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Clear Bottom Kayak - Bio Bay Evening Tour

Guided ·
4.3
(186)
See all kayak tours in Vieques
Locally Owned
Wildlife
Small Group Sizes
Beginner Friendly
On the Water
Instant Book
Duration: 1.5 hours

Pricing

Adult

13 +

$65
Child

4-12

$60

All Prices

Adult

13 +

$65
Child

4-12

$60

Description

Paddle Through the World's Brightest Bioluminescent Bay

Mosquito Bay in Vieques, Puerto Rico holds a Guinness World Record as the brightest bioluminescent bay on Earth. On this guided clear-bottom kayak tour, you'll glide across waters filled with millions of microscopic organisms called dinoflagellates — tiny plankton that produce a brilliant electric blue glow with every movement. Each paddle stroke lights up the water beneath you like something out of a dream.

Mosquito Bio Bay Tours is a locally owned and operated eco-tour company based in Vieques. Their certified guides lead you safely through the bay while explaining the science and conservation story behind this rare natural wonder. A short safety briefing takes place before every tour. This is widely considered one of the best nighttime experiences in all of Puerto Rico.

Duration

1.5 hours

Location / Where to Meet

  1. Meet at 279 Calle Flamboyan, Vieques, PR 00765. Look for the bright blue short bus — the team will be there to welcome you and assist with check-in. Please arrive 15 minutes early for the safety briefing.

Tour Schedule

Tours depart at 7:00 PM, 8:00 PM, 9:00 PM, and 10:00 PM. If you plan to return to the main island of Puerto Rico the same night, only the 7:00 PM tour allows time to catch the 9:30 PM ferry. Guests choosing later departures will need to stay overnight in Vieques.

Ages

Ages 4 and up. Maximum capacity is 20 guests per tour.

Difficulty / Skill Level

Beginner friendly. No prior kayaking experience required. Life jackets are provided and must be worn throughout the tour.

What's Included

  • Clear-bottom kayak
  • Life vest
  • Certified local guide

Not Included

  • Ferry tickets (guests are responsible for securing their own in advance)
  • Accommodations if an overnight stay is required
  • Gratuity

What to Bring / Wear

  • Water shoes or sandals
  • Insect repellent (DEET-free recommended)
  • Waterproof bag for personal items
  • Reusable water bottle
  • Camera or waterproof phone case
  • Towel
  • Change of clothes
  • Light jacket (evenings on the water can be breezy)

ADVENTURE PROVIDED BY Mosquito Bio Bay Tours

FAQs

Does the water actually glow? What causes it?

Yes. The glow is produced by microscopic organisms called dinoflagellates, which emit a brilliant electric blue light whenever the water is disturbed. Mosquito Bay in Vieques is certified by Guinness World Records as the brightest bioluminescent bay on Earth, with one of the highest concentrations of these organisms anywhere.

Do I need kayaking experience?

No experience is needed. This tour is beginner friendly and suitable for all skill levels. Your guide will provide instructions before you set out, and life jackets are provided and required throughout.

What if I want to return to the main island the same night?

Only the 7:00 PM tour allows enough time to catch the 9:30 PM ferry back to the main island. If you book a later departure (8:00 PM, 9:00 PM, or 10:00 PM), you will need to stay overnight in Vieques. Guests are responsible for securing their own ferry tickets in advance.

Is this tour good for children?

Yes. The tour is open to guests ages 4 and up. Life jackets are provided and required for all participants.

What is the minimum number of participants required?

Tours require a minimum of 10 confirmed participants to operate. If the minimum is not met, you may be rescheduled to another available date and time or offered an alternative experience. You will be notified in advance if any adjustment is needed.

What should I do if I am running late or feel lost?

If you expect to arrive late or are having trouble finding the meeting point, get in touch with the operator immediately. Do not wait until after the tour has departed, as late arrivals are considered no-shows and are non-refundable.

Cancellation Policy

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) 426-8561.

A) Standard Bookings (1–10 Guests)

48 hours or more before the tour:
Full refund or free reschedule based on availability.

Between 48 and 24 hours before the tour:
50% refund; rescheduling based on availability.

Less than 24 hours before the tour:
Non-refundable. Any rescheduling request is solely at the discretion of management and subject to availability.

No-shows:
No refund and no reschedule under any circumstances.

B) Group Bookings (10+ Guests)

7 days or more before the tour date:
Full refund or free reschedule based on availability.

Less than 7 days before the tour date:
Non-refundable. Any rescheduling request is solely at the discretion of management and subject to availability.

This 7-day group policy supersedes the standard 48/24-hour cancellation timeline above.

C) Weather & Safety

If Mosquito Biobay Tours LLC cancels a tour due to unsafe weather, water, environmental, or operational conditions, guests may reschedule or receive a full refund.

All decisions regarding weather and safety cancellations are made solely by Mosquito Biobay Tours LLC in the interest of guest safety and overall tour quality.

D) Minimum Participant Requirement

Our tours require a minimum of 10 confirmed participants to operate. If the minimum requirement is not met, Mosquito Biobay Tours LLC reserves the right to reschedule guests to another available date or time, offer an alternative experience, or issue a refund at management’s discretion.

Whenever possible, we will always make every reasonable effort to accommodate guests on another available tour the same day in order to avoid inconvenience.

Guests will be notified as early as reasonably possible if adjustments are required.

E) Ferry Tickets & Transportation Responsibility

Guests are solely responsible for securing ferry tickets and arranging transportation to the meeting location.

Mosquito Biobay Tours LLC is not responsible for missed tours due to ferry unavailability, ferry delays, transportation issues, traffic, travel interruptions, or personal scheduling conflicts.

Failure to arrive on time for check-in will be considered a no-show and does not qualify for a refund or reschedule.

F) Refund Method

Approved refunds will only be issued to the original form of payment used during booking.

Refund processing times may vary depending on the guest’s financial institution or credit card provider.

G) Service Availability Acknowledgment

The tour service is considered rendered once it has been made available at the scheduled check-in time and designated meeting location.

Failure to attend, late arrival, transportation delays, ferry issues, weather concerns not resulting in an official cancellation by Mosquito Biobay Tours LLC, or personal circumstances do not constitute failure to provide service and do not qualify for refunds, disputes, or chargebacks.

H) Payment Disputes & Chargebacks

By completing a reservation with Mosquito Biobay Tours LLC, guests acknowledge that they have read, understood, and agreed to all policies stated above.

Guests agree not to initiate chargebacks or payment disputes for services that have been provided or made available according to the reservation terms.

Mosquito Biobay Tours LLC reserves the right to provide signed waivers, booking confirmations, communication records, attendance records, check-in logs, photographs, and related documentation as evidence in response to any payment dispute, fraudulent claim, or chargeback investigation.

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Availability

October 2026

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Reviews

4.3
(186)
4.3 (186)

Location

Address

279 Calle Flamboyan

Vieques, Vieques, 00765

PR

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