Bio-Lumin Kayak

Bio-Lumin Kayak

Bio-Lumin Kayak

It's a warm, tropical night. You're entering a quiet Caribbean lagoon. You dip your kayak paddle into the calm water. The paddle makes a swirl and the water literally lights up - a soft, intense blue enhanced by the blue of the lagoon and the deepening blue of the night sky.

You have just entered Puerto Rico's bioluminescent bay (shortened to "Bio Bay" by the locals), Laguna Grande in Fajardo.

The beautiful luminescence in the calm bay's waters is caused by millions and millions of dinoflagellates, a very, very tiny form of marine life that has characteristics of both plants and animals. They range from about 5 to 2,000 micrometers (0.0002 to 0.08 of an inch) in size and actually do light up, in a shimmering, phosphorescent blue, when they are disturbed by movement.

After just a brief introduction to kayaking and a few on-the-job strokes, you and your two-person kayak will slip quietly into Laguna Grande for what promises to be one of the neatest adventures of this or any other cruise.

This tour is only available for groups of 18 or more.


  • Transportation
  • Kayak & safety equipment
  • Guide
  • Water and light snacks


This tour is only available for groups of 18 or more. Don't forget your camera. You might wish to bring a towel. Please note that all departure times are based on the LOCAL time in port.

Departure Location

At the cruise ship pier. The specific meeting location at the pier will be listed in your confirmation email and voucher for this shore excursion. See the 'Redemption and Voucher Details' section below.

Redemption and Voucher Details

  1. After you complete your booking, your credit card will be charged and our expert Shore Excursion Concierge agents will 'hand'-review your shore excursion selections against your cruise itinerary to confirm compatibility. Your credit card statement will list the merchant for the charges as Port Promo Cruise Tours.
  2. You will receive an email within 72 hours of booking from which confirms your booking and contains the vouchers required for your shore excursions. Please print these vouchers and bring them with you on your cruise. You will be required to turn the voucher(s) in to the corresponding shore excursion supplier(s). The vouchers feature information regarding how to meet up with the tour leader upon arrival to a port and other important details.
  3. Your tour is completely refundable if your ship is unable to get into port or due to weather cancellations. See our terms and conditions for complete details.
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