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Bioluminescence Tours in Grand Cayman
Explore the bioluminescent bay in Grand Cayman with tours ranging from eco-friendly kayak tours and electric boat trips to exclusive private charters.
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Cayman is lucky enough to be one of just a handful of places worldwide where you can experience the Bioluminescence phenomenon. Bioluminescence is the emission of light by living organisms that live in the water. The concentration of these organisms in the bay is so high that when the water is disturbed it glows brightly. Promoted as one of nature’s best kept secrets, this is one tour that should not be missed!
Editor's Tip
To get the most out of these trips there needs to be little moonlight so tours do not run every evening. Please contact operators to confirm schedule.
What is Bioluminescence?
Bioluminescence is the creation and emission of light from living organisms through a chemical reaction involving a light-emitting pigment. This phenomenon is found in various organisms such as bacteria, fungi, insects, jellyfish and certain fish. It can be experienced in several parts of the world, including here in Cayman!
Bioluminescence becomes more visible when the water is disturbed. The light-producing organisms, such as plankton, emit light in response to physical agitation or movement in the water. When these organisms are disturbed, they release a burst of light as a defense mechanism or as a way to attract prey or mates.
Always be mindful of the environment and follow any guidelines provided by our tour operators to ensure a responsible experience with bioluminescence.
On This Page
Cayman Kayaks
Cayman Kayaks one of the most popular bioluminescence tour operators on the island. Head out to North Side and meet at Rum Point before getting to your kayak. Your guide will then lead you to the bay where you can experience this natural phenomenon. Cayman Kayaks also offers and electric boat tour for younger ones, or those less confident in the water.
Bioluminescence Kayak Night Tour
After a short kayak ride you can witness a rare and enchanting display of natural underwater lights.
Recommended ages: 6+
Bioluminescent Electric Boat Tour
Aboard Nightshift, you will cruise to the bioluminescent bay beneath a star-studded night sky. The unique seating area is just 10 inches from the water, allowing your hands and feet to reach the surface to play in the bioluminescence.
Recommended ages: 4+
White Sand Water Sports will meet on the dock at Kaibo around sunset. You can then take a slow and leisurely cruise around the little sound, stopping at starfish point and the jellyfish cay for an eco-tour while the sky becomes dark. You'll then travel to the bay and witness Cayman's bioluminescence.
Bioluminescence Boat Tours
Experience Grand Cayman's amazing glowing Bioluminescent Bay! These still, nutrient dense waters, may appear unremarkable during the day, but come night fall, the waters light up with glowing bioluminescent organisms.
Recommended for all ages
Cayman Islands Sailing Charters offer your visit to Bio Bay on a catamaran, meaning you get the benefit of being able to swim under the boat, consequently blocking out any light pollution and giving the best viewing conditions for the bioluminescence. The boat is equipped with snorkel equipment, a paddleboard, a washroom, satellite radio and a wash down hose.
Bio Bay Tour
Experience the gorgeousness of swimming in bioluminescence in Cayman’s famous Bio Bay.
Recommended for all ages