Journal
News & Insights
Field notes, research, and updates from the sargassum frontier.
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.
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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.
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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.
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June 26, 2026
We are Growing the Team
As Thalasso moves toward commercial deployment, we are preparing to expand the team with our first key hires.
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June 23, 2026
Thalasso Roll-Out Plan
The roll-out strategy is expected to unfold over a three-month period. At the equipment level, this will include the deployment of the first biorefinery (most likely on the Mayan Riviera, Mexico); the serial manufacturing of additional refineries at six week intervals, destined for the Mayan Riviera and neighboring Caribbean islands; the development of high purity processing for the four initial products (bio-stimulants, fucoidans, alginates, pow
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June 16, 2026
Introducing Thalasso Advisory
Sargassum is not only a beach-cleanup issue. It touches tourism, coastal communities, logistics, collection, processing, commercialization, research, investment, policy, and long-term regional resilience. Over the years, Thalasso and its team have engaged with governments, researchers, investors, industry stakeholders, NGOs, and organizations across the Caribbean and beyond. Through that work, we have built practical experience across the sargass
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June 12, 2026
Thalasso Expands Regional Engagement Across the Caribbean and the ZONE
Thalasso’s vision as an industrial producer of high-value compounds and additives derived from sargassum has resonated across the Caribbean and the wider region we call the “ZONE”. Since April, we’ve had constructive discussions with the governments of Antigua and Barbuda, The Bahamas, Barbados, Belize, Brazil, Florida, Jamaica, Mexico, Panama, and Trinidad and Tobago regarding the region-wide economic crisis caused by the infestation of sargassu
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June 9, 2026
Thalasso Strengthens Leadership Team and Advances Its Vision for Growth
Over the past four months, Thalasso has been relatively quiet as we have focused on strengthening the company, refining our strategy, and building the foundation for the next phase of growth. On March 27, Thalasso appointed Steven Keays as CEO and Founder Frode Stolen Sønstebø as Commercial Director. These appointments form the core of a strengthened leadership team that now also includes dedicated Directors overseeing Finance, Operations, Logist
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January 21, 2026
Sargassum harvesting capacity now available
Thalasso currently has vessels available for sargassum collection. The vessels are purpose-built and specifically designed for efficient seaweed harvesting operations.
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June 4, 2024
Turning the Tide: A Startup’s Mission to Restore Balance to Coastal Ecosystems
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June 4, 2024
From plague to profit: exploiting Mexico’s Sargassum blooms
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April 30, 2024
Thalasso, Quelp and Coral Bio: the news of four startups that innovate with algae
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December 14, 2023
Meet the Norwegian-Mexican startup that aims to end sargassum
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December 14, 2023
Invest Puerto Rico and Newlab Select 5 Startups to Pilot Solutions for Converting Unmanaged and Landfilled Items into New Value-Added Products
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December 14, 2023
Great atlantic sargassum belt: turning problems into solutions
News of the Great Atlantic Sargassum Belt has received global media coverage recently as swathes of the algal bloom wash ashore in Florida. We’ve been carefully monitoring this news as awareness of the issue grows, and local communities and businesses become increasingly concerned about its impact.
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December 14, 2023
Meet our incubator, Aksello, whose support has been invaluable since our early days
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July 18, 2023
Thalasso joins the Ocean Autonomous Cluster, becoming a member of Norway's leading hub for expertise on ocean autonomy
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July 18, 2023
We’re excited to join the Nosca Clean Ocean Cluster network
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July 18, 2023
Thalasso becomes member of Aksello incubator, benefiting from their experience and support
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July 18, 2023
See what grant scheme Siva says about our innovative approach to sargassum management
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July 18, 2023
Discover more about our innovation and impact from key investors, Rumbo VC
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July 18, 2023
Thalasso connects with climate solutionists at Global Aspen Ideas Festival
As part of our efforts to unlock the power of seaweed through innovation, we were thrilled to participate in the recent Aspen Ideas: Climate festival, an international event bringing together the world’s most ambitious climate solutionists to tackle global challenges.
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July 18, 2023
Dive into blue economy finance with Thalasso co-founder Paulina Zanela
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