Snacks And Repellent Included
Two hours on the water with Kayaking Puerto Rico, kayaking Laguna Grande, rated 4.7 across 2176 reviews.
Check availability
Bioluminescent Bay Tours Puerto Rico: Kayak, Boat And Swim Options
24 tours across Puerto Rico's three bioluminescent bays.
- $54.99lowest per-person from-price on the roster
Bio Bay Kayak Tour in Fajardo
from $89 per person
Check Price & Availability →Opens the operator's official listing with live dates. Book there; nothing is charged on this site.
- Duration
- 2 hours
- Cancellation
- Cancel without charge any time before 24 hours of departure and receive a full refund, per the booking terms.
- Run by
- Kayaking Puerto Rico
Bioluminescent Bay Tours Puerto Rico By The Numbers
3
Bio bays · Mosquito Bay (Vieques), Laguna Grande (Fajardo) and La Parguera (Lajas), per Discover Puerto Rico
1 of 3
Bays you can swim in · La Parguera only, on most nights; swimming is not permitted at Mosquito Bay or Laguna Grande (Discover Puerto Rico, Sept 2026 guide)
up to 700,000
Dinoflagellates per gallon · Mosquito Bay, the Guinness World Records brightest bioluminescent bay (4.5 litres of water)
$55
Tours from · USD per person, lowest listing from-price among the 24 tours on this site; that one varies by group size
40 minutes to 12 hours
Trip length · a 40 minute pontoon or catamaran ride at Mosquito Bay up to the 12 hour El Yunque plus bio bay day from San Juan
1 to 1.25 hours
Drive from San Juan to Fajardo · Discovering Puerto Rico bio bay guide, Sept 2026; La Parguera is about 2 hours by road (tour listings)
Bioluminescent Bay Tours Puerto Rico By Bay
Laguna Grande, Fajardo
Yokahu Kayak, Green Tent Check-In
Yokahu Kayak Trips runs this two-hour night paddle on Laguna Grande, rated 4.6 across 1821 reviews.
Check availabilityMosquito Bay, Vieques
2 Hours, Transport To Bay
Vieques Kayaks Bio Bay runs this two-hour paddle on Mosquito Bay, rated 4.5 across 1242 reviews.
Check availability
Clear Kayaks, Van Ride To Bay
Alikei Adventures guides this hour and a half kayak tour on Vieques, rated 4.8 across 491 reviews.
Check availabilityLa Parguera boats
Sunset Sandbar, Bay Swim
Mareaito Charters runs this two-hour evening cruise out of La Parguera, rated 4.8 across 573 reviews, with time on the water as the sun sets and a pass through the bioluminescent bay after dark.
Check availabilityFrom San Juan, with transport
El Yunque Hike, Night Kayak Combo
This 12-hour day pairs a guided hike through El Yunque rainforest with an after-dark kayak paddle on a bioluminescent bay, transport from San Juan included, rated 4.7 across 1020 reviews.
Check availability
Budget Fare, Boat And Swim
A motorboat trip with a swim stop at La Parguera, with transport from San Juan.
Check availabilityNarrow The Bioluminescent Bay Tours Puerto Rico List To Your Night
Showing five of the best-reviewed options as a starting point. Answer any question above and the list rebuilds.
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Compare Every Bioluminescent Bay Tours Puerto Rico Option
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All 24 tours, most reviewed first. Tap a sort chip twice to flip the order.
