Sargassum invasion chokes Mexico's Caribbean beaches, impacting tourism

Mexico's Caribbean coast is grappling with an unprecedented sargassum seaweed crisis, as over 100,000 tons have been collected in 2026 alone. The thick, foul-smelling algae invasion is transforming once-pristine turquoise waters into a matted, pungent carpet, significantly impacting the region's vital tourism industry.

Despite extensive efforts by the Mexican government and the Navy, including the deployment of 27 specialized vessels since 2019, containment remains a challenge. These "sargazo" ships, along with barriers and manual beach cleanups, are working to collect the massive influx of algae. The operation involves collecting large volumes offshore using vessels capable of gathering 300 tons, supplemented by smaller boats and amphibious craft, followed by manual removal from beaches.

Contralmirante Topiltzin Flores described the current season as "intense," demanding greater effort to concentrate the seaweed offshore and prevent it from reaching the shore. However, the sheer volume of sargassum continues to overwhelm the coastline. In the first half of 2026, naval personnel and local governments collected approximately 100,000 tons, surpassing the 92,782 tons gathered in all of 2025.

The persistent presence of sargassum is visibly deterring tourists, with few visitors seen enjoying the beaches amidst the overwhelming stench, likened to rotten eggs. Local businesses are consequently operating with minimal staff, underscoring the severe economic consequences of this ongoing environmental challenge. The situation highlights a critical battle to preserve the allure of Mexico's famed Caribbean destinations.

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It is an intense season that really demanded greater effort