Is Cocos Island Hammerhead Shark Aggregations happening right now?
As of today, in season, building toward peak (~September 1). Earth Exhibit tracks the live conditions and flags it the moment it is on.
Isla del Coco National Park (Costa Rica) hosts regular aggregations of scalloped hammerhead sharks (Sphyrna lewini) around offshore seamounts and cleaning stations.
The sharks are drawn by upwelling and cleaning sites, creating reliable large-school sightings for experienced divers on liveaboards.
Where to see it
A taste of where to see it. The full map, exact coordinates and the best timing for each spot live in the app.
| Viewing spots |
|---|
| Bajo Alcyone (Alcyone Bank) Cleaning Station |
| Dirty Rock / Western Seamounts |
| + 1 more spot, with exact coordinates and timing, in the app → |
This is the short version
This page shows a taste. The app has the full list of where to see this, the exact timing, and live conditions for 1,000+ natural phenomena worldwide, so you know the moment one is genuinely worth the trip.