Quick Details
Adults
13 +
$ 65
Children
4-12
$ 60
Beautiful Nighttime Bioluminescent Bay Kayak Tours in Vieques
Experience the magic of Mosquito Bay in Vieques, Puerto Rico, home to the brightest bioluminescent bay in the world. On this guided bioluminescent kayak tour, you will paddle through glowing waters filled with millions of microscopic organisms called dinoflagellates that illuminate with every movement.
As you glide across the bay, each paddle stroke creates a brilliant trail of electric blue light, turning the water into a breathtaking natural light show. This unforgettable adventure offers one of the best nighttime experiences in Puerto Rico and a unique opportunity to connect with nature.
Our experienced local guides will lead you safely through the bay while explaining the science behind this incredible natural phenomenon and the importance of protecting the ecosystem of Mosquito Bay in Vieques.
Please arrive on time for a short safety briefing before the tour begins.
Tour Schedule
Due to seasonal daylight changes, tours currently depart at:
7:00 PM | 8:00 PM | 9:00 PM | 10:00 PM
Important Ferry Information
If you plan to return to the main island the same day, please note that:
Monday through Sunday, only the 7:00 PM tour allows enough time to return on the 9:30 PM ferry. If you choose a later tour time, you will need to stay overnight on the island.
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- Kayak
- Lifevest
- Guide
- Fun!
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Important Ferry & Arrival Information
If you plan to return to the main island the same day, please note that due to seasonal daylight changes, tours currently depart at:
7:00 PM | 8:00 PM | 9:00 PM | 10:00 PM
🚢 Ferry Return to Ceiba
Monday through Sunday:
Only the 7:00 PM tour allows enough time to return on the 9:30 PM ferry. Guests booking later tours must stay overnight in Vieques.Before booking Saturday or Sunday, please verify that the 9:30 PM ferry is available by visiting puertoricoferry.com, as ferry schedules and availability may change.
Arrival & Coordination
Please coordinate your transportation with us in advance and confirm that your selected tour meets the minimum participant requirement.
Failure to coordinate transportation or ferry schedules may result in an unexpected overnight stay in Vieques.
Late Arrival Policy
If you expect to arrive late or feel lost, please call us immediately.
📞 939-426-8561
Guests who arrive after the tour has departed will be considered a no-show, and no refund will be issued.
Meeting Location
📍 201–279 Calle Flamboyán
Vieques, PR 00765 -
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Important Travel Notice
If you plan to participate in the tour and return to the main island (Puerto Rico) the same day, please note the following:
🚢 Ferry Return Information
Monday through Sunday:
Only the 7:00 PM tour allows enough time to return on the 9:30 PM ferry. Guests who book later tours (8:00 PM, 9:00 PM, or 10:00 PM) will need to stay overnight in Vieques.Before booking Saturday or Sunday, please verify ferry availability for the 9:30 PM ferry by visiting puertoricoferry.com, as ferry schedules and ticket availability may change.
Transportation Coordination
Please coordinate your transportation in advance and contact us ahead of time to confirm that your selected tour meets the minimum participant requirement.
Failure to coordinate these details may result in an unexpected overnight stay in Vieques, as later ferry options may not be available.
Late Arrival Policy
📞 If you expect to arrive late or feel lost, please call us immediately at 939-426-8561.
Guests who arrive after the tour has departed will be considered a no-show, and no refund will be issued.
Meeting Location
Look for our bright yellow short school bus — you can’t miss it! Our friendly team will be there to welcome you and assist with check-in.
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Recommended Items to Bring
Please bring the following items to make your experience more comfortable:
• Comfortable clothing
• Water shoes or sandals (recommended)
• Insect repellent (DEET-free only)
• Waterproof bag for personal items
• Camera or waterproof phone case
• Towel -
Important Travel Notice
If you plan to participate in the tour and return to the main island (Puerto Rico) the same day, please note the following:
🗓️ Monday through Sunday:
You must book the 7:00 PM tour, as it is the only tour that allows enough time to return on the 9:30 PM ferry. Guests who book later tours (8:00 PM, 9:00 PM, or 10:00 PM) will need to stay overnight in Vieques.Before booking Saturday or Sunday, please verify ferry availability for the 9:30 PM ferry by visiting puertoricoferry.com, as ferry schedules and ticket availability may change.
Transportation Coordination
Please coordinate your transportation in advance and contact us ahead of time to confirm that your selected tour meets the minimum participant requirement.
Failure to coordinate these details may result in an unexpected overnight stay in Vieques, as later ferry options may not be available.
Late Arrival Policy
📞 If you expect to arrive late or feel lost, please call us immediately at 939-426-8561.
Guests who arrive after the tour has departed will be considered a no-show, and no refund will be issued.
Meeting Instructions
Look for our bright yellow short school bus — you can’t miss it! Our friendly team will be there to welcome you and assist with check-in.
