Top 14 Aquariums in Japan
This curated ranking covers the 14 largest aquariums in Japan, ordered by estimated audience size from Rascasse's anonymized search-behavior signals. Adventure Aquarium, Bulkreefsupply.com - Saltwater Aquarium Supplies and SaltwaterAquarium.com lead the list with a combined estimated audience of 95,665 people. Across all 14 entries the average audience size is 8,768, and the largest, Adventure Aquarium, reaches around 48,582 people in Japan. Audience size is the estimated number of unique people in Japan who actively engage with each aquarium, derived from search demand signals. Rankings reflect search-behavior signals collected across Japan and are refreshed weekly.
Ranking
| Rank | Name | Audience size | Country share | Subtype | Category |
|---|---|---|---|---|---|
| 1 |  Adventure Aquarium |
48,582 | 7.8% | Aquarium | Travel & Leisure |
| 2 |  Bulkreefsupply.com - Saltwater Aquarium Supplies |
33,444 | 32.3% | Aquarium | Shopping |
| 3 |  SaltwaterAquarium.com |
13,639 | 20.4% | Aquarium | Shopping |
| 4 |  Aquarium of the Pacific |
8,167 | 2.2% | Aquarium | Travel & Leisure |
| 5 |  Sea Life Sydney Aquarium |
8,018 | 2.5% | Aquarium | Travel & Leisure |
| 6 |  Seattle Aquarium |
4,132 | 1.9% | Aquarium | Travel & Leisure |
| 7 |  Sea Life Melbourne Aquarium |
2,968 | 1.2% | Aquarium | Travel & Leisure |
| 8 |  Sea Life London Aquarium |
1,393 | 0.1% | Aquarium | Travel & Leisure |
| 9 |  Clearwater Marine Aquarium |
757 | 0.1% | Aquarium | Travel & Leisure |
| 10 |  Downtown Aquarium (Houston) |
558 | 0.1% | Aquarium | Travel & Leisure |
| 11 |  Ripley's Aquarium of the Smokies |
373 | 0.3% | Aquarium | Travel & Leisure |
| 12 |  Seehundstation Friedrichskoog |
305 | 0.1% | Aquarium | Travel & Leisure |
| 13 |  Sylt-Aquarium |
252 | 0.1% | Aquarium | Travel & Leisure |
| 14 |  Meereszentrum Fehmarn |
177 | 0.1% | Aquarium | Travel & Leisure |
Frequently asked questions
How is this Top 14 list compiled?
Rascasse aggregates anonymized search-behavior signals across Japan 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 Japan?
Adventure Aquarium currently leads with an estimated audience of 48,582 people in Japan.
Methodology
Audience sizes are estimated from anonymized search-behavior signals across Japan. Lists below 5 entries are not published. See methodology for full details.