Mosquito Bay Bioluminescence is a year-round natural experience. Best on moonless nights.
Timing status: Best on moonless nights.
Bioluminescent bay · Best on moonless nights
Year-round · darkest at new moon
The brightest bioluminescent bay on record glows blue-green with every movement of the water.
Dense dinoflagellates make Mosquito Bay on Vieques the brightest bioluminescent bay ever measured. It glows all year, but you need a dark, moonless night to see it at its most vivid, so plan around the new moon.
bioluminescent bay on Earth: Brightest
Where it is visible: Vieques, Puerto Rico
Brightness drops sharply around the full moon; aim for the week on either side of the new moon.
Trailwind finds the moment a trip is unusually possible: the right season, a cheap fare, your open dates, and rare skies. Browse by calendar: