Fajardo bio bay tours
Discover the glowing waters of Laguna Grande, the easiest bio bay to access from San Juan
Glide through the glowing waters of Laguna Grande on a guided night kayak adventure that explores the biology, ecology, and cultural history of Las Cabezas de San Juan Natural Reserve.
Led by U.S. Coast Guard–licensed guides with first aid and CPR certification, the tour includes a thorough kayak safety orientation and uses quality tandem kayaks and safety gear.
Experience the tranquility of night paddling, watch bioluminescence illuminate your wake (when conditions allow), and finish ashore with snacks and water for a memorable eco‑adventure suitable for families and beginners.
Additional Info
Check-in details
Arrive at the meeting point (Puerto Rico Bio Bay Tours llc, Las Croabas Blvd) 15 minutes early to find parking and check in. Late arrivals over 10 minutes may forfeit participation and payment. Use the provided Google Maps link for directions.
What to bring
- Change of clothes
- Towel
- Water shoes
- Long-sleeved lightweight clothing that can get wet
Special requirements
Participants 12 years and under must be in the same kayak with an adult. Participants 13–17 years old require an accompanying adult who completes a waiver for them. Maximum weight per person: 230 pounds; guests may be weighed at site if weight is questionable. Must speak and understand English or Spanish.
Restrictions
Pregnant women are not allowed. Guests with back, neck, shoulder problems, recent surgeries, severe asthma, epilepsy, heart conditions, dizziness, motion sickness, or severe allergic reactions to mosquitoes or sulfur from sargassum are not allowed. Anyone under the influence of alcohol or drugs that impair safety is not permitted. Swimming is not permitted in Laguna Grande per Reglament 8013. No white lights are permitted within the bay.
Disclaimers
Bioluminescence visibility fluctuates and depends on temperature, rainfall, cold fronts and moon phase; visibility is typically lower November–March and very low to none on full moon nights. Weather forecasts (50%+ chance of storms or winds over 15 knots) may result in cancellations. The tour focuses on seven ecosystems, flora, fauna, ecology, history and cultural aspects of the reserve. Operators practice leave-no-trace procedures.
Itinerary
- Arrival and check-in at Las Croabas (arrive 15 minutes early recommended).
- Group waivers, insect repellent, kayak 101 safety briefing, lifejacket fittings and safety lights (approx. 45 minutes).
- Shore-to-shore guided kayak tour in water (approx. 2 hours).
- Return to shore for snacks, cold water and closing comments (approx. 15 minutes).
What's Included
- Double kayaks and backrests
- Paddles with leashes
- Lifejackets (PFDs) in sizes from children to adults with fittings
- All needed safety equipment
- Navigation and marker lights
- Professional guides with U.S. Coast Guard navigation license and Red Cross First Aid & CPR certificates
- Kayak 101 safety training
- Water and light snacks at the end of the tour
- Botanical insect repellent (DEET‑free)
- Safe storage of personal items during the tour
- Access to public bathrooms at Parque Pasivo Las Croabas
- Public parking (first come, first served)
What's Not Included
- Transportation to meeting point unless group service of 10+ purchased
- Gratuities/tips not included and are at guest discretion
- Swimming (not permitted in Laguna Grande)
From $68 per person
Free Cancellation
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Bio bay tours sell out quickly
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WHAT GUESTS SAY
FAQ
How far is Fajardo from San Juan?
Fajardo and Laguna Grande is about an hour away from San Juan by car. If you don’t have a car, be sure to book the tour that includes transportation.
How do I know when a tour is available?
If you click “book now” on the tour of your choice, and start the booking process you will be able to see how many spots are available on each tour. If there is limited availability, the number of spots left will appear after you select your preferred date.
When is the best time to go on a Bio Bay Tour?
Bio bays are visible year round in Puerto Rico, but the best time to see their glow is during the dry season (December - March) on a moonless or cloudy night.
Is transportation available from San Juan?
Yes! You can book a tour with transportation from the San Juan area by following this link: Click here.
Is there a weight limit?
Yes, weight limits vary depending on the provider. Generally the limit is 480lbs total weight per kayak OR 280lbs per person.
What's your cancellation policy?
Cancellation policies vary from tour to tour. You can find details in the tour description, but generally 24 to 48 hours notice is required.