Grand Cayman Bioluminescence Adventure
Overview
Experience the magic of Grand Cayman’s famous Bioluminescent Bay, where millions of tiny glowing organisms light up the water at night. This unique boat tour offers an unforgettable evening experience, guided by local experts who know the bay and its fascinating marine life.
Your adventure includes two incredible stops. First, explore Starfish Point at sunset, surrounded by crystal-clear Caribbean waters. Then continue to the famous Bio Bay aboard a custom-designed boat created specifically for bioluminescence tours.
Watch the water come alive and glow with every movement as your guides explain this incredible natural phenomenon and introduce you to the fascinating upside-down jellyfish. Marvel at the glow from the boat or take an optional swim surrounded by millions of glowing organisms for an even closer experience.
This one-of-a-kind adventure is a must-do when visiting Grand Cayman!
What's Included
- Snorkeling gear: mask, snorkel & fins
- Water and fruit punch
- Certified captain and crew
- Roundtrip Transportation from Seven Mile Beach hotels
- Life vest
- Cayman Islands Marine Park fee
- Bioluminescent Bay experience
- Water & fruit punch
- Starfish Point visit
- Snacks
- Gratuities
- Transportation outside Seven Mile Beach pickup area
Meeting and Pickup
Seven Mile Beach Guests: Hotel pickup is available within the Seven Mile Beach area only. Please provide your hotel or accommodation name at the time of booking and be ready at your designated pickup time. Your exact pickup time will be provided after booking.Kaibo Dock: Guests meeting at Kaibo should arrive at Kaibo Dock at the designated meeting time provided after booking.Outside Pickup Area / No Hotel Info: If you’re staying outside the Seven Mile Beach pickup area or do not provide your accommodation information at the time of booking, meet at Raleigh Quay Private Dock, 292 Raleigh Quay. Your exact meeting time will be provided after booking.Seasonal Dock Departure: The boat departs at approximately 6:30 PM during summer and 5:30 PM during winter. Your exact pickup or meeting time will be confirmed after booking.
This activity ends back at the meeting point.
Detailed check-in instructions, including the exact address, are provided with your booking confirmation.
What To Expect
Book Online
Safe & secure Easy breezy Hassle‑free
Starfish Point
1 hour 30 minutes Admission Ticket Free
Bioluminescent Bay
1 hour 30 minutes Admission Ticket Free
Additional Info
- Confirmation is instant and will be received at time of booking
- Not recommended for travelers with poor cardiovascular health
- Mobility: Transportation can accommodate foldable/collapsible wheelchairs only. Guests must be able to board and exit the boat independently and should have sufficient balance, stability and mobility for boat boarding and movement onboard.
- Suitable for all physical fitness levels
- Infants and small children can ride in a pram or stroller
- Infants are required to sit on an adult’s lap
- Children: Flotation devices for children under age 3 are not available. Parents or guardians must bring an appropriate flotation device.
- What to Bring: Please bring a swimsuit, towel, change of clothes and any personal essentials you may need after swimming.
- Please be aware that the tour start time may vary depending on the time of year to ensure the best experience.
- Natural Phenomenon: Bioluminescence is a natural phenomenon, and its intensity may vary nightly due to environmental conditions.
- Photos shown are for illustrative purposes and are typically captured using professional cameras under optimal conditions. The appearance and intensity of bioluminescence may differ from what is visible to the naked eye or experienced on the night of your tour.
- 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.
- Seven Mile Beach Pickup: Hotel pickup is available within the Seven Mile Beach area only. Please provide your hotel or accommodation name at the time of booking.
- Kaibo Dock: Guests may also meet at Kaibo Dock. Your exact meeting time will be provided after booking.
- Outside Pickup Area / No Hotel Information: Guests staying outside the Seven Mile Beach pickup area, or who do not provide accommodation information at the time of booking, must meet at Raleigh Quay Private Dock, 292 Raleigh Quay.
- Swimming: Swimming in Bioluminescent Bay is optional. Guests may also experience the bioluminescence from the boat.
- Protecting the Bioluminescence: To help protect the delicate organisms that create the bioluminescence, please do not touch or disturb marine life or the seabed while in the water. Guests entering the bay should not apply sunscreen, lotions, oils, insect repellent or other skin products before swimming.
- Weather: This tour operates rain or shine. Operations may be modified, delayed or canceled when weather or sea conditions make it unsafe to operate or when restrictions are issued by the Cayman Islands Port Authority. If the tour is canceled by the operator due to unsafe conditions, guests will receive a full refund.
- Late Arrivals / No-Shows: Guests who arrive late or fail to show up for their scheduled activity are not eligible for a refund.
- This tour/activity will have a maximum of 35 travelers
Frequently Asked Questions (9)
Q: Will I get seasick on Grand Cayman Bioluminescence Adventure?
Cancellation Policy
Still have questions?
We're here to help.
Activity code: C-169734P83
Traveler Photos
Reviews
Average 4.35 out of 5 stars based on 26 traveler reviews collected by Cool Shore Excursions and partner sites such as Cool Destinations and TripAdvisor
Additional Info
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Frequently Asked Questions (9)
The answers provided below were previously given in response to questions from Cool Shore Excursions customers.
