United States Regenerative Seaweed Farming Market 2025 | Growth Drivers, Key Players & Investment Opportunities

Market Size and Growth

The Global Regenerative Seaweed Farming Market reached US$9.19 billion in 2023 and is expected to reach US$13.10 billion by 2031, growing at a CAGR of 4.53% during the forecast period 2024-2031.

Key Development:

United States: Recent Industry Developments

✅ In June 2025, Potato Impact Partners (PIP), an impact investor focused on sustainable seaweed innovation, announced a new investment in Coast 4C (C4C), a Philippines-based company working to restore seaweed ecosystems and support coastal livelihoods through regenerative aquaculture.

✅ In June 2025, GreenWave, a nonprofit organization, continued its efforts to support regenerative ocean farmers by offering training and assistance in planning, permitting, and seed sourcing. Their work plays a crucial role in promoting sustainable seaweed aquaculture.

✅ In February 2025, the U.S. Department of Energy announced a $25 million initiative to advance deep-ocean aquaculture for biomass production. This funding aims to enhance sustainable seaweed farming practices and support the growth of the blue economy.

Japan: Recent Industry Developments

✅ In September 2025, Sumitomo Corporation and partners restored seaweed beds within the historic Zoshokuko tidal channels in Hirono Town, Iwate Prefecture. This project earned the largest issuance yet of J-Blue Credits (3,106.5 t-CO2), channeling proceeds into climate action through a local fisheries council.

✅ In February 2025, researchers in Tokushima Prefecture developed a new method of growing seaweed by combining two species-green seaweed (aosa) and red seaweed (akanesou)-to create a hybrid that can be harvested year-round. This approach aims to tackle high costs associated with land-based farming and limited cultivation periods.

✅ In November 2024, Japan launched a joint demonstration project with Panasonic that combines robotics and IoT technologies with seaweed aquaculture. The project aims to contribute to biodiversity conservation and greater food security.

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Regenerative Seaweed Farming is a sustainable aquaculture practice that cultivates seaweed to restore marine ecosystems, absorb carbon dioxide, and enhance biodiversity. Beyond environmental benefits, it provides raw materials for food, biofuels, pharmaceuticals, and cosmetics, supporting a circular blue economy while mitigating climate change impacts.

Recent Mergers and Acquisitions:

✅ In February 2025, Ocean Rainforest, a Faroe Islands-based seaweed-harvesting firm, acquired a majority stake in Alamarsa, a Mexican seaweed company behind the Algamar brand of products. This collaboration combines Algamar's expertise in seaweed extraction and processing with Ocean Rainforest's advanced open-ocean seaweed farming technology.

✅ In August 2025, Blue Evolution, a U.S.-based seaweed company, entered into a strategic alliance with Māori iwi in Aotearoa (New Zealand). This partnership aims to cultivate seaweed across an initial 5,000 hectares of ocean space, leveraging advanced technology and deep indigenous knowledge to create a model for global environmental restoration, economic empowerment, and cultural preservation.

Key Players:

=> Acadian Seaplants, Algaia, Atlantic Mariculture Ltd, CP Kelco, The Seaweed Company, Atlantic Sea Farms, Nautical Farms LLC, Pacific Harvest Seaweeds, Seaweed Solutions AS, and SEADLING.

Growth Forecast Projected:

The Global Regenerative Seaweed Farming Market is anticipated to rise at a considerable rate during the forecast period, between 2024 and 2031. In 2023, the market is growing at a steady rate, and with the rising adoption of strategies by key players, the market is expected to rise over the projected horizon.

Research Process:

Both primary and secondary data sources have been used in the global Regenerative Seaweed Farming Market research report. During the research process, a wide range of industry-affecting factors are examined, including governmental regulations, market conditions, competitive levels, historical data, market situation, technological advancements, upcoming developments, in related businesses, as well as market volatility, prospects, potential barriers, and challenges.

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Key Segments:

➥ By Seaweed Type: Red Seaweed, Green Seaweed, Brown Seaweed

➥ By Farming Method: Offshore Farming, Inshore Farming, Others

➥ By End-User: Food Industry, Cosmetics, Pharmaceuticals, Animal Feed, Others

Regional Analysis for Regenerative Seaweed Farming Market:

⇥ North America (U.S., Canada, Mexico)

⇥ Europe (U.K., Italy, Germany, Russia, France, Spain, The Netherlands and Rest of Europe)

⇥ Asia-Pacific (India, Japan, China, South Korea, Australia, Indonesia Rest of Asia Pacific)

⇥ South America (Colombia, Brazil, Argentina, Rest of South America)

⇥ Middle East & Africa (Saudi Arabia, U.A.E., South Africa, Rest of Middle East & Africa)

Benefits of the Report:

Chapter 1: Sets the stage by outlining the report's coverage, summarizing key market segments by region, product type, and application. Presents a snapshot of market sizes, growth potential across segments, and anticipated industry evolution both short and long term.

Chapter 2: Highlights pivotal market insights and uncovers the most significant emerging trends driving change within the industry.

Chapter 3: Offers an in-depth look at the competitive landscape among Regenerative Seaweed Farming producers, including revenue shares, strategic moves, and recent mergers and acquisitions.

Chapter 4: Presents comprehensive profiles of the market's key players, delving into details such as revenue, profit margins, product portfolios, and company milestones.

Chapters 5 & 6: Analyze Regenerative Seaweed Farming revenue at both regional and country levels, providing quantitative breakdowns of market sizes, growth opportunities, and development prospects worldwide.

Chapter 7: Focuses on different market segments by type, examining their individual sizes and potential, guiding readers toward high-impact, untapped market areas.

Chapter 8: Explores segmentation by application, evaluating industry growth potential in various downstream markets and pinpointing promising sectors for expansion.

Chapter 9: Provides a thorough review of the industry's supply chain mapping out both upstream and downstream activities.

Chapter 10: Concludes with a summary of the report's key findings and highlights the most critical takeaways for industry stakeholders.

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FAQ

What is the current size of the Regenerative Seaweed Farming Market?

A: In 2023, the Regenerative Seaweed Farming Market was valued at US$9.19 billion , reflecting its strong industry presence.

Q2: How large is the Regenerative Seaweed Farming Market expected to be by 2031?

A: By 2031, industry forecasts suggest the Regenerative Seaweed Farming Market will grow to around US$13.10 billion , demonstrating significant expansion.

Q3: What is the growth rate of the Regenerative Seaweed Farming Market?

A: The market is projected to expand at a compound annual growth rate (CAGR) of 4.53% during the forecast period from 2024 to 2031.

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