| Tour | Length | Meets | From | Rating | Book |
|---|---|---|---|---|---|
| Snacks And Repellent IncludedKayaking Puerto Rico | 2 hours | Las Croabas fishing village, Fajardo | $89 | ★ 4.72,176 reviews | Check availability |
| Yokahu Kayak, Green Tent Check-InYokahu Kayak Trips, Inc. | 2 hours | Las Croabas fishing village, Fajardo | $67 | ★ 4.61,821 reviews | Check availability |
| Tandem Kayaks, On-Site Weigh-InPure Adventure Corp. | 2 hours | Las Croabas fishing village, Fajardo | $69.13 | ★ 4.61,649 reviews | Check availability |
| 2 Hours, Transport To BayVieques Kayaks Bio Bay | 2 hours | Calle Flamboyan, Esperanza (malecon street) | $65 | ★ 4.51,242 reviews | Check availability |
| El Yunque Hike, Night Kayak ComboBespoke Lifestyle Management | 12 hours | El Yunque National Forest Visitor Center | $179.65 | ★ 4.71,020 reviews | Check availability |
| Budget Fare, Boat And SwimCaribbean Breeze Adventures | 9 hours | Restaurante El Karacol, La Parguera (XXF2+9JX) | $54.99 | ★ 4.0717 reviews | Check availability |
| Hotel Drop-Off IncludedBespoke Lifestyle Management, Inc. | 5 hours | Old San Juan (Plaza Colon) | $110 | ★ 4.1606 reviews | Check availability |
| Sunset Sandbar, Bay SwimMareaito Charters LLC | 2 hours | Mareaito Charters dock, La Parguera | $65 | ★ 4.8573 reviews | Check availability |
| Snacks Included, Tarp For GlowIsland Kayaking Adventure | 1 hour 30 minutes | Las Croabas fishing village, Fajardo | $89 | ★ 4.3529 reviews | Check availability |
| Clear Kayaks, Van Ride To BayAlikei Adventures | 1 hour 30 minutes | Sun Bay Beach entrance, Esperanza (3GXM+X33) | $60 | ★ 4.8491 reviews | Check availability |
| Wheelchair Accessible KayakPeniel Access Eco Tours | 2 hours | Las Croabas fishing village, Fajardo | $65 | ★ 4.4310 reviews | Check availability |
| Full Clear CanoesAdventure Vieques Beach and Night Trips | 1 hour 30 minutes | Esperanza, Vieques | $57 | ★ 4.4309 reviews | Check availability |
| 1 Hour, Swim OptionalJoytourspr | 1 hour | Joy Tours dock, La Parguera | $75 | ★ 4.6295 reviews | Check availability |
| 3 Hours, Full Moon OptionPuerto Rico Bio Bay Tours LLC | 3 hours | Las Croabas fishing village, Fajardo | $85 | ★ 4.6274 reviews | Check availability |
| 40-Minute Pontoon BoatIsla Nena Bio Bay Boat Tours | 40 minutes | Sun Bay Beach entrance, Esperanza (3GXM+X33) | $85 | ★ 4.4262 reviews | Check availability |
| Island Journeys Full-Day ComboIsland Journeys | 12 hours | El Yunque National Forest Visitor Center | $184 | ★ 4.7244 reviews | Check availability |
| Vieques Ferry Day, Light SnacksI VENTURES Tours, Yacht and Boat Rentals | 11 hours | Hyatt Place San Juan (first shuttle stop, Vieques day trip) | $230 | ★ 4.6226 reviews | Check availability |
| Rum Tasting, Tacos, Sand BarBorikua Tours | 9 hours | Old San Juan (Plaza Colon) | $250 | ★ 4.7211 reviews | Check availability |
| 5-Hour Day, Pickup IncludedPuerto Rico Access Eco Tours | 5 hours | Old San Juan (Plaza Colon) | $125 | ★ 4.3151 reviews | Check availability |
| 4 Hours With PickupPeniel Access Eco Tours | 4 hours | Old San Juan (Plaza Colon) | $125 | ★ 4.4136 reviews | Check availability |
| Appetizers Included, Swim StopBespoke Lifestyle Management, Inc. | 9 hours | Old San Juan (Plaza Colon) | $199 | ★ 4.8116 reviews | Check availability |
| Clear Kayak, 2 HoursSalty Spirit | 2 hours | Calle Flamboyan, Esperanza (malecon street) | $112 | ★ 4.7108 reviews | Check availability |
| Snacks And Water IncludedAventuras Tropicales LLC | 1 hour | Playa Punta Papayo, Lajas (XXFC+5V) | $80 | ★ 4.762 reviews | Check availability |
| Electric Catamaran, 40 MinutesBorikua Tours | 40 minutes | Sun Bay Beach entrance, Esperanza (3GXM+X33) | $105 | ★ 4.554 reviews | Check availability |
| No tours match those filters. Try clearing the duration filter or picking another bay and the full list will return. | |||||
Bioluminescent Bay Tours Puerto Rico Month By Month
What reviewers reported on the water
Bay and tour
- Reported or just starting
- Present
- Building or consistent
- Common or peak
- Not named
- This month
January
What reviewers reported on the water: No roster review in the fetched sample describes glow strength
February
What reviewers reported on the water: "There was a nearly full moon so I didn't think I would see any of the bioluminescence but our guide knew what he was doing." Bay and tour: Laguna Grande, Puerto Rico Bio Bay Tours (Feb 1, 2026)
March
What reviewers reported on the water: No roster review in the fetched sample describes glow strength
April
What reviewers reported on the water: "Unfortunately we didn't have a big show for Bioluminescent" Bay and tour: Laguna Grande, from San Juan kayak (Apr 12, 2026)
