At nightfall, pedal gently across La Parguera’s famous bioluminescent bay on stable Chiliboat waterbikes and watch the water light up beneath your feet. This guided nighttime experience reveals one of Puerto Rico’s rare glowing ecosystems in a calm, eco-friendly way that feels both peaceful and unforgettable.
This 90-minute guided tour takes place in the protected waters of La Parguera, near the town of Lajas on Puerto Rico’s southwest coast. After meeting your guide and receiving a short safety briefing, you’ll settle into a comfortable, catamaran-style waterbike designed for balance and ease. No prior experience is needed. The pedaling is gentle, allowing you to relax and focus on the surroundings as the group glides away from shore.
As darkness settles in, the real magic begins. With every movement of the water, microscopic organisms create flashes of natural blue-green light, glowing beneath the surface like liquid stars. Each pedal stroke, ripple, or gentle splash brings the bay to life. Guides explain how this phenomenon works and point out the best ways to see the glow while protecting the environment.
The atmosphere is quiet and immersive. Above you, the night sky stretches wide. Around you, the bay shimmers with light. You’ll have time to slow down, take in the scene, and fully appreciate this rare natural wonder without crowds or noisy motors.
The return ride is unhurried, giving you a final chance to enjoy the glowing water before reaching shore. It’s an experience that blends nature, science, and serenity, leaving you with a vivid memory of Puerto Rico after dark.
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.
