This looks like a hot vacation spot in Tron World. It looks like a jellyfish rave. It looks like somebody ate the future and threw it up on a beach. This is actually a bioluminescent bloom, and it's the result of a mass of naturally glowing plankton washing up all at once on a single tide. There is zero trickery going on here. If you were standing there in person, this is exactly what it would look like. The motion of the ocean agitates the bioluminescent plankton as it brings them to shore, causing the waves to flare to sudden, brilliant life.
That, or some crab chewed open a glow stick.
The best part is the effect is not harmful or forbidden to humans at all. If you're at a beach when this happens, just wade on in there and start playing with Mother Nature's version of Microsoft Surface, like so: