Seaweed Farming Market Size, Share, By Seaweed Type (Brown Seaweed, Red Seaweed, and Green Seaweed), Farming Techniques (On-Shore Cultivation, and Off-Shore Cultivation), Application (Food & Beverages, Pharmaceutical & Nutraceuticals, Cosmetics & Personal Care, Agriculture & Animal Feed, and Others), End User (Commercial Farmers, Research Institutions, Government & NGOs, and Others), and Region - Trends, Analysis, and Forecast till 2035

Report Code: PMI582225 | Publish Date: April 2025 | No. of Pages: 167

Seaweed Farming Market Overview

  • The seaweed farming market size is expected to expand at a rate of USD 85.1 Billion, by 2035.
  • In 2024, the seaweed farming market valuation was USD 24.8 Billion.
  • The seaweed farming market is growing at a CAGR 13.2%.

One kind of marine algae that grows well in seas, oceans, and even certain freshwater habitats is seaweed. It does not have conventional roots, stems, or leaves such terrestrial plants do. Rather, nutrients are taken up straight from the water by its fronds. Seaweed, which comes in a variety of colors green, brown, and red is an essential part of marine ecosystems because it gives many marine organisms food and a place to live. Growing seaweed farming increases the amount of biomass that may be used for human food, livestock feed, biofuel, and bio On-Shore Cultivations while also improving carbon sequestration.

Government encouragement for environmentally friendly techniques and improvements in technology in the cultivation of seaweed, together with increasing customer demand for seaweed in nutritional supplements, food, and various additional industries, has contributed to diversification in the seaweed farming market.

Seaweed farming's prospects is being driven by sustainability, technology innovations, and increasing consumer interest from a variety of industries. While AI, automation, and offshore farming will improve efficiency and scalability, innovations in bio On-Shore Cultivations, biofuels, and alternative proteins will increase market opportunities. With the help of government incentives and legislation, seaweed will play a significant part in climate change due to its ability to sequester carbon and restore the ocean.

Key Takeaways:

  • According to data from the UN Trade and Development, the seaweed industry has more than tripled in size over the past 20 years, from USD 5 billion in 2000 to USD 17 billion in 2021, when its global exports reached roughly USD 1 billion.

Impact of Generative AI on Seaweed Farming Market:

  • Seaweed farming has historically relied on human effort and practical knowledge that has been passed down through the centuries. Although somewhat successful, this strategy has constraints in terms of its capacity to adjust to shifting environmental circumstances and maximize output.
  • Seaweed farmers can obtain previously unattainable insights into their farming operations by utilizing artificial intelligence (AI). These insights might range from predictive analytics that optimize growth conditions to real-time monitoring of environmental data. AI-driven technologies have the potential to completely transform seaweed farming, whether it is done on land or in the open ocean.

Seaweed Farming Market

Seaweed Farming Market Drivers & Restraints

Key Drivers:

Health Benefits of Seaweed Farming to Skyrocket the Market Growth

Seaweed is a food that is rich in nutrients. Vitamins A, C, and E are among the many antioxidants it contains. Furthermore, it contains iodine, which is essential for the thyroid to function properly. Particular kinds of seaweed offer significant nutritional advantages; for instance, purple laver is a type that contains vitamin B12.

  • For instance, according to the article published by ScienceDirect in September 2023, the low lipid content, rich minerals, fibers, polyunsaturated fatty acids, polysaccharides, vitamins, and bioactive components in seaweeds contribute to their being a great source of nutrient-dense human diet. Several seaweed related products have distinctive characteristics which can be used to create a range of functional foods for the food processing sector.

The Market is Experiencing Significant Growth as Seaweed Could Play a Significant Role in the Climate Puzzle

Seaweed farming has been promoted as a viable way to mitigate the environmental crisis by rapidly capturing carbon and offering a sustainable substitute for carbon-intensive crops and goods. It might help coastal communities to cope with the effects of climate change, store greenhouse gasses, and lower the carbon footprint of the global food chain.

Restraints:

Environmental Concern is Limiting Growth of the Market

Seaweed production may be hampered by environmental concerns over the well-known effects of aquaculture, particularly feed fish and shellfish farming. This includes genetic effects on escaping wild fish stocks, transmission repercussions of associated illnesses and parasites, bio-deposition of (pseudo) feces on the seafloor ecology, and alterations in the local animals at the production locations.

  • Counterbalance Statements: Reducing industrial runoff and improving water quality management are two sustainable ways to solve environmental issues affecting seaweed cultivation. Relocating farms and creating heat-resistant seaweed strains are two examples of climate change adaptation strategies that can help reduce the effects of warming oceans. Ecological balance is supported by sustainable farming methods such as rotational farming and polyculture systems.

