Grand Cayman Bioluminescent Bay and Starfish Point Tour
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September 2026
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Adults
Age 13 and over
Children
Age 12 and under
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Free cancellation up to 24 hours before. Same price on Viator, Outty earns a commission.
Traveler rating
4.2/5
Based on 5 traveler reviews. Ratings and reviews provided by Viator and Tripadvisor.
Quick answer
Is Grand Cayman Bioluminescent Bay and Starfish Point Tour worth booking?
Grand Cayman Bioluminescent Bay and Starfish Point Tour is a 3-hour experience in Grand Cayman, Cayman Islands, from $129 per person. It scores 61 out of 100 on the Outty Ranking, which we label “Solid Choice”, based on a 4.2/5 rating across 5 reviews. Cancellation is free up to 24 hours before the start time. Same-day spots are currently showing.
- Outty Ranking
- 61 / 100
- Rating
- 4.2/5 (5)
- Duration
- 3 hours
- From
- $129 per person
Grand Cayman is one of the world’s most remarkable places to experience bioluminescence, a rare natural phenomenon that turns the water into a display of light after dark. Experience two sides of the island in one evenin
What you get
- Water and fruit punch
- Certified captain and crew
- Roundtrip Transportation from Seven Mile Beach hotels
- Snorkeling equipment: mask, snorkel, fins, and life vest
- In-vehicle air conditioning
- Bioluminescent Bay experience
About this experience
Grand Cayman is one of the world’s most remarkable places to experience bioluminescence, a rare natural phenomenon that turns the water into a display of light after dark. Experience two sides of the island in one evening — from the shallow waters of Starfish Point to the glowing waters of Bioluminescent Bay. Begin at Starfish Point, where you can wade through warm Caribbean water and see colorful cushion sea stars in their natural environment, along with unusual marine life such as upside-down jellyfish. Then continue by boat to Bio Bay. Millions of microscopic organisms illuminate the water with flashes of light as it moves, a natural phenomenon found in only a handful of places around the world. Watch the bioluminescence from the boat, or slip into the water yourself and see the glow respond to every movement around you. After an evening on the water, settle in for the boat ride back with memories of the Caribbean and a bay that glows after dark.
What's included
Included
- Water and fruit punch
- Certified captain and crew
- Roundtrip Transportation from Seven Mile Beach hotels
- Snorkeling equipment: mask, snorkel, fins, and life vest
- In-vehicle air conditioning
- Bioluminescent Bay experience
- Starfish Point visit
- Marine Park entrance fee
Not included
- Snacks
- Gratuities
- Transportation outside participating Seven Mile Beach accommodations
- Towels
What you'll see and do
Starfish Point
Begin your evening with pickup from participating accommodations in the Seven Mile Beach area. The boat generally departs Raleigh Quay at 6:30 PM during summer and 5:30 PM during winter, with hotel pickups scheduled earlier. After leaving Raleigh Quay, stop at Kaibo Dock, the alternative meeting point for guests staying outside the Seven Mile Beach area. From there, continue by boat to Starfish Point. Step into the warm, shallow Caribbean water and look for colorful cushion sea stars and seashells resting along the sandy bottom. Your guides will introduce you to the marine life found here, including the unusual upside-down jellyfish. Enjoy time in the water and the peaceful surroundings before boarding the boat again. Then continue toward Cayman’s Bioluminescent Bay. Once darkness settles in, the lower light conditions allow the bay’s natural glow to become visible, setting the stage for the highlight of your evening.
75 minutes here · Admission included
Bioluminescent Bay
Once darkness settles in, arrive at the Bioluminescent Bay near Cayman Kai, where millions of microscopic organisms create flashes of light as the water moves. Spend most of your boat tour here while your guides explain what causes the bioluminescence and why this particular bay provides the conditions for the phenomenon to occur. Watch the glow appear around the boat as the water is disturbed, creating a completely different view of Grand Cayman after dark. You can enjoy the bioluminescence from the boat or choose to swim in the bay, where movement through the water makes the glow visible around you. Swimming is optional. After your time at Bio Bay, return by boat via Kaibo Dock and Raleigh Quay Private Dock. Guests using the shuttle service will then be transported back to participating accommodations in the Seven Mile Beach area. Total duration: approximately 3 hours, including transportation. The boat tour itself lasts approximately 2 hours.