May
What reviewers reported on the water: "Unfortunately, the bioluminescence was only around 10–15% when we went, but we already knew beforehand that this wasn’t the best season for the plankton to glow at full intensity." Bay and tour: Laguna Grande, from San Juan kayak (May 7, 2026)
June
What reviewers reported on the water: "Because it was closer to new moon, the sky was covered with stars and the water was glowing beautifully every time we touched it." Bay and tour: Mosquito Bay, Salty Spirit clear kayak (Jun 23, 2026)
July
What reviewers reported on the water: "Unfortunately because of sargassum there was no bioluminescence on our trip" and, on another night, "The bioluminescence was so bright the night we went" Bay and tour: Laguna Grande (Jul 19, 2026) and La Parguera (Jul 9, 2026)
August
What reviewers reported on the water: No roster review in the fetched sample describes glow strength
September
What reviewers reported on the water: "They lit up for us a lot!" Bay and tour: La Parguera, from San Juan boat tour (Sep 6, 2026)
October
What reviewers reported on the water: No roster review in the fetched sample describes glow strength
November
What reviewers reported on the water: No roster review in the fetched sample describes glow strength
December
What reviewers reported on the water: No roster review in the fetched sample describes glow strength
Open the full monthly table
| Month | What reviewers reported on the water | Bay and tour |
|---|---|---|
| January | No roster review in the fetched sample describes glow strength | |
| February | "There was a nearly full moon so I didn't think I would see any of the bioluminescence but our guide knew what he was doing." | Laguna Grande, Puerto Rico Bio Bay Tours (Feb 1, 2026) |
| March | No roster review in the fetched sample describes glow strength | |
| April | "Unfortunately we didn't have a big show for Bioluminescent" | Laguna Grande, from San Juan kayak (Apr 12, 2026) |
| May | "Unfortunately, the bioluminescence was only around 10–15% when we went, but we already knew beforehand that this wasn’t the best season for the plankton to glow at full intensity." | Laguna Grande, from San Juan kayak (May 7, 2026) |
| June | "Because it was closer to new moon, the sky was covered with stars and the water was glowing beautifully every time we touched it." | Mosquito Bay, Salty Spirit clear kayak (Jun 23, 2026) |
| July | "Unfortunately because of sargassum there was no bioluminescence on our trip" and, on another night, "The bioluminescence was so bright the night we went" | Laguna Grande (Jul 19, 2026) and La Parguera (Jul 9, 2026) |
| August | No roster review in the fetched sample describes glow strength | |
| September | "They lit up for us a lot!" | La Parguera, from San Juan boat tour (Sep 6, 2026) |
| October | No roster review in the fetched sample describes glow strength | |
| November | No roster review in the fetched sample describes glow strength | |
| December | No roster review in the fetched sample describes glow strength |
Fajardo, Vieques Or La Parguera: How The Three Bays Compare
| Laguna Grande (Fajardo) | Mosquito Bay (Vieques) | La Parguera (Lajas) | |
|---|---|---|---|
| Brightness | Technically a lagoon reached by a mangrove channel; a classic kayak bio bay | The brightest: Guinness World Records, up to 700,000 dinoflagellates per gallon | Boat and swim tours; no brightness ranking is published by the sources used, so check recent reviews for glow strength |
| Swimming | Not permitted | Not permitted | Generally permitted on most nights, subject to conditions and operator rules |
| Motorised boats at night | Kayak tours only on this site; La Parguera is the only bay that permits motorboats at night | No motorboats at night; the tours here use kayaks, clear canoes, a pontoon boat and an electric catamaran | Yes: the only bay where motorboats are permitted at night |
| Getting there | About 1 to 1.25 hours by car from San Juan; pickup tours available | Ferry from Ceiba or a flight, plus a night on Vieques | About 2 hours by road from San Juan; van tours available |
| Formats on this site | Kayak (6 tours, plus 4 from San Juan) | Kayak, clear kayak, clear canoe, pontoon, electric catamaran (6 tours + 1 day trip from San Juan) | Boat with swim (3 tours + 3 from San Juan) |
| Lowest from-price on this site | $65 | $57 | $65 direct; $54.99 on a San Juan van trip (price varies by group size) |
Where Bioluminescent Bay Tours Puerto Rico Launch
Loading the map. Every place is also listed below.
