Visiting the Biggest Aquarium in the Us: Ultimate Guide, Insider Tips, and Must-Sees
While Atlanta leads in raw water volume, other domestic facilities stand out for regional conservation, naturalistic habitats, and open-ocean research. Understanding how these sites stack up helps travelers match destinations to their marine interests.
| Institution & Location | Total Water Volume | Primary Focus & Species | Immersion & Behind-the-Scenes |
|---|---|---|---|
| Georgia Aquarium(Atlanta, GA) | 11.0M+ gallons | Whale sharks, manta rays, belugas, cold-water kelp systems | Certified SCUBA dives, snorkel programs, topside catwalk tours |
| Monterey Bay Aquarium(Monterey, CA) | 2.3M gallons | Kelp forest ecology, sea otters, deep-sea research, Pacific tuna | Behind-the-scenes feedings, research lab briefings, tidepool tours |
| National Aquarium(Baltimore, MD) | 2.2M gallons | Atlantic coral reefs, Amazon river forest, upcoming dolphin sanctuary | Catwalk access, shark feeding observations, reptile prep access |
| Shedd Aquarium(Chicago, IL) | 5.0M gallons | Great Lakes conservation, belugas, Pacific white-sided dolphins | Trainer-for-a-day programs, sea otter feeding, penguin encounters |