It’s Even Worse: Record Sargassum Deluge Chokes Caribbean BeachesQuintana Roo took in more sargassum in three days than what would have arrived during a whole month last year.
Record amounts of ugly, unsightly sargassum seaweed are washing ashore across the Caribbean, hitting 37.5 million metric tons (41.3 million short tons) in May 2025. The thick brown algae mats are overwhelming beaches from Puerto Rico to Mexico’s Yucatán Peninsula, threatening the tourist economy and public health. Along the Mexican Caribbean coast in Quintana Roo…

