What is Sargassum?

Sargassum is a type of floating brown seaweed that originates mainly from the Sargasso Sea in the Atlantic Ocean. It forms massive mats that drift across the ocean, providing an important habitat and food source for fish, sea turtles, crabs, and other marine life.

While sargassum plays a crucial role in the open-sea ecosystem, when it washes ashore in large amounts, it can impact the beauty of the beaches and some recreational activities.

Why Is There Sargassum in Tulum?

The presence of sargassum in Tulum and across the Mexican Caribbean is driven by several natural factors:

  • Shifts in ocean currents
  • Rising ocean temperatures linked to climate change
  • Increased nutrients in ocean waters that fuel algae growth

Typically, the sargassum season in Tulum runs from April to October, although the intensity can vary each year.

According to a joint report by the University of South Florida and NASA, “the massive arrival of sargassum in the Caribbean has increased in recent years due to changes in ocean currents, global warming, and nutrient runoff from South American rivers.”

sargazo en tulum - sargassum in tulum

How Does Sargassum Affect Your Beach Experience?

Sargassum is not harmful to your health, but large accumulations on the beach can:

  • Turn the usually crystal-clear waters into a brownish hue
  • Produce a natural decomposing odor if left to pile up
  • Make certain beach areas less accessible for swimming

However, it’s important to remember that sargassum in Tulum is a natural and temporary phenomenon. Thanks to dedicated local efforts, many beaches remain clean and stunning year-round.

What Is Being Done in Tulum to Manage the Sargassum?

Local authorities, hotels, and environmental organizations work tirelessly to manage sargassum arrivals through measures like:

  • Installing marine barriers to keep sargassum offshore
  • Daily manual beach cleanups by dedicated crews
  • Proper disposal programs to prevent ecological damage

According to Mexico’s Secretariat of the Navy (SEMAR), “strategic barriers have been installed, and specialized sargassum collection vessels are used to remove the seaweed before it reaches the shore.”.”

Our Commitment to Clean Beaches

At Aldea Canzul, we are committed to maintaining the natural beauty of Tulum’s beaches for all our guests. Every day, we take proactive steps to manage and remove sargassum, including:

  • Regular beach cleanups
  • Sand raking to keep it soft and pleasant
  • Continuous weather and ocean monitoring to anticipate changes

We understand that a pristine beach is at the heart of your Tulum experience, and we work hard to ensure that every sunrise by the sea is as magical as you imagined.

Tips for Traveling to Tulum During Sargassum Season

Planning to visit Tulum during the sargassum season? Here are a few tips to make the most of your trip:

Check Sargassum Forecasts

Websites like the Sargassum Monitoring Network of Cancun provide daily updates on beach conditions.

Explore Other Natural Wonders

If some beaches are affected, you can still enjoy:

  • Freshwater cenotes (natural sinkholes)
  • Archaeological sites like Coba and Tulum Ruins
  • Natural reserves like Sian Ka’an Biosphere Reserve

Choose Eco-Conscious Accommodations

Stay at hotels committed to beach cleaning and environmental sustainability for a better experience.

Wear the Right Footwear

Some beach areas may become slippery where sargassum accumulates, so good footwear can make a big difference.

Is Sargassum Dangerous?

No, sargassum is not dangerous.

When decomposing, it can release natural gases like hydrogen sulfide, which may create an unpleasant odor. In very high concentrations, it can be mildly irritating for sensitive individuals, but this is extremely rare in Tulum, especially with regular beach maintenance.

At places like Aldea Canzul, beach conditions are carefully monitored to ensure a clean, safe, and enjoyable environment for visitors.

Sargassum is a natural part of the ecosystem and, while it can temporarily change the beach landscape, it shouldn’t stop you from experiencing the unique beauty and vibrant culture of Tulum.

At Aldea Canzul, we are dedicated to providing a clean, safe, and authentic environment while respecting the natural balance that makes Tulum such a special destination.