• Sea by Leaf * Maine Farmed * Organic

  • What We Do

    Seaweed Farming

    Maine Grown. Organic.

    Springtide Seaweed is a fully integrated organic seaweed aquaculture company. We grow over four varieties of seaweed including sugar kelp, skinny kelp, alaria, and dulse on the largest organic seaweed farm in North America. Our seaweed nursery provides USDA organic seed to commercial and hobby farmers throughout Maine and New England-contact us with your needs. We also dry and process seaweed into a variety of forms and products.


    Serving Clients Worldwide.

    Springtide Seaweed is the industry leader in organic and sustainable seaweed aquaculture. We provide consulting services to new and existing seaweed aquaculture companies. We also advise investors interested in the seaweed aquaculture space or considering investing in seaweed or other aquaculture ventures. Additionally, we offer customizable seaweed aquaculture educational programs. Please contact us for more information.


    Pristine Waters Downeast.

    Maine is a special place, especially for seaweed. The cold clean waters of downeast Maine create ideal growing conditions for a large variety of seaweeds. Our coastal communities are rooted in the traditions of living from the sea and encompass a great respect for our marine resources. Sustainably farmed seaweed from Maine is arguably the finest seaweed in the world. We are committed to supporting our local Maine communities.

  • About Springtide Seaweed

    We grow organic seaweed in Frenchman Bay Maine, and offer seaweed ingredients and products, consulting services to the seaweed industry and investors,

    and seaweed farming technology and products.

    Our Company

    Springtide Seaweed operates the largest organic seaweed farm in North America in Down East Maine, cultivating some of the finest seaweeds in the world for people and the planet.


    We also operate a state of the art USDA Organic seaweed nursery and processing facility in Gouldsboro, Maine.

    Sarah Redmond

    Springtide Seaweed founder Sarah Redmond is a dedicated seaweed farmer, tending the wild ocean garden and inspiring others about all things Maine seaweed. She is a recognized leader in seaweed aquaculture. She has extensive expertise in seaweed nursery systems and management, new crop development, farming expertise, education and training of new farmers, harvesting, processing, product development, and crop standards. Sarah has been a leader in the seaweed aquaculture industry in Maine since 2010 through the development of new nurseries and educational programs, crops and products, sea farmer training programs, the first organic certification program for seaweed crops, and through major facilitation of the industry.

    Nick Pastore

    Farm and Operations Manager Nick Pastore is an experienced farm manager on land and sea with experience with shellfish and seaweed aquaculture. He is one of the few industry professionals with substantial seaweed processing experience as a food product and fertilizer. He brings invaluable experience and an incredible work ethic.

  • Contact Us