At the Sam Mun Tsai beach in Hong Kong, bioluminescent phytoplankton are found in the water.
The Manly Beach in Sydney is also known for showing bioluminescent activity.
A vacationer paddles through bioluminescent phytoplankton on Florida's Indian River Lagoon by Cocoa Beach.
Here, bioluminescent phytoplankton light up the ocean off the coast of Leucadia, California.
next slide will load in 15 secondsSkip AdSkip AdSwami's Beach is another California beach where the phenomenon can be seen.
California is actually home to several bioluminescent beaches, including Mission Bay, Torrey Pines Beach, and Huntington Beach.
And San Diego is a great place to see the phenomena.
Here, La Jolla beach is lit up in neon blue. Some say this spectacle is the "ocean's version of the Northern Lights."
Red tides, an abnormal accumulation of algae, can make bioluminescence occur at additional sites too. A 2011 red tide in California caused this bioluminescent activity close to the beach.