105 minutes here
Where it starts and ends
Meeting point
Grand Cayman
Your tour will depart from Kaibo Restaurant Pier located at 585 Water Cay Rd. Please be here 30 minutes before your trip time. Our driver, who will be wearing a polo shirt with our logo, will call out your name upon arrival. Please note that the driver can wait for a maximum of 5 minutes.
Meeting point
Grand Cayman
Your tour will depart from Captain Marvin's dock, located at Raleigh Quay. Please be here 30 minutes before your trip time. Our driver, who will be wearing a polo shirt with our logo, will call out your name upon arrival. Please note that the driver can wait for a maximum of 5 minutes.
Hotel pickup
Pickup is available for selected locations. Pickup begins about 45 minutes before departure.
Ends at
Your tour will depart from Kaibo Restaurant Pier located at 585 Water Cay Rd. Please be here 30 minutes before your trip time. Our driver, who will be wearing a polo shirt with our logo, will call out your name upon arrival. Please note that the driver can wait for a maximum of 5 minutes.
Ends at
Your tour will depart from Captain Marvin's dock, located at Raleigh Quay. Please be here 30 minutes before your trip time. Our driver, who will be wearing a polo shirt with our logo, will call out your name upon arrival. Please note that the driver can wait for a maximum of 5 minutes.
Before you book
- Cancellation
- For a full refund, cancel at least 24 hours before the scheduled departure time.
- Languages
- en
- Ticket
- Mobile Only
- Runs on
- Every day
- Group size
- Up to 15 travelers per booking
- Operated by
- Caribbean Cruise Tours
Know before you go
- 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 spinal injuries
- Suitable for all physical fitness levels
- Flotation devices for children under age 3 are not available
- Total tour duration includes travel time, with the Bioluminescence Tour lasting approximately 2 hours from dock to dock.
- Seasonal Departure Times: The boat generally departs Raleigh Quay at 6:30 PM during summer and 6:00 PM during winter. Hotel pickups are scheduled earlier.
- Bioluminescence is a natural phenomenon, and its visibility and intensity vary from night to night depending on natural conditions. Promotional images are for illustration purposes and may not reflect the exact appearance or intensity experienced during your visit.
- Tours are scheduled based on moon phases, so availability may fluctuate.
- Roundtrip transportation is only included for hotels located along Seven Mile Beach.
- Guests must provide their hotel or accommodation details at the time of booking to arrange transportation. If no accommodation information is provided, the meeting point will be Raleigh Quay Private Dock.
- Snorkeling Equipment: Mask, snorkel, fins, and life vest are provided.
- Rain or Shine: The tour operates in light rain and normal weather conditions. The tour may be modified or canceled if weather or marine conditions are unsuitable for safe navigation.
- Wildlife: Please observe marine life responsibly and follow your crew’s instructions at Starfish Point and throughout the tour.
- Late Arrivals / No-Shows: Guests who arrive late or fail to show up for their scheduled activity are not eligible for a refund.
- What to Bring: Bring a swimsuit and towel if you plan to enter the water.
- Swimming: Swimming in Bioluminescent Bay is optional. Guests who prefer to remain on the boat can still experience the bioluminescence.
- Kaibo Meeting Point: Guests staying outside the Georgetown and Seven Mile Beach area may meet the tour at Kaibo Dock. Please contact us in advance to arrange this meeting point.
Photos
What travelers are saying
Outty’s summary of the themes that recur across 5 traveler reviews. Written by us, not quoted from reviewers.
Knowledge and storytelling
2 mentionsReviewers describe the commentary as informative rather than scripted.
