Puerto Rico · BIOLUMINESCENT BAY TOURS

The 15 Best Bioluminescent Bay Tours in Puerto Rico

31 tours  ·  from $55 a head

Three bays here glow, and the moon decides how well. These 15 cover the kayak trips out of Fajardo, the boats on Vieques and the La Parguera runs, with prices, how far you paddle, and a note on which nights are worth booking.

Bio Bay Kayak Tour in Fajardo - The one-mile paddle through the mangroves
Bio Bay Tours in Fajardo, Bioluminescent Bay Tours, Canoes & Kayaks, Kayak Tours in Fajardo, Tour Reviews, Tours, Tours in Fajardo

Bio Bay Kayak Tour in Fajardo

1.Bio Bay Kayak Tour in Fajardo

★★★★★★★★★★4.5 · 1,762 reviews · from $89Our pick

You’ll paddle a tandem kayak through dark mangrove channels from Las Croabas to Laguna Grande, guided by team members such as Miguel, Brian, Lori, and Francisco. At the lagoon, Pyrodinium bahamense plankton may glow around your hands and paddle. Expect a wet, active night with snacks, safety instruction, and a 240-pound per-person weight limit.

“You will be getting wet from the waist down. The sounds of the night life were amazing and our tour guide was very informative and funny!”

Check availability →Read our full review

Puerto Rico Bio Bay Kayak Adventure Tour - Why the mangrove canal is part of the appeal
Bio Bay Tours in Fajardo, Bioluminescent Bay Tours, Canoes & Kayaks, Kayak Tours in Fajardo, Tour Reviews, Tours, Tours in Fajardo

Puerto Rico Bio Bay Kayak Adventure Tour

2.Puerto Rico Bio Bay Kayak Adventure Tour

★★★★★★★★★★4.5 · 1,581 reviews · from $65

From Las Croabas in Fajardo, you paddle a double kayak through a mangrove canal to Laguna Grande. Guides explain the plankton, manage safety, and use tarps when moonlight is strong. Expect about two hours on the water, wet clothes, mosquitoes, and a natural glow that can vary.

“This was our second Bioluminescent bay trip, so we invited friends along. All had a great time watching the bioluminescence in the bay. We even had luminous jellyfish. Our guides William, Jason? and Jonathan were fantastic. We highly recommend this trip.”

Check availability →Read our full review

Bio Bay Kayak Tour in Fajardo - The one-mile paddle through the mangroves
Bio Bay Tours in Fajardo, Bioluminescent Bay Tours, Canoes & Kayaks, Kayak Tours in Fajardo, Tour Reviews, Tours, Tours in Fajardo

Bio Bay Kayak Tour in Fajardo

3.Bio Bay Kayak Tour in Fajardo

★★★★★★★★★★4.5 · 1,438 reviews · from $66

Join Pure Adventure in a tandem kayak for a two-hour paddle through Fajardo’s mangroves to Laguna Grande. Marine biologist guides such as David, Eli, Javier, Amary, and Catalina explain the glowing plankton, point out stars, and provide gear, snacks, water, and safety instruction. Expect darkness, wet clothes, and changing brightness.

“Get ready to do a little paddling. You will get wet but the mangrove river and bioluminescent lif is worth it.”

Check availability →Read our full review

Two-in-One Day Trip: El Yunque and Bio Bay Tour with Transport - Swimming, rock slides, and river jumps
1-Day Tours, Bio Bay Tours in San Juan, Bioluminescent Bay Tours, El Yunque Rainforest Tours, Tour Reviews, Tours, Tours in San Juan

Two-in-One Day Trip: El Yunque and Bio Bay Tour with Transport

4.Two-in-One Day Trip: El Yunque and Bio Bay Tour with Transport

★★★★★★★★★★5.0 · 1,216 reviews · from $183Top rated

Spend about 12 hours hiking, wading, sliding, and swimming in El Yunque before kayaking through mangroves to Laguna Grande. Guides such as Jami, Amauri, Bradley, Miguel, and Lori provide safety help and local insight. Pickup is offered from San Juan, Fajardo, and Luquillo, but dinner costs extra.

“This was the hardest most enjoyable thing I have done!! Our guides were fabulous. Even though I was scared, the guides made me feel safe and supported. What an awesome first time adventure!!”