Map tiles and place names: © OpenStreetMap contributors
Bays
- Snacks And Repellent Includedfrom $89
- Yokahu Kayak, Green Tent Check-Infrom $67
Launch Points
- Snacks And Repellent Includedfrom $89
- Tandem Kayaks, On-Site Weigh-Infrom $69.13
Areas
- Snacks And Repellent Includedfrom $89
- Yokahu Kayak, Green Tent Check-Infrom $67
Transport
- 2 Hours, Transport To Bayfrom $65
- Clear Kayaks, Van Ride To Bayfrom $60
- Mosquito Bay (Puerto Mosquito), ViequesBays
- Laguna Grande, Las Croabas, FajardoBays · 36 km from Mosquito Bay (Puerto Mosquito), Vieques in a straight line
- La Parguera Bioluminescent Bay (village centre), LajasBays · 169 km from Mosquito Bay (Puerto Mosquito), Vieques in a straight line
- Kayak Village, Las Croabas, FajardoLaunch Points · 35 km from Mosquito Bay (Puerto Mosquito), Vieques in a straight line
- Puerto Rico Bio Bay Tours kiosk, end of Road 987Launch Points · 35 km from Mosquito Bay (Puerto Mosquito), Vieques in a straight line
- Sun Bay Beach entrance, Esperanza (3GXM+X33)Launch Points · 2.3 km from Mosquito Bay (Puerto Mosquito), Vieques in a straight line
- Calle Flamboyan, Esperanza (malecon street)Launch Points · 3.2 km from Mosquito Bay (Puerto Mosquito), Vieques in a straight line
- Joy Tours dock, La PargueraLaunch Points · 170 km from Mosquito Bay (Puerto Mosquito), Vieques in a straight line
- Mareaito Charters dock, La PargueraLaunch Points · 170 km from Mosquito Bay (Puerto Mosquito), Vieques in a straight line
- Restaurante El Karacol, La Parguera (XXF2+9JX)Launch Points · 170 km from Mosquito Bay (Puerto Mosquito), Vieques in a straight line
- Playa Punta Papayo, Lajas (XXFC+5V)Launch Points · 168 km from Mosquito Bay (Puerto Mosquito), Vieques in a straight line
- Hyatt Place San Juan (first shuttle stop, Vieques day trip)Launch Points · 78 km from Mosquito Bay (Puerto Mosquito), Vieques in a straight line
- Las Croabas fishing village, FajardoAreas · 35 km from Mosquito Bay (Puerto Mosquito), Vieques in a straight line
- Esperanza, ViequesAreas · 3.1 km from Mosquito Bay (Puerto Mosquito), Vieques in a straight line
- Old San Juan (Plaza Colon)Areas · 81 km from Mosquito Bay (Puerto Mosquito), Vieques in a straight line
- El Yunque National Forest Visitor CenterAreas · 43 km from Mosquito Bay (Puerto Mosquito), Vieques in a straight line
- Ceiba ferry terminal (Vieques and Culebra ferry), Roosevelt RoadsTransport · 23 km from Mosquito Bay (Puerto Mosquito), Vieques in a straight line
What Guests Say About Bioluminescent Bay Tours Puerto Rico
Reviews are quoted from public tour listings under their verified-booking labels; ratings and counts on those platforms change over time and the tour operator, not this site, delivers the tour. We did not write or edit them.
