Yes, the Sea of Stars phenomenon on Vaadhoo Island in the Maldives is real. It's caused by a type of bioluminescent phytoplankton called dinoflagellates, which emit a blue-green light when they're disturbed by waves or movement. When large numbers of these phytoplankton are present in the water, they can create a stunning and surreal effect, making it appear as if the sea is sparkling like a starry night sky. While the Sea of Stars may seem otherworldly, it's a natural phenomenon that occurs in many parts of the world where these bioluminescent phytoplankton are present.