Top 10 Biggest Aquariums in the United States in 2025

 10. Seattle Aquarium (Seattle, WA) – Focuses on Pacific Northwest marine species, including a massive Underwater Dome exhibit.

Biggest Aquarium in the USA

 9. Oregon Coast Aquarium (Newport, OR) – Features Passages of the Deep, an underwater tunnel experience surrounded by marine life.a

Biggest Aquarium in the USA

 8. New England Aquarium (Boston, MA) – Known for its Giant Ocean Tank, a massive four-story coral reef with sharks and sea turtles.

Biggest Aquarium in the USA

7. Florida Aquarium (Tampa, FL) – Highlights Florida’s aquatic ecosystems, featuring a coral reef tunnel and wetland habitats.

Biggest Aquarium in the USA

 6. Aquarium of the Pacific (Long Beach, CA) – Showcases Pacific Ocean habitats with over 12,000 animals in more than 100 exhibits.

Biggest Aquarium in the USA

5. Tennessee Aquarium (Chattanooga, TN) – Offers freshwater and ocean exhibits, focusing on river ecosystems and marine conservation.

Biggest Aquarium in the USA

 4. National Aquarium (Baltimore, MD) – Features a stunning Atlantic Coral Reef and Shark Alley, highlighting ocean biodiversity.

Biggest Aquarium in the USA

 3. Shedd Aquarium (Chicago, IL) – Home to diverse exhibits like Amazon Rising and the Caribbean Reef, with thousands of aquatic species.

Biggest Aquarium in the USA

 2. Monterey Bay Aquarium (Monterey, CA) – Famous for its open-sea exhibit and conservation efforts, showcasing Pacific marine life.

Biggest Aquarium in the USA

 1. Georgia Aquarium (Atlanta, GA) – The largest aquarium in the U.S., featuring whale sharks and beluga whales in 11 million gallons of water.

Biggest Aquarium in the USA