Opportunities & Trends:

The Rising Consumer Interest may assist to Market Expansion in Upcoming Years

The market for seaweed farming has a big potential possibility due to rising consumer interest in seaweed. Seaweed's strong nutritional profile, which includes vital vitamins, minerals, and antioxidants, is making it more and more popular as the desire for plant-based, nutrient-dense, and sustainable food options rises. Seaweed's popularity is further increased by growing awareness of environmental sustainability and its advantages as a carbon sink.

  • Furthermore, new market opportunities are being created by the growth of seaweed-based goods in sectors such as food, cosmetics, pharmaceuticals, and biofuels. Seaweed farming has the potential to increase productivity, draw in investment, and spur innovation in sustainable agriculture as customers look for healthier and more environmentally friendly options.

Seaweed Farming Market Segmentations & Regional Insights

The seaweed farming market is segmented into seaweed type, farming techniques, application, end user, and region.

By Seaweed Type:

Based on seaweed type, the seaweed farming market is divided into brown seaweed, red seaweed, and green seaweed. Due to its extensive application in a variety of industries, including agriculture, animal feed, and food and beverage, especially for the extraction of alginate, brown seaweed often has the biggest seaweed farming market share.

Red seaweed is the second most common kind after brown seaweed, mostly due to its high protein and vitamin content and its many uses in food, medicine, and cosmetics.

By Farming Techniques:

On-shore cultivation, and off-shore cultivation are farming techniques of seaweed farming. At the moment, the highest seaweed farming market share is held by offshore cultivation. Its capacity for large-scale production, decreased competition with other land uses, and capability for coexistence with other offshore infrastructure are the reasons for its dominance.

Due to its regulated environment, which enables better management of water quality, higher yields, and year-round production, onshore cultivation is the second most popular method in seaweed farming.

By Application:

Food & beverages, pharmaceutical & nutraceuticals, cosmetics & personal care, agriculture & animal feed, and others are applications of the seaweed farming market. The market for seaweed farming is dominated by the food & beverages application segment, which is driven by the rising demand for plant-based components, their nutritional value, and the variety of food products.

Seaweed's use as a natural source of components with anti-inflammatory and antioxidant qualities makes it the second most popular application of seaweed cultivation in the market for cosmetics and personal care products.

By End User:

According to the end user, the market is categorized into commercial farmers, research institutions, government & NGOs, and others. Due to their direct engagement in production and the significant demand for seaweed across a range of businesses, commercial farmers hold the largest market share in seaweed farming.

Since of their vital role in developing technology, sustainability, and commercial applications, research institutions rank as the second most important end-user in the seaweed farming sector.

Regional Insights:

Geographically, the seaweed farming market is studied across North America, Europe, Asia Pacific, Latin America, and the Middle East & Africa.

Asia Pacific: This is one of the largest region for seaweed farming market as the region is blessed with favorable climate conditions, huge shorelines, history of seaweed production, presence of largest number of consumers, and so on.

  • China Seaweed Farming Market Insights:

Due to its huge production capacity, wide coastal regions, widely recognized aquaculture methods, and long history of seaweed cultivation and consumption, China dominates the seaweed farming industry in the Asia-Pacific region.

Europe:

Seaweed farming is expanding at the quickest rate in Europe due to growing public knowledge of the health advantages of seaweed, government support, rising demand for alternative proteins, vast geographic area, potential for expansion, and the desire for natural, sustainable, and healthful products.

  • Germany Seaweed Farming Market Insights:

Although seaweed farming is practiced in a number of European nations, the United Kingdom is a major importer and has a burgeoning domestic seaweed industry due to rising demand for functional ingredients and sustainable food products.

North America: The growing demand for plant-based goods, the nutritional advantages of seaweed, and its application in a variety of industries, such as food, cosmetics, and pharmaceuticals, are driving growth in the North American seaweed farming market.

  • U.S. Seaweed Farming Market Insights:

Maine and Alaska dominate domestic edible seaweed production, and the U.S. dominates the North American seaweed farming business due to strong research and development as well as rising consumer demand for seaweed-based goods.

Seaweed Farming Market Size

Seaweed Farming Market Report Scope:

Attribute

Details

Market Size 2025

USD 27.5 Billion

Projected Market Size 2035

USD 85.1 Billion

CAGR Growth Rate

13.2% (2025-2035)

Base year for estimation

2024

Forecast period

2025 – 2035

Market representation

Revenue in USD Billion & CAGR from 2025 to 2035

Regional scope

North America - U.S. and Canada

Europe – Germany, U.K., France, Russia, Italy, Spain, Netherlands, and Rest of Europe

Asia Pacific – China, India, Japan, Australia, Indonesia, Malaysia, South Korea, and Rest of Asia-Pacific

Latin America - Brazil, Mexico, Argentina, and Rest of Latin America

Middle East & Africa – GCC, Israel, South Africa, and Rest of Middle East & Africa

