Japan may help Antigua turn sargassum from beach menace into business

Antigua and Barbuda may soon receive Japanese technical assistance to develop a facility that processes sargassum seaweed into commercial products, following discussions held during Agriculture Minister Anthony Smith Jr.'s recent visit to Japan.

Details of the proposal were shared at Thursday's post-Cabinet media briefing by Director General of Communications Maurice Merchant, who said Japanese officials expressed a clear willingness to help the twin-island nation tackle one of its most persistent coastal challenges.

Merchant noted that while Antigua and Barbuda has already acquired equipment to harvest sargassum from its beaches, disposal remains the critical bottleneck. "The main challenge is the disposal of the sargassum," he said. "Once the sun hits the sargassum, gases are emitted and there is that foul odor."

Japanese officials have indicated they are prepared to dispatch a technical team to Antigua and Barbuda to assess existing harvesting operations and identify opportunities to convert the seaweed into marketable by-products — including fertilisers, animal feed, biofuels, and other commercial products increasingly derived from sargassum around the world.

The sargassum discussions formed part of broader talks covering fisheries infrastructure, fish and vegetable markets, and food security initiatives. No timeline has been announced and no funding commitment has been made. Merchant said Minister Smith was encouraged by the discussions and views the potential partnership as an important step toward developing practical, innovative uses for the seaweed. Cabinet was told Japan stands ready to provide technical expertise should Antigua and Barbuda decide to move the project forward.

• Agriculture Minister Anthony Smith Jr. held discussions with Japanese officials during a recent visit to Japan • Details were shared at Thursday's post-Cabinet media briefing by Director General of Communications Maurice Merchant • Antigua and Barbuda has already acquired sargassum harvesting equipment but disposal remains the key challenge • Japanese officials indicated willingness to send a technical team to assess harvesting operations and commercial conversion opportunities • Potential by-products include fertilisers, animal feed, and biofuels • Talks also covered fisheries infrastructure, fish and vegetable markets, and food security • No timeline or funding commitment has been announced

If the proposed Japan-Antigua and Barbuda partnership moves beyond the discussion stage, it could represent a meaningful shift in how small island states approach sargassum — from a costly cleanup burden to a managed resource with commercial upside. 

Around the world, sargassum is increasingly being processed into fertilisers, animal feed, biofuels, bioplastics, and cosmetic ingredients. A locally operated processing facility could generate employment, reduce beach cleanup costs, and protect Antigua and Barbuda's tourism-dependent economy from the reputational and physical damage of recurring sargassum events.

"Japan funded a USD 12.3 million UNDP project launched in 2022 to improve sargassum management capacities across five Caribbean nations — demonstrating an established regional commitment that gives context to the reported Antigua and Barbuda discussions."

— UNDP Project for Improving National Sargassum Management Capacities in the Caribbean

Social Conversation: positive

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"Antigua and Barbuda continues to strengthen maritime security through enhanced capabilities and regional collaboration. Improved maritime awareness and coordination are helping address evolving threats across the Eastern Caribbean. https://t.co/cBJ84uTCsn

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"Antigua and Barbuda continues to strengthen maritime security through enhanced capabilities and regional collaboration. Improved maritime awareness and coordination are helping address evolving threats across the Eastern Caribbean. https://t.co/cBJ84uTCsn

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Optimistic — government sees a turning point: According to post-Cabinet remarks, Agriculture Minister Anthony Smith Jr. was enthusiastic about the discussions and views the potential partnership as an important step toward developing innovative and practical uses for sargassum, turning a persistent environmental problem into an economic opportunity.

Cautious — proposal still at early discussion stage: No timeline has been announced, no funding has been committed, and Japan has not independently confirmed the proposal. The talks covered a range of areas, and the sargassum processing facility remains one of several items under consideration rather than an approved or funded project.

Regional context — Japan's broader Caribbean engagement adds credibility: Japan's USD 12.3 million investment in Caribbean sargassum management through UNDP, and its prior funding of Antigua and Barbuda's fisheries complexes through JICA, suggest the reported willingness to assist is consistent with an established pattern of Japanese development cooperation in the region.

"The main challenge is the disposal of the sargassum. Once the sun hits the sargassum, then gases are emitted and there is that foul odor."

— Maurice Merchant, Director General of Communications, Antigua and Barbuda, via Antigua and Barbuda exploring Japanese support for Sargassum processing facility (CMC)