Discover the glowing waters of Puerto Rico's Bioluminescent Bay on a guided kayak, swim, and boat tour. Experience the magic of natural bioluminescence like never before and create unforgettable memories under the stars.
More ways to explore the area's outdoor wonders
Hang tight — photos are loading
This usually takes just a second.
Difficulty
easy
Duration
2–3 hours
Fitness Level
Suitable for most fitness levels; basic swimming skills recommended for swimming segments
Wildlife
History
The bioluminescent bay in Lajas was formed due to the high concentration of dinoflagellates, creating one of the few bio-luminescent bays in the world.
Conservation
Fondo de Cristal III actively promotes eco-friendly tours, ensuring minimal impact on the fragile bioluminescent environment.
Fondo de Cristal III
Discover the glowing waters of Puerto Rico's Bioluminescent Bay on a guided kayak, swim, and boat tour. Experience the magic of natural bioluminescence like never before and create unforgettable memories under the stars.
Fondo de Cristal III is a marine activity operator based in La Parguera, Lajas, offering guided and self-guided water experiences focused on the Bioluminescent Bay, mangrove channels, and nearby cays. The company provides a variety of outings including bioluminescent bay swimming tours, kayak rentals, glass-bottom kayak experiences, combined kayak-swim-boat tours, sunset biobay swims, private sunset boat tours, private charters to Caracoles, and multi-person boat rentals for six, eight, and ten passengers. Tours range from short 1.2-hour biobay swims to seven-hour self-captained boat rentals, and include life jackets, kayak access, and inflatables on charters where indicated. Many tours emphasize night-time bioluminescent viewing, with new moon nights recommended for optimal glow visibility. Safety protocols include standard flotation gear and age recommendations on specific trips, such as the bioluminescent kayak adventure suitable for ages seven and up. Reservations commonly require swimwear, towels, and personal snacks or drinks for private outings and island stops.
As a locally based operator in La Parguera, Fondo de Cristal III leverages intimate knowledge of local channels, reefs, and island stops to design routes that showcase coral, marine life, and coastal scenery. The business's offerings appeal to families, couples, and independent explorers seeking both guided tours and self-guided rental options. With a clear focus on natural attractions and customizable private experiences, Fondo de Cristal III positions itself as a reliable option for visitors looking to explore La Parguera's unique aquatic landscapes. Booking details and availability are provided through local listings, with flexible scheduling for peak and off-peak seasons year-round.
Location
La Parguera, Lajas
Based in La Parguera, Puerto Rico
Tours Offered
10 experiences
Range of tours and rentals available
Standard Rental
7 hours
Typical boat rental duration
Family Friendly
Ages 7+
Kid-friendly kayak options available
Reserve a tour, kayak, or private charter in La Parguera — limited night slots for bioluminescence on new moon dates.
Wear Synthetic Clothing
Opt for quick-drying synthetic clothes that won’t absorb water or become heavy when wet.
Bring Waterproof Flashlights
Use waterproof headlamps or flashlights to navigate safely without disturbing the bioluminescent environment.
Apply Reef-Safe Sunscreen
Though it's dark during the tour, if you're participating during sunset, use eco-friendly sunscreen to protect marine life.
Book in Advance
Tours fill up quickly, especially during peak seasons, so reserve your spot early for a guaranteed experience.
Dry Bag
Keep your valuables dry during the paddle and swimming portions of the tour.
Waterproof Sunscreen
Protect your skin from UV rays if you participate during sunset or late afternoon.
spring|summer|fall|winter
Layered Clothing
Dress in layers to stay comfortable in varying evening temperatures.
spring|fall|winter
Hat & Sunglasses
Block out the sun during daytime prep and stay protected before evening tours.
summer