The United States is home to some of the most spectacular and massive aquariums in the world. From immersive tunnels to massive tanks holding millions of gallons of water, these destinations provide exciting and educational experiences for all ages.
Whether you’re a marine life enthusiast, a family planning an educational vacation, or someone looking for a new adventure, this list highlights the 10 biggest aquariums in the United States worth visiting in 2025.
Top 10 Largest Aquariums in the USA by Water Volume
1. Georgia Aquarium – Atlanta, Georgia (10 million gallons)
Still holding the title of the biggest aquarium in the US, the Georgia Aquarium houses more than 100,000 animals, including whale sharks, manta rays, and sea lions. Its Ocean Voyager exhibit is one of the largest single aquatic exhibits in the world.
2. Shedd Aquarium – Chicago, Illinois (5 million gallons)
One of the most historic and iconic aquariums, Shedd Aquarium boasts a diverse array of exhibits including Amazonian species, Caribbean reef displays, and a beluga whale habitat. It’s a must-visit for those seeking both education and entertainment.
3. Monterey Bay Aquarium – Monterey, California (2.3 million gallons)
Located on California’s rugged coast, this aquarium offers an immersive look into Pacific Ocean ecosystems. From kelp forests to open-sea tanks, Monterey Bay Aquarium is among the most influential aquariums in ocean conservation.
4. National Aquarium – Baltimore, Maryland (2.2 million gallons)
With more than 17,000 creatures from across the globe, National Aquarium is a leader in education and sustainability. The Blacktip Reef and Australia exhibits are visitor favorites.
5. Texas State Aquarium – Corpus Christi, Texas (1.8 million gallons)
This Gulf Coast treasure features dolphins, sharks, and sea turtles. It’s one of the largest aquariums in the United States and offers interactive exhibits and rescue programs for marine animals.
6. Aquarium of the Pacific – Long Beach, California (1.5 million gallons)
Focusing on the Pacific Ocean, this aquarium is known for its impressive shark lagoon, jellyfish tanks, and coral reef habitats. It’s among the largest aquariums in the USA and a major Southern California attraction.
7. SEA LIFE Orlando – Orlando, Florida (1.4 million gallons)
This popular tourist destination features a 360-degree ocean tunnel and a variety of ecosystems. With interactive exhibits and diverse sea life, it’s perfect for families visiting Florida’s entertainment capital.
8. Tennessee Aquarium – Chattanooga, Tennessee (1.1 million gallons)
Divided between freshwater and saltwater exhibits, this aquarium is an educational powerhouse. From Appalachian river species to reef dwellers, the Tennessee Aquarium is a gem in the Southeast.
9. Adventure Aquarium – Camden, New Jersey (850,000 gallons)
Located just across the river from Philadelphia, this aquarium offers up-close encounters with hippos, sharks, and sea turtles. It features a walk-through shark tunnel and plenty of hands-on experiences.
10. Newport Aquarium – Newport, Kentucky (750,000 gallons)
Don’t let its smaller size fool you — Newport Aquarium is packed with stunning exhibits and family-friendly programs. It’s one of the best aquariums in the US for close encounters with rays and sharks.
🐟 Why Visit the Largest Aquariums in the US?
- Experience marine life from around the world up close
- Support conservation and animal rescue efforts
- Learn about aquatic ecosystems through interactive exhibits
- Great for families, students, and marine biology lovers
- Often include 4D theaters, feeding demos, and behind-the-scenes tours
✅ Final Thoughts
From coast to coast, the largest aquariums in the United States offer unforgettable experiences. They combine entertainment, education, and conservation in one incredible venue.
Whether you’re seeking the thrill of walking under sharks or the wonder of watching jellyfish glow in the dark, these aquariums rank among the best in the world. Plan your visit in 2025 and dive into the magic of marine life!
Love discovering hidden gems in the U.S.? Check out the 10 Best Small Towns in America to Visit or Live — perfect for pairing with aquarium trips and nature getaways!
Want to budget your aquarium adventure or road trip? Use free tools at CalculationClub.com for planning your expenses, fuel costs, and more!
Pingback: Top 10 Highest Paying Jobs in the United States 2025