Check availability →Read our full review

Bioluminescent Bay Kayak Trip from Vieques - The rough road and muddy launch
Bioluminescent Bay Tours, Canoes & Kayaks, Island Day Trips, Tour Reviews, Tours in Vieques

Bioluminescent Bay Kayak Trip from Vieques

5.Bioluminescent Bay Kayak Trip from Vieques

★★★★★★★★★★4.5 · 1,112 reviews · from $65

Paddle Mosquito Bay after dark in a clear or semi-clear-bottomed kayak while guides explain the glowing microorganisms, stars, and island ecology. The tour lasts about two hours, includes transport from 277 Calle Flamboyan, and caps the group at 14. You must stay overnight on Vieques.

“Great experience, between seeing the Bio Bay and all the stars, really amazing time! The road getting in and out is very bumpy, so be warned! You also have to go through mangroves while getting in and out of the kayaks, which stink, but its only for a little bit. Definitely something to do once!”

Check availability →Read our full review

Hike El Yunque Rainforest and Kayak Bio Bay Combo Tour - What the rainforest demands from you
Bio Bay Tours in San Juan, Bioluminescent Bay Tours, Canoes & Kayaks, El Yunque Rainforest Tours, Hiking & Trekking, Kayak Tours in San Juan, Tour Reviews, Tours, Tours in San Juan

Hike El Yunque Rainforest and Kayak Bio Bay Combo Tour

6.Hike El Yunque Rainforest and Kayak Bio Bay Combo Tour

★★★★★★★★★★4.5 · 1,010 reviews · from $172

Join a full-day trip from San Juan with guides such as Jason, Adriana, or George for a muddy El Yunque hike, rope swing, natural slides, and river swims. After lunch, paddle a two-person kayak through mangroves to Laguna Grande. It is active, wet, and long, with bioluminescence affected by weather and moonlight.

“This was a great hike! We had the tour guide Hannah and she did a phenomenal job of explaining what we were seeing in the rainforest, making sure everyone was safe and comfortable with the activities we were doing! The water activities were a lot of fun and the scenery was gorgeous. A must do tour in Puerto Rico.”

Check availability →Read our full review

Overnight Bio Bay Kayak Tour in Vieques Island - Getting to the meeting point in Esperanza
Bioluminescent Bay Tours, Canoes & Kayaks, Island Day Trips, Tour Reviews, Tours, Tours in Vieques

Overnight Bio Bay Kayak Tour in Vieques Island

7.Overnight Bio Bay Kayak Tour in Vieques Island

★★★★★★★★★★3.5 · 549 reviews · from $65

Meet at Trade Winds in Esperanza, ride by minivan to the BioBay, and paddle through mangroves as glowing microorganisms light the dark water. Guides such as Dillon, Deon, and Adel have led departures with clear safety help and lively explanations. The tour lasts about 90 minutes, but time on the water can feel short.

“The staff was friendly, they were a slightly late, but they were really nice. The experience is wonderful. It's absolutely beautiful, the kayak tour guide was very knowledgeable.”

Check availability →Read our full review

La Parguera Bio Bay Boat Ride and Swimming w/ San Juan Transport - The San Juan pickup turns a difficult outing into an easy one
Bio Bay Tours in San Juan, Bioluminescent Bay Tours, Cruises & Boat Tours, Tour Reviews, Tours in San Juan

La Parguera Bio Bay Boat Ride and Swimming w/ San Juan Transport

8.La Parguera Bio Bay Boat Ride and Swimming w/ San Juan Transport

★★★★★★★★★★4.0 · 534 reviews · from $54Best value

Travel from San Juan to La Parguera in an air-conditioned vehicle, then board a motorboat for 45 minutes to an hour on the protected bay. You may swim for about 20 minutes among glowing microorganisms, or stay aboard. Guides such as Juan, also called J.R., are known for sharing island history during the drive.

“This is magical, absolutely recommend. Book on a low or new moon night if you can. I’ve been twice and less moon definitely makes a difference.”

