Floating through a lagoon that sparkles like liquid starlight is often described as a “bucket list” experience, but in 2026, it has become one of Florida’s premier eco-adventures. Located just an hour from Orlando, the Indian River Lagoon and Merritt Island National Wildlife Refuge host a natural light show that rivals any theme park spectacle.

Whether you are looking for the neon-blue trails of summer dinoflagellates or the gentle, tactile glow of winter comb jellies, 2026 is shaping up to be a banner year for bioluminescence. Here is everything you need to know to plan the perfect night on the water.

The Science of the Glow: Dinoflagellates vs. Comb Jellies

The magic of the lagoon is powered by two distinct organisms, depending on when you visit:

• Summer (May – October): Dinoflagellates. These microscopic plankton are the “stars” of the lagoon. When the water is disturbed by a paddle, a kayak,