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Sargassum Seaweed! My Summer Vacation, a Beach Trip Turned Into a Pool Trip. What Is Sargassum?
DOMINICAN REPUBLIC, JUL 14 – The Dominican Republic faces a 70% surge in sargassum seaweed, threatening marine ecosystems and tourism, with 37.5 million metric tons recorded in the Atlantic in May 2025, officials said.
- On July 16, 2025, teams of municipal workers, Zofemat staff and other volunteers cleared sargassum by dawn, including response teams with Civil Protection personnel, firefighters, the Navy, taxi drivers, and tourism service providers.
- University of South Florida researchers found climate change, fertilizer run-off, deforestation and wind shifts fueling the bloom, noting a significant surge.
- From the Mexican Caribbean to Colombia, major inundations now occur annually across the Caribbean, demonstrating the growing scale, affecting shores from Quintana Roo to Colombia.
- Corbin warned that sargassum is smothering vital ecosystems, Christopher Corbin said.
- The Cartagena Convention Secretariat and SPAW are advocating and leading the charge with strengthened coordinated regional action plans promoting more wide scale early warning systems and risk mapping.
13 Articles
13 Articles
Despite heroic clean-up efforts, sargassum keeps accumulating on Quintana Roo's coast
Sargassum has invaded Quintana Roo’s beaches with unprecedented intensity for much of the year, prompting daily herculean efforts by authorities and citizens to clear the noxious brown seaweed from normally pristine shores. And their task shows no sign of abating. A stunning indication of the current crisis — as well as of the locals’ heroism — took place in Isla Mujeres. Between Sunday night and Monday morning, 140 tonnes of the algae came asho…
THA Executes Sargassum Cleanup
The Tobago House of Assembly's Division of Food Security, Natural Resources, the Environment and Sustainable Development is monitoring the influx of sargassum seaweed across the island’s beaches. Work began on Tuesday and continued into Wednesday as clean-up gangs were deployed, and plans are underway for further clean-up if necessary. THA Secretary of Food Security, Natural
La Romana-Bayahíbe is one of the few destinations whose offer of sun and beach remains intact in the face of a problem that increasingly affects tourism: the sargazo. According to the president of the Association of Hotels La Romana-Bayahíbe (AHRB), Andrés Fernández, the geographical location and the natural protection offered by the island Saona, whose streams of water divert the algae to other places, make Bayahíbe an alternative increasingly …
Laura ToribioThe massive arrival of sargazo to the Mexican Caribbean, which dyes the waters brown between March and August, could reach in 2025 a volume of approximately 37 million tons, surpassing the historical maximum of 2018 (when 22 million tons were recorded), according to information published by the Polytechnic Gazette. Dr. Norma Patricia Muñoz Sevilla, researcher at the Interdisciplinary Center for Research and Studies on Environment an…
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