Check availability →Read our full review

Bioluminescent Bay Night Kayaking Adventure in Puerto Rico - Stirring the water in the glowing lagoon
Bio Bay Tours in Fajardo, Bioluminescent Bay Tours, Canoes & Kayaks, Kayak Tours in Fajardo, Tour Reviews, Tours in Fajardo

Bioluminescent Bay Night Kayaking Adventure in Puerto Rico

9.Bioluminescent Bay Night Kayaking Adventure in Puerto Rico

★★★★★★★★★★4.5 · 439 reviews · from $80

Paddle from Kayak Village through Fajardo’s mangrove channels to Laguna Grande with guides such as Pedro, Gary, Abel, Jesús, and Víctor. No kayaking experience is needed, but expect wet feet, mosquitoes, and a glow that can range from faint sparks to a memorable blue shimmer. Tarps help block moonlight.

“This is a MUST DO! There are only 5 places on earth to experience bioluminescence, this is one of them. Pedro and all the folks at Island Kayaking were quick to get us onboard and get to our kayaks. They were very informative and also made it fun with their humor. Really just do it, you’ve come all the way to Puerto Rico, this is a must do.”

Check availability →Read our full review

La Parguera Glowing Bioluminescent Bay Boat Tour from San Juan - A local meal before the boat
Bio Bay Tours in San Juan, Bioluminescent Bay Tours, Boat Charters, Cruises & Boat Tours, Tour Reviews, Tours, Tours in San Juan

La Parguera Glowing Bioluminescent Bay Boat Tour from San Juan

10.La Parguera Glowing Bioluminescent Bay Boat Tour from San Juan

★★★★★★★★★★4.5 · 314 reviews · from $220

Travel from San Juan to La Parguera with a guide such as George or Felix, stop for a local meal, watch the sunset from the water, and swim near the glowing dinoflagellates after dark. The small group, boat ride, bottled water, beer, and round-trip pickup make this an easy, full-day outing, but the drive takes about 2 hours 20 minutes each way.

“It is a must do!!! Once in a lifetime experience. Our guide George was amazing and very helpful!! Do not miss this.”

Check availability →Read our full review

Puerto Rico: Bio Bay Swim and Sunset Charter or Late night tour - From sunset to the glowing bay
Bio Bay Tours in San Juan, Bioluminescent Bay Tours, Boat Charters, Tour Reviews, Tours, Tours in San Juan

Puerto Rico: Bio Bay Swim and Sunset Charter or Late night tour

11.Bio Bay Swim and Sunset Charter or Late night tour

★★★★★★★★★★5.0 · 258 reviews · from $65

From Mareaito Charters in Lajas, you’ll visit a sandbar before sunset, then swim in La Parguera’s rare bioluminescent bay for about 30 minutes. Captains such as Ryan, Brian, Hector, Adriana, and Fiol may lead the trip. The boat holds no more than 13 people, and late-night departures skip the sunset stop.

“Amazing beautiful experience. The kids enjoyed it to the max. Kids were 8 & 12 yrs old. I enjoyed it as well. So did my best friend”

Check availability →Read our full review

Vieques island Biobay Kayaking Tour - Meeting at Gustitos al Grill in Esperanza
Bioluminescent Bay Tours, Canoes & Kayaks, Island Day Trips, Tour Reviews, Tours, Tours in Vieques

Vieques island Biobay Kayaking Tour

12.Vieques island Biobay Kayaking Tour

★★★★★★★★★★5.0 · 256 reviews · from $60

Paddle clear kayaks across Vieques’ Mosquito Bay, where dinoflagellates glow with every stroke. Alikei Adventures runs small groups of up to 12, with guides such as Alexis explaining the science, safety, and history. Plan an overnight stay, since evening ferry times make a same-day return difficult.

“What a great tour. It's fun. Something you'll never see unless you come here. The guide were funny and informative. Highly suggest”

Check availability →Read our full review

Bioluminescent Boat Tour in Mosquito Bay, Vieques - Watching the water light up
Bioluminescent Bay Tours, Boat Charters, Cruises & Boat Tours, Island Day Trips, Tour Reviews, Tours, Tours in Vieques

Bioluminescent Boat Tour in Mosquito Bay, Vieques

13.Bioluminescent Boat Tour in Mosquito Bay, Vieques

★★★★★★★★★★4.5 · 227 reviews · from $100

Ride a 24-foot electric catamaran into Mosquito Bay with a small group of up to nine. Use poles to stir the water and watch tiny organisms flash like stars. Guides such as Eddie explain the bay, fish, and night sky. The tour lasts about an hour and returns to the meeting point.

