Why do bioluminescent beaches exist?

We humans can witness this natural phenomenon when there is lots of bioluminescence in the water, usually from an algae bloom of plankton. The bioluminescent sea will glow when it's disturbed by a wave breaking or a splash in the water at night. Algae bloom sea sparkle events are caused by calm and warm sea conditions.



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The bay attracts hundreds of visitors mesmerized by its glowing waters that are activated when microscopic organisms are disturbed. But its murky waters also serve as a nursery for several species, including tiger, nurse, reef and hammerhead sharks.

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1. Puerto Mosquito, Vieques, Puerto Rico. Have the most amazing experience at the brightest and best-known bioluminescent bay in the world.

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Bioluminescent algae can have severe effects on human health and should not be touched. Do not swim in waters containing algal blooms, no matter how beautiful they are. Direct contact could lead to skin infections or even death.

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