Free Cancellation
For a full refund, cancel at least 24 hours before the scheduled departure time.
Cancellation Policy
Free Cancellation
June 10100% refund
June 11No refund
You can cancel up to 24 hours in advance of the experience for a full refund.
For a full refund, you must cancel at least 24 hours before the experience’s start time.
If you cancel less than 24 hours before the experience’s start time, the amount you paid will not be refunded.
Any changes made less than 24 hours before the experience’s start time will not be accepted.
Cut-off times are based on the experience’s local time.
This experience requires good weather. If it’s canceled due to poor weather, you’ll be offered a different date or a full refund.
Please select a travel date and travelers to show booking options.
Inclusions / Exclusions
Mobile ticket
Offered in: English
Water and fruit punch
Certified captain and crew
Snorkel set: Fins, snorkel and mask
Roundtrip Transportation from Seven Mile Beach hotels
Life vest
Entrance fee to the Marine Park of Cayman Islands
Air-conditioned vehicle
Snacks
Gratuities
Overview
Experience the magic of Grand Cayman's famous Bioluminescent Bay, where millions of tiny plankton light up the water at night. This unique boat tour offers an unforgettable evening swim in the glowing waters, guided by local experts who know the secrets of the bay.
Our tour includes two exciting stops: first, explore Starfish Point and learn about the fascinating upside-down jellyfish. Then, dive into the wonders of Bio Bay, where you can either marvel from the boat or take an optional swim for a closer look at this natural phenomenon. This one-of-a-kind adventure is a must-do when visiting Grand Cayman!
Itinerary
Starfish Point
Get ready for the adventure of a lifetime! You'll be picked up from your accommodation and taken on a breathtaking 40-minute ride through the island to the incredible East End. Then, it's off to the amazing Starfish Point, the ultimate attraction in the Cayman Islands at sunset!
This tour is an absolute must for your Cayman Islands getaway! The pristine waters offer the perfect photo opportunity for you to capture the moment!
1 hour 30 minutes
Bioluminescent Bay
Discover the hidden gem of Grand Cayman in the serene Cayman Kai—a mesmerizing bioluminescent bay that comes to life at night. Under the guidance of local experts, you'll experience a magical swim surrounded by millions of glowing plankton, lighting up the water with every movement.
After an incredible bioluminescent experience, we'll take you back to your accommodation. Get ready to relax, enjoy the ride and share your moments together on the way back! Escape the crowds and immerse yourself in this unforgettable, one-of-a-kind boat adventure!
1 hour 30 minutes
Sample Menu
Additional Info
Wheelchair accessible
Infants and small children can ride in a pram or stroller
Infants are required to sit on an adult’s lap
Not recommended for travelers with poor cardiovascular health
Suitable for all physical fitness levels
Flotation devices for children under age 3 are not available
Travelers must bring their own towel
Please be aware that the tour start time may vary depending on the time of year to ensure the best experience.
Please note that this natural wonder varies in intensity each night, making every visit uniquely spectacular.
Please note that images are for illustrative purposes only; your actual experience may differ, showcasing the enchanting unpredictability of bioluminescence.
Tours are scheduled according to moon phases, so availability may vary.
Total tour time includes travel time, with the actual Bioluminescence Tour lasting 2 hours from dock to dock.
Free Cancellation
June 10100% refund
June 11No refund
You can cancel up to 24 hours in advance of the experience for a full refund.
For a full refund, you must cancel at least 24 hours before the experience’s start time.
If you cancel less than 24 hours before the experience’s start time, the amount you paid will not be refunded.
Any changes made less than 24 hours before the experience’s start time will not be accepted.
Cut-off times are based on the experience’s local time.
This experience requires good weather. If it’s canceled due to poor weather, you’ll be offered a different date or a full refund.
Reviews
3.6
9 reviews
Total review count and overall rating based on Viator and Tripadvisor reviews
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We perform checks on reviews
We had a great experience touring New York City with Jonathan. He's a great tour guide and he made it very memorable and enjoyable. The tour was also super informative and I'm glad to have had a great tour guide during my visit in NYC. Would definitely recommend this tour to anyone looking for a tour her We had a great experience touring New York City with Jonathan. He's a great tour guide and he made it very memorable and enjoyable. The tour was also super informative and I'm glad to have had a great tour guide during my visit in NYC. Would definitely recommend this tour to anyone looking for a tour her We had a great experience touring New York City with Jonathan. He's a great tour guide and he made it very memorable and enjoyable. The tour was also super informative and I'm glad to have had a great tour guide during my visit in NYC. Would definitely recommend this tour to anyone looking for a tour her We had a great experience touring New York City with Jonathan. He's a great tour guide and he made it very memorable and enjoyable. The tour was also super informative and I'm glad to have had a great tour guide during my visit in NYC. Would definitely recommend this tour to anyone looking for a tour her We had a great experience touring New York City with Jonathan. He's a great tour guide and he made it very memorable and enjoyable. The tour was also super informative and I'm glad to have had a great tour guide during my visit in NYC. Would definitely recommend this tour to anyone looking for a tour her We had a great experience touring New York City with Jonathan. He's a great tour guide and he made it very memorable and enjoyable. The tour was also super informative and I'm glad to have had a great tour guide during my visit in NYC. Would definitely recommend this tour to anyone looking for a tour her
Reviews by TravelOne travelers
Showing 1-5 of 5 reviews with 5 stars
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Fun tour
Published on Mar, 2025
This was such a fun and informative tour. Loved all the people running the tour. Highly recommend to anyone who is vacationing in the Caymans.
Fun tour
Published on Mar, 2025
This was such a fun and informative tour. Loved all the people running the tour. Highly recommend to anyone who is vacationing in the Caymans.
Best Experience Ever!
Published on Feb, 2025
Fantastic experience. The captain did a fantastic job edu sting us on starfish and jellyfish. When we went to bio bay it was breathtaking and amazing!
Best Experience Ever!
Published on Feb, 2025
Fantastic experience. The captain did a fantastic job edu sting us on starfish and jellyfish. When we went to bio bay it was breathtaking and amazing!
This was
Published on Feb, 2025
This was one of the most unique things I’ve ever done! Jumping into the bioluminescent bay and watching the water sparkle around me was an experience I’ll never forget. The guides were friendly and made sure everyone had a great time. Such a cool way to explore the Cayman Islands after dark!
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