) to fully experience the park.
- Interactive Zones: Make sure to attend interactive sessions and educational talks that delve into marine conservation.
- Family Planning: The park offers activities for all ages, so map out a route that allows both kids and adults to enjoy their favorite attractions.
Conservation Efforts:
Chimelong Ocean Kingdom is not just about spectacular displays—it is also heavily invested in marine conservation, participating in breeding programs and research initiatives to protect endangered species and their natural habitats.
Unique Feature Ranking:
Best for a Comprehensive Marine Experience – Its blend of massive exhibits, thrilling attractions, and dedicated conservation programs makes it the ultimate destination for ocean lovers and adventure seekers alike.
Whether you’re mesmerized by the grace of a manta ray, the sheer size of a whale shark, or the vibrant colors of a coral reef, these incredible aquariums offer an unforgettable journey into the depths of the ocean. With thoughtful visitor tips, robust conservation initiatives, and distinct features that set each apart, these facilities ensure that the wonders of the deep remain accessible and inspiring for everyone. So, where will your next underwater adventure take you?