“This experience was incredible! Much more magical than we imagined. The bioluminescence was so bright the night we went…the kids LOVED swimming and interacting with it.”
“Our guide, Felix made the whole trip entertaining for my entire family. Swimming at the sand bar and again at the bioluminescent bay were both magical.”
“We had a great time kayaking at night. Our guides, Yair, Felix, and Onix, all brought a very positive and fun vibe to the experience.”
“It was a lot of fun and I highly recommend it even if you have no kayaking experience.”
Where To Stay Near The Bio Bays
The Vieques Guesthouse
297 Calle Flamboyan, Esperanza, Vieques
varies by date; check live rates on the booking page
Check rates
Las Casitas Village at El Conquistador
Las Croabas, Fajardo (El Conquistador resort grounds)
varies by date; check live rates on the booking page
Check rates
Parador Villa Parguera
PR-304 Km 3.3, La Parguera, Lajas
varies by date; check live rates on the booking page
Check ratesBioluminescent Bay Tours Puerto Rico FAQ
Which bioluminescent bay is best?
There is no single winner. Mosquito Bay on Vieques is the best known of the three, and Laguna Grande in Fajardo is the easiest to reach from San Juan.
Is Mosquito Bay worth it?
Yes, for many. Six Mosquito Bay tours run from Vieques, including Alikei Adventures' clear kayak trip rated 4.8 across 491 reviews.
Can you swim in La Parguera bioluminescent bay?
Yes, usually. La Parguera is the only one of Puerto Rico's three bioluminescent bays where swimming is generally permitted, subject to conditions and operator rules.
Do you have to kayak to see bioluminescent bay?
No, kayaks are not the only choice. Isla Nena and Borikua Tours run 40-minute boats on Mosquito Bay, and La Parguera runs boats only, so non-paddlers can do two of the three bays.
How much does it cost to go to the bioluminescent bay in Puerto Rico?
No single price applies, since operators set their own and the figure appears on each live listing. This site compares 24 bookable tours across the three bays, all with free cancellation, from short kayak runs to 12-hour combo days pairing El Yunque with the bay.
How long is the bioluminescent bay tour?
The bay and the transport option set the length. On Vieques, Mosquito Bay boat rides take 40 minutes, kayaks typically stay out 2 hours, and Fajardo trips range from 1 hour 30 minutes to 3 hours.
Bioluminescent Bay Tours Puerto Rico Guides And Answers
Guides
Bay Comparison
Best Bio Bay
Best Time To Visit
Bio Bay Photography
Bio Bay With Kids
Clear Kayak Tours
El Yunque Plus Bio Bay
Electric Boat Tours
From San Juan
Kayak Tour Guide
La Parguera Bay
Laguna Grande Tour
Moon Phase Guide
Mosquito Bay Tours
Old San Juan Free Walk
Rain And Cancellations
Swimming In Bio Bays
Tour Prices
Vieques Ferry Guide
What To Wear
Where To Stay
Why The Bays Glow
Answers
- Best Month For Bioluminescence
- Best Tour Picks
- Bio Bay Without A Tour
- Bio Bay Worth It
- Bioluminescence In San Juan
- Glowing Sand Myth
- How Rare Is The Glow
- Is Fajardo Worth It
- Is Kayaking Worth It
- Is The Algae Harmful?
- Is The Glow Still Happening?
- Kayak Weight Limits
- La Parguera Worth It
- Laguna Grande Verdict
- Mosquito Bay Verdict
- Mosquitoes At Mosquito Bay
- No Kayak Needed
- Swim Or Kayak Fajardo
- The Three Bays
- Tour Length
- Vieques Or Culebra