The guide
1 mentionTravelers single out the guide as the reason the experience works.
Photo opportunities
1 mentionThe views and photo stops come up again and again.
Good for families
1 mentionReviewers traveling with kids report it landed well with their group.
Traveler reviews
5 verified traveler reviews for Grand Cayman Bioluminescent Bay and Starfish Point Tour. Ratings and reviews provided by Viator and Tripadvisor.
What a fun evening trip
Excellent and knowledgeable staff! The whole crew made the trip fully enjoyable and had enough knowledge to enhance the experience. The hotel pickup and transport driver were also great. Highly recommended
via Tripadvisor
Unforgettable family experience! Book this tour!
Captain Sugar Bear made us feel right at home. It’s clear this crew knows what they’re doing. Captain and First Mate Alex taught us about the sea life at night in a fun and interesting way. Our first stop was at Starfish point where we got to hold beautiful red starfish and touch a jellyfish! Sugar Bear and Alex were careful to make sure we understood how these animals interact with their environment and how to safely handle them. Next we hopped over to bioluminescence bay, which was amazing! You could see the glow behind the boat as it trolled into the bay. Once stopped we all hopped in and swam. Marcella was amazing, making sure everyone got photos. 10/10 tour!
via Tripadvisor
These thieves agreed to...
These thieves agreed to pick us up at our Condo which Viator CONFIRMED! They did not pick us up. Instead they stole over $300, and refused to refund. That has cost Viator our future business, and likely legal action. DO NOT USE THIS PROVIDER. Viator should cancel relationships with them.
Response from the operator: Hi Scott_W, We’re sorry this experience did not meet your expectations. As stated in the tour description, pick-up service is only available within the Seven Mile Beach corridor. Since your condo was outside this area, we sent you the closest meeting point and instructions beforehand. We did not receive confirmation from you, and on the day of the tour you were unfortunately marked as a no-show. For transparency, our policy notes that no-shows and late arrivals are non-refundable. We always aim to provide clear communication and a respectful service, and we kindly ask that the same courtesy is extended to our team. We truly hope to welcome you another time to experience the magic of the Bioluminescent Bay in Grand Cayman. The Caribbean Cruise Tours Team
via Viator
So much fun! Alex and...
So much fun! Alex and Jimbo were informative and made sure we maintained the integrity of the waters and marine life while teaching us as well.
Response from the operator: Hi Jennifer, We’re thrilled you had so much fun with us in Grand Cayman during your stay at the Indigo Hotel! It’s great to hear that Alex and Jimbo made the tour both fun and educational while helping protect the beauty of the bioluminescent bay Thanks for choosing us to be part of your Caribbean adventure! We’d love to see your favorite moments—feel free to share your stories and tag us on Instagram or Facebook at @NextExperienceTravel so other travelers can discover this magical place too! Hope to see you again on your next journey! Warm regards, The Caribbean Cruise Tours Team 🌴
via Viator
Awesome once in a lifetime experience
Such a cool experience looked like glitter under the water. They provide suits so you don't get stung. They give you noodles to help you float because they don't want your feet touching the ground because there's little jellyfish down there. The water is shallow about 4 or 5 ft
Response from the operator: Hi Chelsea, We’re thrilled you had such a cool experience exploring the Bioluminescent Bay with us in Grand Cayman! That glitter-like glow under the water really is something special, and we’re glad you felt safe and comfortable with the suits and float noodles. Thanks for choosing to spend your evening with us during your stay at The Kimpton Seafire—it means a lot! Don’t forget to share your glowing memories and tag us on Instagram or Facebook at @NextExperienceTravel so fellow travelers can discover the magic too Hope to see you again soon in the beautiful Caribbean! Warm wishes, The Caribbean Cruise Tours Team
via Tripadvisor
Good to know
- Duration
- 3 hours
- Free cancellation
- Up to 24h before
- Minimum age to book
- All ages
- Availability
- Bookable today
- Runs on
- Every day
- Price range
- $129 to $149
- Hotel pickup
- Available for selected locations
- Booked in 30 days
- 2
- Verdict
- Solid Choice
Why this scores 61
The Outty Ranking is a weighted composite. Here is how this experience performed on each component.
