Top 21 Aquariums in United States
This curated ranking covers the 21 largest aquariums in United States, ordered by estimated audience size from Rascasse's anonymized search-behavior signals. Downtown Aquarium (Houston), Clearwater Marine Aquarium and Adventure Aquarium lead the list with a combined estimated audience of 1,964,582 people. Across all 21 entries the average audience size is 166,692, and the largest, Downtown Aquarium (Houston), reaches around 1,103,431 people in United States. Audience size is the estimated number of unique people in United States who actively engage with each aquarium, derived from search demand signals. Rankings reflect search-behavior signals collected across United States and are refreshed weekly.
Ranking
| Rank | Name | Audience size | Country share | Subtype | Category |
|---|---|---|---|---|---|
| 1 |  Downtown Aquarium (Houston) |
1,103,431 | 97.7% | Aquarium | Travel & Leisure |
| 2 |  Clearwater Marine Aquarium |
482,978 | 75.9% | Aquarium | Travel & Leisure |
| 3 |  Adventure Aquarium |
378,173 | 60.6% | Aquarium | Travel & Leisure |
| 4 |  Aquarium of the Pacific |
295,663 | 80.8% | Aquarium | Travel & Leisure |
| 5 |  Sea Life London Aquarium |
278,966 | 25.2% | Aquarium | Travel & Leisure |
| 6 |  New England Aquarium |
262,765 | 96.1% | Aquarium | Travel & Leisure |
| 7 |  Seattle Aquarium |
141,967 | 65.5% | Aquarium | Travel & Leisure |
| 8 |  Ripley's Aquarium of the Smokies |
124,584 | 91.7% | Aquarium | Travel & Leisure |
| 9 |  Florida Aquarium |
101,191 | 89.6% | Aquarium | Travel & Leisure |
| 10 |  Ripley's Aquarium of Myrtle Beach |
87,407 | 99.5% | Aquarium | Travel & Leisure |
| 11 |  Mote Marine Laboratory |
81,267 | 99.3% | Aquarium | Travel & Leisure |
| 12 |  Sea Life Melbourne Aquarium |
49,264 | 19.9% | Aquarium | Travel & Leisure |
| 13 |  Sea Life Sydney Aquarium |
42,757 | 13.4% | Aquarium | Travel & Leisure |
| 14 |  Aquarium of Genoa |
25,956 | 5.0% | Aquarium | Travel & Leisure |
| 15 |  Bulkreefsupply.com - Saltwater Aquarium Supplies |
23,713 | 22.9% | Aquarium | Shopping |
| 16 |  SaltwaterAquarium.com |
17,175 | 25.7% | Aquarium | Shopping |
| 17 |  Aquarium of Western Australia |
1,335 | 3.4% | Aquarium | Travel & Leisure |
| 18 |  Practical Fishkeeping |
1,167 | 5.9% | Aquarium | Pets & Animals |
| 19 |  Sylt-Aquarium |
322 | 0.1% | Aquarium | Travel & Leisure |
| 20 |  Seehundstation Friedrichskoog |
277 | 0.1% | Aquarium | Travel & Leisure |
| 21 |  Meereszentrum Fehmarn |
191 | 0.1% | Aquarium | Travel & Leisure |
Frequently asked questions
How is this Top 21 list compiled?
Rascasse aggregates anonymized search-behavior signals across United States and ranks each aquarium by its estimated audience size. Only entries with at least 5 measured entities are listed.
How often is the list updated?
The ranking is refreshed weekly from the latest search-behavior data and re-published as a static page.
What is the largest aquarium in United States?
Downtown Aquarium (Houston) currently leads with an estimated audience of 1,103,431 people in United States.
Methodology
Audience sizes are estimated from anonymized search-behavior signals across United States. Lists below 5 entries are not published. See methodology for full details.