As evening settles over Puerto Rico’s southwest coast, you’ll head out onto the calm waters of La Parguera for a nighttime adventure that feels quietly extraordinary. Seated on a stable, easy-to-use Chiliboat waterbike, you’ll pedal at an unhurried pace into one of the island’s most famous natural attractions: a glowing bioluminescent bay that comes alive after dark.
This 90-minute guided experience begins with a brief orientation and safety overview before you launch into the protected reserve. The waterbikes are designed for comfort and balance, making the ride accessible even if you’ve never done a water activity at night. As you move farther from shore, artificial lights fade, and the surroundings grow still, creating the perfect setting for what’s to come.
Once you reach the bioluminescent zone, each movement triggers a response from microscopic organisms in the water. The surface begins to shimmer with blue-green light, swirling around the pedals and glowing with every gentle splash. It feels almost unreal, like riding through liquid light. Your guide explains the science behind the phenomenon and helps you notice how moon phases, water conditions, and motion affect the glow's intensity.
There’s time to slow down and simply be present. You’ll float quietly under the night sky, watching the water illuminate beneath you while the bay remains peaceful and uncrowded. The absence of loud motors and heavy traffic makes the experience feel intimate and immersive.
The return journey is relaxed, offering a final look at the glowing water before reaching shore. This tour combines natural wonder, light activity, and thoughtful guidance into a memorable way to experience Puerto Rico after sunset.
What's Included
Chiliboats, USCG-certified life jacket and whistle.
English, Spanish Guide and languages
Transportation to the meeting point.
Gratuities
Frequently Asked Questions
What is the total duration of the tour?
The experience lasts approximately 90 minutes from check-in to return, including the safety briefing, guided ride into the bay, time in the bioluminescent area, and the return paddle.
Do I need previous experience to join this tour?
No experience is required. The Chiliboat waterbikes are stable and easy to use, and the pedaling is gentle. Guides provide instructions before departure and remain with the group at all times.
How strong is the bioluminescence, and is it guaranteed?
Bioluminescence is a natural phenomenon that varies with moon phase, weather, and water conditions. While the glow cannot be guaranteed, the bay consistently shows visible light under suitable conditions.
Is this tour suitable for children and families?
Yes, the tour is family-friendly for children who meet the minimum age and height requirements. All participants must be able to sit securely, follow instructions, and wear a life jacket for the duration of the tour.
What should I wear and bring with me?
Wear comfortable clothes that can get wet and closed-toe water shoes or sandals with straps. It’s recommended to bring insect repellent, a towel, and a change of clothes. Personal items should be kept to a minimum and secured.
Know Before You Book
Minimum Age: 10 years old • Maximum Age: 75 years old
Not recommended for travelers with spinal injuries
Not recommended for pregnant travelers
Not recommended for travelers with poor cardiovascular health
Travelers should have at least a moderate level of physical fitness
Not recommended for individuals with claustrophobia, panic attacks, or fear of darkness. Please seek authorization from your doctor if necessary.
Please note that the brightness of the bioluminescence is influenced by environmental factors and is most spectacular near the New Moon phase.
Punctual Departures: Arrive at the meeting point 30 minutes early to ensure parking, comply with safety protocols, and complete the boarding process. We won't be able to assist you if you arrive at or after the reserved time. Spaces are reserved for you, and arriving late will be considered a "No Show". Reserved spaces won't be reassigned, and the full fee will be charged.
Weight Limits: The tour is conducted on a double Chiliboat. To ensure everyone's safety, it is important that individual weight does not exceed 250 pounds, and combined weight of two people on a Chiliboat must not exceed 450 pounds. Before each tour, we will conduct weight checks. If someone in your group exceeds these limits, unfortunately, will NOT be able to participate, and will NOT receive refund. Share this information with all members of your group to avoid any inconveniences.
Height Requirements: Minimum height: 4'6" (54 inches) (1.37 m), Maximum height: 6'5" (77 inches) (1.96 m).
Prohibited Actions: Removing the life jacket, jumping into the water, and colliding with others. The person making the reservation is responsible for negligent damage to the unit or units. Smoking or consuming alcohol or drugs is not allowed. For your safety, that of other participants, and our staff, if we notice that someone is under the influence of the aforementioned substances, we will be forced to prohibit their participation in the activity. No refund will be provided.
Our photos are 100% organic, without the use of filters, taken by us with an iPhone 14 Pro Max.
Know before you go In the Caribbean, brief showers are common, but tours proceed as scheduled. The decision to cancel or continue will be made at the meeting point based on the route leader’s experience. You must present the ID and credit card used for the reservation. Both must match for verification. The person making the reservation is responsible for informing everyone about arrival time and requirements. Dark nights are optimal for viewing! The closer it is to the New Moon phase, the more intense the bioluminescence will be. You can check our reservation calendar and select your preferred day. Bioluminescence is a natural phenomenon, so we cannot guarantee the intensity of your experience. However, we strive to set accurate expectations for our guests. The intensity of bioluminescence depends on various climatic factors such as sediment carried by rain, tides, moon phases, sunlight, and other natural elements beyond our control.
Important: There are no restroom facilities available as we are in a natural reserve. Please plan accordingly to ensure your comfort during the tour.
You must present identification and the credit card used for the reservation. Both must match for verification during confirmation. The person making the reservation is responsible for informing all their companions about the arrival time, requirements, and all pertinent information for the excursion.
Swimming is not permitted by order of the Department of Natural Resources (Regulation No. 2023-02 and Regulation 8013).
We reserve the right of admission.
Your tour costs are refundable if canceled 24 hours before the tour departure. If booking using the Book Now, Pay Later option, the 5% deposit is non-refundable under all circumstances.
