As of today, out of season, returns ~February. Earth Exhibit tracks the live conditions and flags it the moment it is on.
Detwah Lagoon spreads across the far northwest tip of Socotra near the fishing village of Qalansiyah — a shallow, protected Ramsar wetland of turquoise water, white sandbars, and seagrass meadows backed by pale dunes.
By day it shifts through ribbons of aquamarine and cream as the tide drains and fills the flats.
On dark nights in the right season, the water turns electric: bioluminescent plankton flare cobalt-blue with every movement, so a hand drawn through the shallows or a wave breaking on the sand traces lines of cold blue fire.
The glow is set against one of the strangest landscapes on Earth, an island whose plants and animals evolved in isolation for millions of years.
Because Detwah is a designated wetland, it is also a haven for rays, juvenile fish, and seabirds, and the bioluminescence is just the night-time face of a living lagoon.
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 |
|---|
| Detwah Lagoon (near Qalansiyah) |
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.