01
Fucoidan
A principal product line the Micro-Biorefinery is designed to extract from sargassum biomass.
Unlocking the value of seaweed
From sargassumto blue gold
Thalasso is building an integrated value chain that collects sargassum as feedstock, processes it locally in modular biorefineries, and extracts valuable fractions for industrial markets.
The challenge
Our coastlines are being invaded
Climate change has caused unprecedented blooming of sargassum — and it's threatening coastal economies, livelihoods, and ecosystems.
Balancing ecosystems
When seaweed grows where it's supposed to, it promotes healthy oxygen levels, creates a refuge for marine life, and improves the health of coastal ecosystems.
Promoting tourism
Proper management of harmful algal blooms avoids having to close beaches and promotes touristic activity on the shorelines.
Supporting communities
From fishing to harvesting, a healthy seaweed ecosystem provides vital livelihood opportunities for coastal communities.
Creating industrial value
Collected sargassum can become feedstock for local processing and intended product lines including fucoidan, alginate and biostimulants.
How we work
From coastal challenge to industrial resource
01
Sargassum
Recurring influxes create an environmental and economic challenge for coastal regions.
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Collection
Biomass is recovered as feedstock before or after it reaches the coast, according to local conditions.
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Local biorefining
Modular processing is placed close to the source rather than moving wet biomass over long distances.
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Extraction
The Micro-Biorefinery is designed to separate the biomass into distinct valuable fractions.
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Ingredients
Fucoidan, alginate and biostimulants are the platform's intended principal product lines.
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Industrial markets
Thalasso is developing commercial buyer and offtake relationships around these outputs.
What we intend to produce
Three principal product lines
The Micro-Biorefinery is designed to separate sargassum biomass into valuable fractions that Thalasso intends to commercialize through industrial buyer and offtake relationships.
See what the Biorefinery is designed to produce →02
Alginate
A principal product line intended to connect locally processed sargassum with industrial markets.
03
Biostimulants
A principal product line designed to create commercial value from processed sargassum.
What we're building
One integrated value chain
The Micro-Biorefinery is the platform where sargassum is transformed and value is created. Collection infrastructure supports that platform by helping secure suitable biomass as feedstock.
In construction — halfway there
The Micro Biorefinery
The central processing platform in Thalasso's value chain — designed to convert sargassum close to the coast into fucoidan, alginate and biostimulants for industrial markets.
Explore the Biorefinery →
Concept in development
The Ocean Harvester
A concept-stage collection platform designed to recover sargassum before it reaches the coastline and supply suitable feedstock to local processing.
Explore the Harvester →
Thalasso Advisory
Real-world knowledge, at your service
We've launched Thalasso Advisory to support governments, municipalities, hotel associations, ports, marinas, and businesses dealing with recurring sargassum events. Whether the challenge is collection strategies, processing opportunities, infrastructure planning, or long-term management, we're always happy to discuss practical, science-based solutions.
Explore Advisory →
Latest
News & insights
August 4, 2026
From Coastal Crisis to Blue Economy Opportunity
As record amounts of sargassum continue to impact coastlines across the Caribbean and other regions of the tropical Atlantic, it is becoming increasingly clear that this is no longer a seasonal inconvenience, but a long-term environmental and economic challenge. Recent research and media coverage point to the need for a shift in strategy - from reacting after the seaweed reaches shore to managing it proactively offshore.
Read more →
July 2, 2026
Why We Believe Distributed Modular Biorefineries Are the Future of Sargassum Management
At first glance, large centralized processing plants seem like the obvious answer to the sargassum crisis. In reality, the challenge is far more complex. Here's why we believe a modular approach makes more sense.
Read more →
June 30, 2026
Sargassum: More Than a Beach Nuisance
Sargassum is more than a beach nuisance. As it decomposes, it can affect public health, damage infrastructure, and create significant economic challenges for coastal communities.
Read more →
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