[REVISION HISTORY]

Sargassum crisis deepens for Riviera Maya tourism

Updated 8 times since CLSTR started tracking revisions of this situation.

What changed

2026-08-29 19:37 UTC → 2026-09-02 22:19 UTC · added ~~removed~~

The sargassum crisis in Quintana Roo has intensified, with seaweed accumulation reaching historic levels. By August 2026, authorities reported collecting approximately 110,000 tonnes of sargassum this year, surpassing the total removed throughout 2025. The Secretariat of Environment and Natural Resources (Semarnat) noted that this year’s volume is four times greater than 2025 levels and 27 times higher than the historical average. The economic impact on the Riviera Maya remains severe. In Tulum, hotel occupancy in the coastal zone has dropped to approximately 15%, a decline of over 20% compared to 2024. Jorge Hernández, president of the Mexican Federation of Tourism Associations (Fematur), reported that tourist arrivals in the Mexican Caribbean have decreased by 10 percent this year. To mitigate losses, travel agents are redirecting tourists toward sargassum-free Pacific destinations such as Huatulco, Mazatlán, and Puerto Escondido. Industry leaders emphasize that the seaweed phenomenon has become a structural issue, affecting the Mexican Caribbean for eight to nine months of the year. David Ortiz Mena, president of the Mexican Caribbean Hotel Council and the Tulum Hotel Association, ~~noted~~ warned that ~~high removal costs—reaching 500,000 pesos per week—alongside reduced airline availability and security concerns have forced some hotels to close or consider~~ seasonal ~~operations. Industry leaders have called for support from development banks~~ closures are unfeasible due to ~~restructure finances, though~~ the risk of permanent job losses and economic instability. Hotels face massive operational costs, with some ~~positive reservation trends are expected~~ spending millions of pesos monthly on cleaning—amounts that can exceed double their electricity expenses. Ortiz Mena has called for ~~the winter season.~~ permanent strategies, including offshore collection and improved disposal methods. In response, President Claudia Sheinbaum has activated an emergency plan exceeding 2 billion pesos, including the deployment of specialized vessels to collect seaweed at sea. The Mexican Navy has also deployed brigades to assist hotels with beach cleaning. In Playa del Carmen, municipal authorities installed five kilometres of anti-sargassum barriers, though currents can still allow seaweed to bypass defenses. As of late August, pesos. While sargassum levels in Tulum and Akumal ~~have begun~~ began to ~~decrease, with waters regaining clarity. Esteban Amaro Mauricio, director of the Quintana Roo Sargassum Monitoring Network, noted that the macroalgae peaked~~ decrease in ~~June and July, with~~ late August, the ~~season expected to conclude between September~~ long-term economic and ~~October. To protect coastlines, Zofemat head David Buchanan stated that authorities are limiting the use~~ environmental management of ~~heavy machinery during cleanup to prevent sand erosion, with plans to redistribute sand once~~ the ~~season ends.~~ coastline remains a critical priority for the region.

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