Recommended Items to Bring
Please bring the following items to make your experience more comfortable:
• Comfortable clothing
• Water shoes or sandals (recommended)
• Insect repellent (DEET-free only)
• Waterproof bag for personal items
• Camera or waterproof phone case
• Towel
Restrictions & Requirements
For safety reasons, the following restrictions apply:
• Maximum weight is 500 pound per kayak.
• Guests must be able to paddle and follow guide instructions
• This tour is not recommended for pregnant guests or individuals with serious back, neck, or mobility issues
• All participants must sign a liability waiver before the tourOur guides reserve the right to deny participation if safety requirements are not met.
Weather & Bioluminescence Notice
Bioluminescence is a natural phenomenon, and visibility may vary depending on:
• Moon phase
• Weather conditions
• Water clarity
• Natural environmental changesWhile Mosquito Bay is the brightest bioluminescent bay in the world, brightness levels can change from night to night.
Tours operate rain or shine unless conditions are unsafe. Light rain does not affect the experience.
Refunds are not issued due to variations in bioluminescence visibility, as this is a natural occurrence beyond our control.
By booking this tour, guests acknowledge that bioluminescence visibility varies naturally and is not guaranteed.
What to Expect During the Tour
Your adventure begins with a short safety briefing before entering the water.
Guests will paddle through Mosquito Bay, home to millions of microscopic organisms called dinoflagellates, which glow when the water is disturbed.
Each paddle stroke creates a trail of beautiful glowing blue light, making this one of the most unique natural experiences in Puerto Rico.
Our knowledgeable guides will also share information about:
• The science behind bioluminescence
• The ecosystem of Mosquito Bay
• Conservation efforts that protect this natural wonderThis is a nature-based experience, so every night in the bay can be slightly different.
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Our 10 Rules to ensure the safety and enjoyment of your tour:
Listen to your tour guide: Follow their instructions for a smooth and safe experience.
Wear appropriate safety gear: Life jackets and helmets are provided for your protection—wear them at all times.
Respect wildlife: Observe animals from a distance and refrain from feeding or touching them.
Stay with the group: Stick together with your tour companions to ensure no one gets lost.
Be mindful of weather conditions: Prepare for changes in weather and follow the guide’s advice regarding safety protocols.
Follow Route: Clients must dispose of any trash or waste in designated areas and refrain from littering in the bio bay or surrounding environment.
No Swimming: Swimming in the bio bay is not permitted due to safety reasons and to preserve the natural habitat. Clients must remain in their kayaks at all times.
Stay Calm: In the event of unexpected circumstances such as capsizing or encountering wildlife, clients must remain calm and follow the guide’s instructions for a safe resolution.
Dress Appropriately: Clients should wear appropriate clothing and footwear suitable for kayaking, including swimwear, rash guards, and water shoes.
Enjoy responsibly: Have fun, but remember to respect the environment and fellow tour participants for a memorable experience.
If you need to catch the late ferry back to the main island of Puerto Rico Monday-Friday, you must book the 7:00 PM tour. Otherwise, you’ll have to stay in Vieques overnight. (Saturday and Sunday there is no late ferry back)
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Mosquito Biobay Tours LLC — Cancellation & Rescheduling Policy
How timing is calculated: All timeframes are based on the scheduled check-in time for your tour and local time in Vieques, Puerto Rico (AST).
How to cancel or modify: Email biobay@mosquitobiobaytours.com or call/WhatsApp +1 (939) 426-8561A) Standard
bookings (1–10 guests)48 hours or more before the tour: Full refund or free reschedule.
Between 48 and 24 hours before the tour: 50% refund; rescheduling based on availability.
Less than 24 hours before the tour: Non-refundable; rescheduling may be offered at management’s discretion.
No-shows: No refund and no reschedule (no exceptions).
B) Group bookings (10+ guests)
7 days or more before the tour date: Full refund or free reschedule.
Less than 7 days before the tour date: Non-refundable; rescheduling may be offered at management’s discretion and subject to availability.
This 7-day group policy supersedes the standard 48/24-hour timeline above.
C) Weather & safety
If we cancel due to weather or conditions beyond our control, you may reschedule or receive a full refund. Determinations about weather/safety cancellations are made by Mosquito Biobay Tours to protect guest safety and tour quality.
D) Minimum participant requirement
Our tours require a minimum of 10 confirmed participants to operate. If the minimum is not met, we may reschedule your tour to another available date/time or offer an alternative experience, depending on availability. We will notify you in advance if an adjustment is needed.
E) Ferry tickets
Guests are responsible for securing ferry tickets. We are not responsible if you are unable to obtain ferry tickets; please secure them before booking with us.
F) Refund method
Approved refunds are issued to the original form of payment. Processing times may vary depending on your bank or card issuer.
Thanks in advance for your help in this matter.