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If you have any doubts about becoming seasick on the water, we recommend taking a Dramamine® Motion Sickness Relief tablet the night before your trip. Some people recommend taking it the night before your cruise and then again that morning so you will not feel so drowsy.
Feb 2023- For a full refund, you must cancel at least 24 hours before the tour start time.
- If you cancel less than 24 hours before the tour start time, the amount you paid will not be refunded.
- Any changes made less than 24 hours before the tour start time will not be accepted.
- Cut-off times are based on the tour local time (EST).
- Snorkeling gear: mask, snorkel & fins.
- Water and fruit punch.
- Certified captain and crew.
- Roundtrip Transportation from Seven Mile Beach hotels.
- Life vest.
- Cayman Islands Marine Park fee.
- Bioluminescent Bay experience.
- Water & fruit punch.
- Starfish Point visit.
- Snacks.
- Gratuities.
- Transportation outside Seven Mile Beach pickup area.
This tour requires good weather. If it’s canceled due to poor weather, you’ll be offered a different date or a full refund.
Apr 2025There is no minimum age for this tour, so bring your wee one along for an adventure. This tour requires at least one adult to accompany children..
Apr 2025If a date or time is not listed on the calendar, it’s sold out or unavailable for another reason. Support cannot assist further if a date or time is not on the calendar.
If you find a date and time that works for you, book it NOW because things always sell out at this time of year.
Apr 2025Accessibility information for the Grand Cayman Bioluminescence Adventure is as follows:
- Not recommended for travelers with poor cardiovascular health
- Mobility: Transportation can accommodate foldable/collapsible wheelchairs only. Guests must be able to board and exit the boat independently and should have sufficient balance, stability and mobility for boat boarding and movement onboard.
- Suitable for all physical fitness levels
Detailed check-in instructions – including meeting point address, Google map, and parking information – for Grand Cayman Bioluminescence Adventure will be included in your confirmation email from Cool Shore Excursions. Please be sure to double and triple check your email address is correct at checkout so this important email makes its way to you!
Mar 2024Once your refund is processed, it usually shows on your card statement within 5–10 business days. The exact timing depends on your bank or card issuer.
Want it sooner? When you cancel, choose Receive a refund to my wallet instead. The credit is in your Wallet straight away and is applied automatically at checkout on your next booking when you’re signed in with the same email. You can see your balance any time in My Wallet.
If you paid part of your booking with Wallet credit, that part always goes back to your Wallet. Trip protection isn’t refundable.
Oct 2026What's Included
- Snorkeling gear: mask, snorkel & fins
- Water and fruit punch
- Certified captain and crew
- Roundtrip Transportation from Seven Mile Beach hotels
- Life vest
- Cayman Islands Marine Park fee
- Bioluminescent Bay experience
- Water & fruit punch
- Starfish Point visit
- Snacks
- Gratuities
- Transportation outside Seven Mile Beach pickup area
Additional Info
- Confirmation is instant and will be received at time of booking
- Not recommended for travelers with poor cardiovascular health
- Mobility: Transportation can accommodate foldable/collapsible wheelchairs only. Guests must be able to board and exit the boat independently and should have sufficient balance, stability and mobility for boat boarding and movement onboard.
- Suitable for all physical fitness levels
- Infants and small children can ride in a pram or stroller
- Infants are required to sit on an adult’s lap
- Children: Flotation devices for children under age 3 are not available. Parents or guardians must bring an appropriate flotation device.
- What to Bring: Please bring a swimsuit, towel, change of clothes and any personal essentials you may need after swimming.
- Please be aware that the tour start time may vary depending on the time of year to ensure the best experience.
- Natural Phenomenon: Bioluminescence is a natural phenomenon, and its intensity may vary nightly due to environmental conditions.
- Photos shown are for illustrative purposes and are typically captured using professional cameras under optimal conditions. The appearance and intensity of bioluminescence may differ from what is visible to the naked eye or experienced on the night of your tour.
- 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.
- Seven Mile Beach Pickup: Hotel pickup is available within the Seven Mile Beach area only. Please provide your hotel or accommodation name at the time of booking.
- Kaibo Dock: Guests may also meet at Kaibo Dock. Your exact meeting time will be provided after booking.
- Outside Pickup Area / No Hotel Information: Guests staying outside the Seven Mile Beach pickup area, or who do not provide accommodation information at the time of booking, must meet at Raleigh Quay Private Dock, 292 Raleigh Quay.
- Swimming: Swimming in Bioluminescent Bay is optional. Guests may also experience the bioluminescence from the boat.
- Protecting the Bioluminescence: To help protect the delicate organisms that create the bioluminescence, please do not touch or disturb marine life or the seabed while in the water. Guests entering the bay should not apply sunscreen, lotions, oils, insect repellent or other skin products before swimming.
- Weather: This tour operates rain or shine. Operations may be modified, delayed or canceled when weather or sea conditions make it unsafe to operate or when restrictions are issued by the Cayman Islands Port Authority. If the tour is canceled by the operator due to unsafe conditions, guests will receive a full refund.
- Late Arrivals / No-Shows: Guests who arrive late or fail to show up for their scheduled activity are not eligible for a refund.
- This tour/activity will have a maximum of 35 travelers
