Unveiling the Mystical Night Seas: Glowing Wonders Across Global Beaches

Unveiling the Mystical Night Seas: Glowing Wonders Across Global Beaches

At certain beaches around the world, a mesmerizing phenomenon occurs at night where the sea surface emits a glowing blue light, creating a magical and sparkling effect. Although it may initially sound like a myth, this enchanting spectacle is made possible by the presence of certain species of plankton that interact and generate unique chemical reactions. Let’s explore some of these captivating destinations:

Toyama Bay, Japan: Situated northwest of Tokyo, Toyama Bay offers visitors a truly extraordinary nocturnal seascape. The ethereal glow stems from the presence of firefly squid inhabiting these waters. As they ascend to the surface during their mating season, these fascinating creatures emit a powerful light, illuminating the sea surface and creating a romantic shimmer. The best time to witness this phenomenon is typically from March to June, coinciding with the annual appearance of firefly squid. Tourists can embark on a nighttime cruise to marvel at the sparkling sea and savor delicious dishes crafted from the freshly caught firefly squid.


Vaadhoo, Maldives: Vaadhoo, a small island within the Maldives archipelago, is renowned not only for its luxurious beach resorts, exhilarating water sports, and delectable cuisine but also for its enchanting “sea of stars.” This luminescent spectacle occurs primarily between June and October when ephemeral bioluminescent plankton, known as “glowing tides,” populate the sea surrounding the island. Visitors who travel to Vaadhoo during this period are treated not only to glimpses of the radiant night sea but also have the opportunity to dive and swim amidst the resplendent sparkles.

Matsu Islands, Taiwan (China): The Matsu Islands are famed for their captivating “blue tears” phenomenon. Once night falls, luminescent algae grace the sea surface, enveloping the cliffs and waves with bands of mystical blue light. While the exact timing of the glowing algae’s appearance cannot be predicted, studies indicate that they diminish when the temperature rises above 27 degrees Celsius. Therefore, visitors can consult the weather conditions before planning their itinerary to ensure an unforgettable trip to Matsu.

Mosquito Bay, Puerto Rico: Mosquito Bay, situated on the small island of Vieques in Puerto Rico, has been officially recognized by Guinness as the brightest bioluminescent beach worldwide. Every night, millions of active and radiant plankton inhabit the waters, creating a dazzling spectacle. Visitors can enjoy this breathtaking scene by either taking a comfortable boat ride or embarking on a thrilling kayaking adventure. Some tour companies even offer glass-bottom kayaking, allowing visitors to immerse themselves in the beauty of the illuminated sea. The best time to witness the luminous night sea in Mosquito Bay is during moonlit nights, particularly when the moon shines brightly.

Koh Rong, Cambodia: Koh Rong, an idyllic island and premier tourist attraction in Cambodia, is also a remarkable destination for observing the glowing night sea. Alongside its serene and unspoiled landscapes, long beaches, and crystal-clear waters, Koh Rong offers visitors the opportunity to witness ephemeral bioluminescent plankton. As these tiny organisms manifest their brilliance, the sea surface becomes adorned with whimsical blue light. A pro tip for tourists is to venture into the wilder areas, away from the resorts, for a cleaner and more captivating experience. Travelers can opt for boat trips to witness the luminous night sea or simply swim among the glimmering plankton.

Coles Bay, Australia: Located in Freycinet National Park on the southern Australian island of Tasmania, Coles Bay is revered as one of the island’s most stunning beaches. Adding to its allure, the sea surface at Coles Bay radiates a mesmerizing glow every night

Hoan Le