




Grand Cayman is one of the few places in the world where you can experience the incredible natural phenomenon of bioluminescence Discover the enchanting magic of Grand Cayman's Bioluminescent Bay, where millions of glowing plankton illuminate the water under the night sky. This unique boat tour invites you to witness this mesmerizing natural light show, guided by local experts who reveal the secrets behind the glowing waters. Your adventure begins at Starfish Point, where you'll encounter the intriguing upside-down jellyfish and take in the serene beauty of the beach. Next, experience the wonder of Bio Bay, where you can admire the glowing waters from the boat or opt for an unforgettable swim, immersing yourself in this rare phenomenon up close. This captivating tour is perfect for nature lovers and adventurers alike—a must-see highlight of Grand Cayman that promises memories to last a lifetime!
From the operator’s live schedule on Viator, checked Oct 26.
Start your adventure with a scenic 40-minute drive to the stunning East End, soaking in breathtaking island views along the way. Your first stop? The serene Starfish Point, a hidden gem where you’ll learn about the captivating upside-down jellyfish and take in the beauty of the island as the sun sets. But the magic doesn’t stop there—next, we head to Bio Bay for an unforgettable encounter with bioluminescent waters. Watch as the sea glows with natural light, offering you the perfect moment for awe-inspiring photos.
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. With approximately 2 hours on the water between Starfish Point and Bio Bay, there’s plenty of time to enjoy both sides of this unique evening adventure. 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!
Hotel Guests: Please provide the name of your accommodation at the time of booking so we can confirm your pickup location and time. Pickup is available from participating hotels and accommodations in the Seven Mile Beach area. If accommodation information is not provided at the time of booking, your meeting point will be Raleigh Quay Private Dock, 292 Raleigh Quay, Governor’s Harbour. Guests staying outside the pickup area may be asked to meet directly at a designated departure point. Your exact pickup or meeting instructions and time will be provided with your confirmation. Departure times vary seasonally, with the boat generally departing around 6:30 PM during summer and 5:30 PM during winter. Hotel pickups are scheduled earlier based on your accommodation. Please be ready at your confirmed pickup or meeting location 15 minutes before your scheduled time.
Reviews collected by Viator and Tripadvisor
Excurgo comparison of 210 Viator tours, recalculated daily.
For a full refund, cancel at least 24 hours before the scheduled departure time.
Grand Cayman Bioluminescent Bay Adventure lasts about 3 hours. The itinerary has 2 stops.
Prices start at $149 per person for this Grand Cayman experience, booked through Viator with the price shown before checkout. There is 1 booking option, so the final price depends on the option you choose.
According to the operator’s current schedule, it runs every day, starting at 6:30 PM.
Children aged 3–11 pay from $139, adults from $149. Infants go free.
Yes. Cancel at least 1 day before the start for a full refund. Later cancellations are non-refundable.
Yes, pickup is offered. Hotel Guests: Please provide the name of your accommodation at the time of booking so we can confirm your pickup location and time. Pickup is available from participating hotels and accommodations in the Seven Mile Beach area. If accommodation information is not provided at the time of booking, your meeting point will be Raleigh Quay Private Dock, 292 Raleigh Quay, Governor’s Harbour. Guests staying outside the pickup area may be asked to meet directly at a designated departure point. Your exact pickup or meeting instructions and time will be provided with your confirmation. Departure times vary seasonally, with the boat generally departing around 6:30 PM during summer and 5:30 PM during winter. Hotel pickups are scheduled earlier based on your accommodation. Please be ready at your confirmed pickup or meeting location 15 minutes before your scheduled time. Pickup points include Caribbean Club.
The experience is available in EN.
It is a small-group experience with a maximum of 35 participants.
Infants and small children can ride in a pram or stroller Infants are required to sit on an adult’s lap Flotation devices for children under age 3 are not available
Yes, bookings are confirmed instantly.
Travellers rate it 3.9 out of 5 across 43 reviews on Viator and Tripadvisor; it is run by Cruise Port Adventures.
Reviews collected by Viator and Tripadvisor
| Tour | Duration | Rating | Price | |
|---|---|---|---|---|
Grand Cayman Bioluminescent Bay Adventure | 3 hours | 3.9 (43) | $149 | |
Grand Cayman - Bioluminescent Bay Tour | 2h 30min | 4.6 (385) | $115 | View |
Private Bioluminescent Bay Tour | 2h 5min | 5.0 (21) | $600 | View |
Private Boat Tours: Customize Your Grand Cayman Adventure! | 2–6 hours | 4.9 (197) | $499 | View |
Grand Cayman Bioluminescence Adventure | 3 hours | 4.2 (21) | $159 | View |
Private Shore Tour: Bio Bay & Stingray City Boat Adventure | 4h 30min | — | $913 | View |
Night Bioluminescence Snorkel Tour | 2 hours | 4.9 (1,068) | $145 | View |