Hotel pickup
$145 per person
We collect you, you paddle, we drive you back.
- Air-conditioned ride both ways
- Pickup time set after you book
- Lesson, guide and snacks included
Bioluminescent kayaking on Laguna Grande, about two hours after dark. Ride with us from your San Juan hotel, or meet us in Las Croabas.
Cancel free until 24 hours ahead.
Tonight's skySee the darkest nights on the moon calendarEssential Details
No car? Choose the $145 option and a driver collects you at your hotel in Fajardo, Luquillo, Rio Grande or San Juan, then brings you home after the paddle. Have wheels? Pay $85 and meet us at Kayak Village. By road it is about an hour, 50 to 90 minutes depending on traffic and where in San Juan you start.
$145 per person
We collect you, you paddle, we drive you back.
$85 per person
Drive to Kayak Village and check in with your guide.
Both departures run every evening of the year. A darker sky makes the glow pop, so tap a date to see its moon.
Our Fajardo bio bay kayak tour is night kayaking with a coach, around two hours start to finish. You check in at Kayak Village in Las Croabas, practice strokes on land, then follow your guide through a narrow mangrove channel into Laguna Grande. Out on the dark lagoon, each pull of the paddle throws off blue-green light.
Be there at your booking time, which our tour-day text confirms. Kayaks hit the water about 30 minutes later.
Forward, back, steering and safety, covered before anyone climbs in.
Single file behind your guide. The early departure still has a bit of daylight here.
Every pull sparks blue-green, and your guide explains what is lighting up.
Stop paddling, float, and drag your fingers through the sparkles.
Retrace the channel to Kayak Village, where snacks and cold drinks wait.





Laguna Grande is a mangrove-lined lagoon in Fajardo, protected inside the Las Cabezas de San Juan reserve, and one of three bays in Puerto Rico that glow all year. The light comes from Pyrodinium bahamense, a microscopic plankton that flashes when disturbed, so it trails your paddle, your fingertips and the nose of your kayak.
Curious how it really looks? See what to expect at the bio bay and why the water glows.
Great operation and experience! All 4 guides were fun, professional, and experienced. We went on a full moon night, so knew our chances of seeing the bioluminescence was unlikely, but the guides brought a large tarp that went over the entire group, blocking out all the light so we could see the bioluminescence perfectly! Kayaking through the mangroves at night would have been fun enough in its own right, but getting to see the bioluminescence when we weren't expecting to was even better.
What a great experience! We are vacationing in Puerto Rico with our two teenage kids (18 and 16) and they loved it as well. Our guide, Felix, was energetic, informative and entertaining. You get into your kayak and go through a channel - it is DARK! You arrive at a large lagoon after about 1.5 miles of kayaking. They brought a large tarp so that we could all put it over us, which made the viewing much better. You will get wet just from paddling and water getting into the kayak, so bring a dry change of clothes for the way home. A definite must do while in Puerto Rico!
Easy process, professional and fun tour guides.
Couples, families whose kids are 6 or older, and people who have never sat in a kayak are a great fit for this bio bay tour in Fajardo. Your ticket covers a double kayak, paddle and life vest, the lesson on land, a guide beside you the whole time, and snacks with cold drinks afterward. Each guest can weigh up to 102 kg (225 lbs).
Traveling with children? Read the bio bay with kids.
More tips in what to wear to the bio bay.
Yes. Nobody needs paddling experience: before launch, your guide teaches forward strokes, steering and safety on land, then stays with the group the entire time on the water. Each kayak holds two, so partners split the effort. Children 6 and older are welcome on the Fajardo bio bay tour too.
It costs $85 per person when you drive to Las Croabas and $145 per person with the hotel pickup option, which serves Fajardo, Luquillo, Rio Grande and San Juan. Either price covers your double kayak, paddle, life vest, the lesson on land, a guide and snacks once you are back.
No ticket office exists at Laguna Grande: your reservation with us is the ticket. Send your date and group size by WhatsApp or call (787) 209-2127, and we confirm your spot and check-in time. Prices are $85 per person, or $145 with pickup. Our bio bay tour cost guide budgets the whole night.
Yes, choose the $145 pickup option. A driver collects you at your hotel in Fajardo, Luquillo, Rio Grande or San Juan, gets you to Kayak Village in time for check-in, and takes you home afterward. It runs with both departures. For drive times and rideshares, see our bio bay from San Juan guide.
It starts in the evening, with two departures that track sunset. Early tour check-in runs from 5:00 to 6:00 PM and late tour check-in from 7:00 to 8:00 PM, depending on the season. Treat your booking time as your check-in time: kayaks launch about 30 minutes after, and a text on tour day confirms the exact time.
We suggest the early departure. You glide through the mangrove channel while a little daylight lingers, so the ride in becomes a highlight of its own, and the lagoon is dark by the time you reach it. The late departure is night from the first stroke. Both show you the glow.
Plan on roughly two hours from check-in to snacks. That time covers the lesson on land, the mangrove channel, drifting on the glowing lagoon and the paddle home. Departures run every evening of the year, two per night, and both are timed to sunset in Fajardo.
Six is the minimum age. Each child rides in a double kayak with an adult from the same group, one grown-up per child, and kids should be able to sit steadily and paddle. Traveling with more kids than adults? Message us on WhatsApp first and we will work out the seating with you.
Yes. Every guest must weigh 102 kg (225 lbs) or less, a limit that keeps double kayaks stable on every departure. We also do not recommend the paddle during pregnancy or with back or heart conditions. Questions about either one? Ask us on WhatsApp before booking and we will gladly talk it through.
Yes, the lagoon glows through every moon phase. On bright nights the group gathers under a large tarp our guides carry, which shuts out the moonlight so the blue-green flashes stand out. If your dates have some give, use the moon calendar on this page to find the darkest evening of your stay.
On land at Kayak Village, your guide shows you how to hold the paddle, move forward, turn and stop, then talks through safety and the route. Everyone gets fitted with a life vest, the group launches together, and the guide stays alongside the kayaks from the mangrove channel to the lagoon and back.
Yes, from your seat. Guests stay in their kayaks for the whole tour, and dipping a hand over the side is one of the best moments: the water sparks around your fingers. Laguna Grande is a protected reserve, so the kayak is your viewing spot. Keep your phone in a dry pouch.
Expect some splashes. Paddle drips land in the kayak, so wear quick-dry clothes and water shoes or strap sandals, and pack dry clothes for the trip home. Add insect repellent, drinking water and a dry pouch for your phone. Leave jewelry at your hotel; we supply the kayak, paddle and life vest.
Our Fajardo tour is a kayak paddle, made easy for beginners by the lesson on land. Prefer to watch from a boat? The La Parguera sunset boat and bio bay tour on the southwest coast suits you, with no minimum age. It runs on select nights each month, from $169 per person.
Pick by where you sleep. Laguna Grande in Fajardo works for San Juan and east coast stays, with nightly departures and hotel pickup. Mosquito Bay sits on the island of Vieques and suits guests spending the night there, since there is no same-day ferry back after the tour. Each starts at $85.
Yes. Cancel at no charge until 24 hours before your check-in. If unsafe weather makes us call off a departure, your money comes back in full. Want a different night instead? Send us a WhatsApp message or call (787) 209-2127 and we will move your booking to a date that works.
Tell us your date on WhatsApp, with or without pickup, and we will hold your spots. Cancel free until 24 hours ahead.