Board a small boat from Puerto Escondido and enter Manialtepec’s warm, glowing waters to experience bioluminescent plankton under a starry sky. This three‑hour night tour blends natural history with practical guidance for safe, low‑impact swimming.
More ways to explore the area's outdoor wonders
Night falls over the Pacific and the lagoon answers with small blue fires: paddle stirs a glowing trail, and the water itself seems to be writing constellations beneath your hands. On this three‑hour outing from Puerto Escondido you cross Manialtepec Lagoon by boat, step into warm, shallow water and watch dinoflagellates light up with every movement while the Milky Way sprawls overhead.
Difficulty
easy
Duration
3 hours
Fitness Level
Suitable for participants in average physical condition; requires ability to step on/off a small boat and wade or float in shallow water.
Wildlife
History
Local Zapotec and coastal fishing traditions shaped lagoon use; artisanal fisheries and small villages still depend on the area’s tidal rhythms.
Conservation
Tours emphasize low‑impact behavior—avoid soaps and sunscreens, limit light pollution, and follow guides’ rules to protect plankton and mangrove habitats.
Reserve your spot on the Bioluminescence swim with stars today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Leave lotions ashore
Oils and sunscreens can harm bioluminescent organisms and reduce visibility—clean, lotion‑free skin gives the brightest glow.
Bring a towel and warm layer
Air and boat decks feel colder after exiting the water; a towel and a light jacket make the return comfortable.
Use a red‑light headlamp only
White lights kill the effect; a red filter preserves night vision and won’t overwhelm the plankton.
Plan around moon phase
New‑moon nights and low cloud cover produce the darkest skies and best bioluminescence; ask operators about timing.
Quick‑dry swimsuit
Dries fast after swimming and reduces chill on the boat ride back.
Water shoes
Protect feet from muddy bottoms and mangrove roots while wading.
Dry bag or waterproof pouch
Keeps phone, ID and a spare layer dry on the boat.
Red‑filter headlamp or flashlight
Provides safe light without washing out bioluminescence or disturbing wildlife.