“Okay - Vieques was our favorite part but one reason why is Isla Nena Bio Bay Tours! The shuttle driver is a real pro navigating those crazy roads to the shore! This tour is the boat tour - because I am scared to kayak - and it was the most wonderful thing! My Galaxy did not take great pictures but it really glowed so beautifully! And then they brough a bucket of water up in the boat and we stuck our hand in and when you cup the water, it literally looked like diamonds sparkling in your hands! It was soo dark - you could see soo many stars! And…”

Check availability →Read our full review

Puerto Rico Sunset Magic: Bio Bay Kayaking Tour from Fajardo - Entering Laguna Grande after sunset
Bio Bay Tours in Fajardo, Bioluminescent Bay Tours, Canoes & Kayaks, Kayak Tours in Fajardo, Tour Reviews, Tours, Tours in Fajardo

Puerto Rico Sunset Magic: Bio Bay Kayaking Tour from Fajardo

14.Puerto Rico Sunset Magic: Bio Bay Kayaking Tour from Fajardo

★★★★★★★★★★5.0 · 199 reviews · from $66

From Kayak Village in Fajardo, you paddle a tandem kayak through mangroves into Laguna Grande with guides such as Javier, Javy, and Eli. Expect sunset, wildlife, dark water, possible rain, mosquitoes, and a tarp-assisted look at bioluminescence. The tour lasts about two hours and suits children six and older who can paddle independently.

“6pm tour was great to be able to see all the nature before the sun went down and the tour guides were amazing”

Check availability →Read our full review

Bio Bay Magic and Rum Tasting Tour from San Juan - Crossing the Cayey mountains from San Juan
Bio Bay Tours in San Juan, Bioluminescent Bay Tours, Food & Drink, Rum & Distillery Tastings, Tour Reviews, Tours, Tours in San Juan

Bio Bay Magic and Rum Tasting Tour from San Juan

15.Bio Bay Magic and Rum Tasting Tour from San Juan

★★★★★★★★★★4.5 · 152 reviews · from $250

From San Juan, ride through the Cayey mountains to Ponce for barrel rum tasting, then continue to La Parguera for tacos, a sunset boat ride, and a swim in glowing bioluminescent water. Guides such as Steven and Cruz are known for sharing island history along the long drive. Expect about 9 to 10 hours, hotel pickup, and a small group of up to 15.

“It was wonderful… both the Rum tasting and the boat ride to see the bioluminescence water formations!!”

Check availability →Read our full review

New in Bioluminescent Bay Tours

★ 4.5Biobay Vieques Tour Kayak Night TourFrom $6035 reviews
★ 5.0Puerto Rico’s Only Private, VIP & Filmed Bio Bay Swim ExperienceFrom $42948 reviews
★ 5.0La Parguera Private Boat CharterFrom $20051 reviews
★ 5.0La Parguera Boat Charter with Captain: Kayak & SnorkelFrom $7535 reviews
★ 4.0Bioluminescent Bay Night Kayaking, FajardoFrom $7945 reviews
★ 4.0Bio Bay Night Kayak Tour in FajardoFrom $8546 reviews
★ 4.5Unforgettable One Day Bioluminescent Kayak Adventure in ViequesFrom $6076 reviews
★ 5.0Bioluminescent Bay Chiliboats Waterbike Tour in La PargueraFrom $7960 reviews
★ 4.5Fajardo Bioluminescent Bay Night Kayak Adventure from San JuanFrom $10967 reviews
★ 4.5Bio Bay Tour Vieques – Full Clear Canoes ExperienceFrom $5789 reviews

Keep browsing

Canoes & Kayaks27Bio Bay Tours in San Juan13Bio Bay Tours in Fajardo8Tours in Vieques7Tours in Fajardo49
Scroll to Top

Explore Puerto Rico

Pick a coast, a forest trail or a dance floor.

In the forest

El YunqueWaterslidesCaves & WaterfallsZip LinesHiking

On the water

SnorkellingIsland DaysCatamaransPrivate BoatsDiving

After dark

Bio BaysSalsa ClassesRum TastingsFood ToursCity Tours

In the old city

Old San JuanWalking ToursHistory WalksBeach DaysHorse Riding