Kayaking to Bio Bay

In researching activities to do in Puerto Rico, I came across information about a bioluminescent bay. So, our first night included kayaking at night through canals from Fajardo to Laguna Grande.

Night kayaking

The reason for kayaking at night was because Laguna Grande is one of the few places in the world where you can find bioluminescent microorganisms near the surface of the water. These dinoflagellates glow (like a firefly) in the water when you move it. We made the mistake of going on a clear night with a full moon, but our guides brought a tarp to block out the moon to make it easier to see them. It was really cool. They're virtually impossible to photograph and look more like lots of tiny sparkles than this blur of glow, but this gives you an idea of what we saw.


Seeing the glowing particles was amazing, but we really enjoyed the nighttime kayaking too. When are you ever going to get the chance to kayak by moonlight?!

Jen kayaking

Chad kayaking


  1. Melanie says:

    Beautiful pics – looks like a blast! I remember swimming at night in Key West and seeing some of the bioluminescent stuff!! It was really cool!

  2. […] to try a different excursion. This time, we went for a night kayak tour. We’ve done kayaking on previous trips and really enjoyed it. We were excited to do it in Aruba. Jen was a little worried about […]

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