Report coverage

Revenue forecast, company share, competitive landscape, growth factors, and trends

Segmentation:

By Seaweed Type:

  • Brown Seaweed
  • Red Seaweed
  • Green Seaweed

By Farming Techniques:

  • On-Shore Cultivation
  • Off-Shore Cultivation

By Application:

  • Food & Beverage
  • Pharmaceutical & Nutraceuticals
  • Cosmetics & Personal Care
  • Agriculture & Animal Feed
  • Others

By End User:

  • Commercial Farmers
  • Research Institutions
  • Government & NGOs

By Region:

  • North America
    • U.S.
    • Canada
  • Europe
    • Germany
    • U.K.
    • France
    • Russia
    • Italy
    • Spain
    • Netherlands
    • Rest of Europe
  • Asia Pacific
    • China
    • India
    • Japan
    • Australia
    • Indonesia
    • Malaysia
    • South Korea
    • Rest of Asia Pacific
  • Latin America
    • Brazil
    • Mexico
    • Argentina
    • Rest of Latin America
  • Middle East & Africa
    • GCC
    • Israel
    • South Africa
    • Rest of Middle East & Africa

Seaweed Farming Market Competitive Landscape & Key Players

The key players operating in the seaweed farming market include, Cargill, Incorporated, ASL, Qingdao bright moon seaweed group co., LTD., The Seaweed Company, AQUAGRI PROCESSING PRIVATE LIMITED, and others. Businesses that want to thrive in the seaweed farming industry should prioritize value-added processing, innovative cultivation methods, sustainable practices, strategic alliances, and market expansion in order to meet the rising demand for seaweed products and their wide range of uses.

Seaweed Farming Market Companies:

View an Additional List of Companies in the Seaweed Farming Market

Seaweed Farming Market Share

Seaweed Farming Market Recent News

  • In January 2025, a USD 25 million initiative has been started by the U.S. Department of Energy (DOE) to cultivate seaweed in deep oceans for the production of industrial goods and energy. The effort, known as the Harnessing Autonomy for Energy Joint Ventures Offshore (HAEJO) program, will establish a large-scale seaweed farming sector by utilizing the United States' vast ocean domain, which is the largest in the world. The program is to diversify U.S. energy biomass production sources in U.S. waters, promote maritime industries, and increase deep-water seaweed cultivation by collaborating with South Korea, which has seaweed farming experience.
  • In January 2023, the first commercial-scale seaweed farm in the world was financed by Amazon and was situated between offshore wind turbines (shown in the computer-generated image above, provided by Smartland landscape architecture). Under the direction of the non-profit organization North Sea Farmers (NSF), a group of scientific researchers and seaweed industry partners are managing the project, which is anticipated to start up by the end of this year. The consortium's goal is for North Sea Farm 1 to become a model for offshore seaweed cultivation globally.
  • In December 2023, the AI-Driven Sensors for Seaweed Measurement Project was announced by Canada's Ocean Supercluster (OSC). The goal of this project is to create a compact, non-intrusive, AI-enabled sensor for online remote biomass monitoring of seaweed growth in partnership with the seaweed farming company HoldFast, located in St. John's, NL, and the ocean monitoring company Coastal Carbon, located in Kitchener, Ontario. The larger Canadian seaweed farming community will greatly benefit from this endeavor.

Analyst View:

Seaweed is a kind of marine algae that grows well in seas, oceans, and some freshwater environments. Market diversification in seaweed farming is being driven by government backing, technological developments, and growing consumer demand for seaweed in food, supplements, and other businesses.

More Related Reports

Seaweed Extract Market
Seaweed Protein Market
Precision Farming Market
Vertical Farming Market
Indoor Farming Technology Market

Seaweed Farming Market Company Profile

Company Name

Cargill, Incorporated

Headquarter

Minnesota, U.S.

CEO

Brian Sikes

Employee Count (2024)

160,000 Employees

FAQs

Seaweed farming market size was valued at USD 27.5 Billion in 2025 and is expected to reach USD 85.1 Billion by 2035 growing at a CAGR of 13.2%.

Seaweed type, farming techniques, application, end user, and region are the segmentation for the target market.

North America, Asia Pacific, Europe, Latin America, and the Middle East & Africa. North America is expected to dominate the market.

The key players operating the seaweed farming market include Cargill, Incorporated, ASL, DuPont, Qingdao Waysail Ocean Technology Co., Ltd, The Seaweed Company, AQUAGRI PROCESSING PRIVATE LIMITED, Maine Coast Sea Vegetables, Qingdao Seawin Biotech Group Co., Ltd., Qingdao bright moon seaweed group co., LTD., OCEAN HARVEST TECHNOLOGY Group plc, CP Kelco U.S. Inc., Seaweed Solutions AS, Seasol, Gelymar, and COMPO EXPERT GMBH.