Why You Should Do THIS Bioluminescent Bay Puerto Rico Tour in La Parguera

Sunset from the boat tour visiting La Parguera

My name is Amanda and I am here to admit something to you all. After having visited a single bioluminescent bay, I am addicted. If there is a 12-step program for bioluminescent bay addicts, I refuse to enter it. I must see more. I must experience more of this natural world wonder, whether it’s swimming in or kayaking through. It is something I cannot imagine never doing it again, and I also can’t imagine going to Puerto Rico and not visiting one of their three (YES, THREE) bioluminescent bays. If this intro isn’t enough to get you Googling for your own bioluminescent bay Puerto Rico tour, keep reading because it is my singular goal to convince you that you must go.


A Little About Puerto Rico’s Bioluminescent Bays

Bioluminescent bays are special because they contain microorganisms called dinoflagellates that when bothered or agitated, light up. This means anything really moving at a semi-rapid pace in the water will cause these little babies to glow.

Going on a bioluminescent bay Puerto Rico tour in any of the three bays will be life changing. However, each bay is a different experience. Here is the breakdown of each of the bays and what you need to know before making your decision:

Mosquito Bay

  • Is located on the island if Vieques and you have to take a ferry to get here. Because of this, you will likely have to stay overnight on the island.
  • This bay is the brightest bioluminescent bay in the world. Locals told me this is because there is no light pollution nearby. It isn’t because the microorganisms are necessarily brighter themselves, but that the concentration of organisms is higher coupled with the fact that it’s because it’s SO dark in the bay.
  • You can only kayak here.

Laguna Grande

  • Closest bay to San Jose – about an hour east – which makes it extremely popular.
  • Is technically a lagoon you must kayak into it vs. a bay.
  • You can only kayak here.

La Parguera

  • About 2.5 hours south of San Juan and about 40 minutes south of MayagĂĽez.
  • Is the only bioluminescent bay Puerto Rico tour that allows you to actually swim in the water.

Why I Chose the Bioluminescent Bay Puerto Rico Tour in La Parguera

Truth be told, I chose La Parguera as my bioluminescent bay Puerto Rico tour of choice because Vieques was still closed to tourists due to COVID. After not being able to see the brightest bay, I decided I wanted to do the coolest experience. If you know me, you know I love unique travel experiences. So, knowing this, I knew that the right choice was swimming in a bay. And boy, was I RIGHT.

What to Expect on the Bioluminescent Bay Puerto Rico Tour in La Parguera

I chose this Sunset and Bio Bay Tour through the family-owned and operated company Hook’d on Adventure Parguera. We had the absolute best time – the daughter was our captain and we were provided plenty of drinks for the trip. The tour included a nice boat ride out to an island to watch the sun go down and then once it got dark, a long stop in the bay.

Sunset Stop

The first stretch of the tour is being taken out to an island to have a great view of sunset. The ride is maybe 10 – 15 minutes and once you arrive, you get off the boat to explore the mangroves and hang out in the water if you want to. While we were there, there were lots of clouds so sunset wasn’t the best, but we still got to enjoy the natural beauty before we were off the the bay.

Bio Bay Swim

As we boated from the small island to the bay itself, it got darker but wasn’t completely black out yet. Once we parked, we got off the boat and into the water where we hung out for about an hour. This is where the true magic happens. Honestly, it was like swimming in the stars. If you lift your arm out of the water while swimming, you see the glow drip down your and it is so incredible. This swim in La Parguera was my absolute favorite thing I did during my trip to Puerto Rico without a doubt. I highly recommend anyone and everyone who visits this gorgeous island go on a bioluminescent bay Puerto Rico tour.

I will literally never be able to properly describe how magical was, and I definitely wasn’t able to photograph it with any skill. You’ll see in the terrible photos below where the glow in the water is, but this phenomenon is VERY hard to truly capture in photos. But, you can see the blue glow in the water and just imagine how magnificent it is in person.

So there you have it. Like I’ve mentioned, while any of the bioluminescent bay Puerto Rico tours will be a phenomenal time, swimming in La Parguera was truly something other-worldly and magical.

To see more from my Puerto Rico trip, check out my highlight reel on Instagram and if you have any questions in the meantime, send me a note and I’ll give you any and all recommendations!


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4 thoughts on “Why You Should Do THIS Bioluminescent Bay Puerto Rico Tour in La Parguera

  1. I’ve heard about these bioluminescent beaches already and I can imagine what a magical experience it must be to see it in real life! It’s definitely on my bucket list 🙂

  2. That must be such an interesting lake to visit! I hadn’t heard of it before but I did know about the reason why it’s that colour.

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