Grand Cayman Bioluminescent Bay and Starfish Point Tour: questions travelers ask
Practical detail on this experience, plus the wider planning questions for Grand Cayman.
How much does Grand Cayman Bioluminescent Bay and Starfish Point Tour cost?
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Prices start at $129 per person. The final price depends on the date, the time slot and the number of travelers, and peak weekends in Grand Cayman usually price higher than midweek mornings. Live pricing and remaining availability are confirmed on the booking screen before you pay.
How long does Grand Cayman Bioluminescent Bay and Starfish Point Tour take?
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Plan for about 3 hours from start to finish, not counting travel to the meeting point. Most travelers leave another 30 minutes on either side so the rest of the day in Grand Cayman is not rushed.
Is Grand Cayman Bioluminescent Bay and Starfish Point Tour worth it?
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It holds an Outty Ranking of 61 out of 100, which we label "Solid Choice". That score blends traveler sentiment (4.2/5 across 5 reviews), the depth of that review evidence, recent booking momentum, value for money against comparable last minute in Grand Cayman, and how flexible the cancellation terms are.
Can I cancel or reschedule Grand Cayman Bioluminescent Bay and Starfish Point Tour?
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Yes. Cancel free up to 24 hours before the start time for a full refund. Inside that window the booking is non-refundable, and no-shows are not refunded.
Is Grand Cayman Bioluminescent Bay and Starfish Point Tour suitable for kids and families?
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Yes, all ages are welcome. Families should still weigh the 3-hour running time, and strollers are easier on the earlier, quieter departures.
How far in advance should I book Grand Cayman Bioluminescent Bay and Starfish Point Tour?
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Around 2 people booked this in the last 30 days, so popular slots go early. Two to three weeks ahead is comfortable in shoulder season, while summer weekends and holidays in Grand Cayman can sell out a month out. Same-day spots do open up when other travelers cancel, so it is worth checking if you are already in town.
What should I bring or wear?
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Bring photo ID, your booking confirmation on your phone, a refillable water bottle and comfortable shoes. Dress for the weather in Grand Cayman and add a light layer if any part of the 3-hour experience runs outdoors or after sunset.
Where does Grand Cayman Bioluminescent Bay and Starfish Point Tour start and how do I get there?
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The exact meeting point and directions are on your voucher once you book, and they sit in central Grand Cayman within reach of public transport. Arrive 15 minutes early: late arrivals are treated as no-shows by most operators.
What are the best things to do in Grand Cayman?
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On Outty we rank every Grand Cayman experience on the same 0 to 100 scale, and alongside this one the highest scorers right now include Small Group E-Bike Grand Cayman Ecological Half-Day Tour, Stingray City Experience Plus Two Snorkeling Stops on Grand Cayman, Stingray City Sandbar, Coral Gardens Snorkeling & Star Fish Point. The city page groups everything into most popular, highest reviewed, last minute and family-friendly so you can build a day around what actually delivers.
When is the best time to visit Grand Cayman?
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Booking patterns follow the same curve: prices and queues climb in peak weeks, while shoulder season gives you better availability on the top-ranked experiences and more room to change plans.
How many days do you need in Grand Cayman?
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Three full days covers the headline sights without sprinting. A workable rhythm is one anchor experience each morning, such as this one, an unhurried afternoon in a single neighborhood, then a food or nightlife booking in the evening. Five days lets you add a day trip outside the city.
Do I book through Outty or through the operator?
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Outty ranks and explains the experiences, then hands you to Viator to complete the booking with the operator directly. The price is the same as booking on Viator yourself, and Outty earns an affiliate commission on the referral, which is how the rankings stay free to read.
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