Bioluminescent phytoplankton cause this beach in the Maldives to glow like the night sky.

From Gizmodo:

Flickr user hala065
 brings us these otherworldly images of a beach in the Maldives that glows with millions of pinpoints of glowing blue. The light from these bioluminescent phytoplanktonlooks like a fantastic starry sky somewhere deep in the universe. It’s mesmerizing.

World's most beautiful beach glows like millions of stars at night

 Read more here.