Cultivate. Sustain. Innovate.

From Tanzania's coastal waters to global markets, C-Weed Mwani cultivates premium seaweed, innovates through community partnership, and sustains both marine ecosystems and the thousands of farmers who depend on them.

Our Pillars

Aerial panorama revealing lush seaweed cultivation spreading across turquoise Zanzibar waters, distant kitesurfer silhouetted against golden sunset horizon

Cultivate

We cultivate more than seaweed—we nurture relationships with thousands of farmers and create  economic opportunities in coastal communities.

 

Seaweed is hung to dry on the beach,Zanzibar

Sustain

Sustainability guides everything we do. Our farming methods protect marine ecosystems while our community investments in education, clean water, and healthcare push for lasting opportunities for coastal villages.

Seaweed farm, Kiwengwa beach, Zanzibar

Innovate

Innovation drives our success through thoughtful solutions that enhance both farmer wellbeing and product quality, while continuously expanding seaweed's applications across industries from food to sustainable materials.

Our Impact

Since 1989

Building innovation and community partnerships for over three decades.

Farming community

Empowering women who represent 80% of our farming workforce.

40 Coastal Villages

Transforming communities through sustainable economic opportunities.

Over 100,000 Tons Annual Production

Supplying global markets with premium quality seaweed.

 

Nature's Versatile Resource

Spotlight on Spinosum

Eucheuma denticulatum, commonly known as spinosum seaweed, is a remarkable red marine plant cultivated along Tanzania's pristine coastline. Rich in valuable iota-carrageenan, this versatile resource reaches harvest maturity in just 45 days without requiring fertilizers, pesticides, or freshwater. The natural hydrocolloid extracted from spinosum serves as an essential ingredient in thousands of everyday products—from ice cream and dairy to toothpaste and pharmaceuticals—while its cultivation creates sustainable livelihoods for coastal communities and benefits marine ecosystems. 

Transforming Coastal Communities

C-Weed Mwani's presence has revolutionized life in Tanzania's coastal villages. What began as a new livelihood option has evolved into a catalyst for transformation—mud houses replaced by concrete homes, increased educational opportunities, and women becoming economic leaders in their communities.

Our partnership model ensures that the benefits of seaweed cultivation flow directly to farmers and their families, creating sustainable prosperity that extends beyond the shoreline.

Join Our Journey

The potential of tropical seaweed extends far beyond what we've already accomplished. C-Weed Mwani invites forward-thinking partners to join us in expanding the horizons of what's possible. Whether through research collaboration, supply chain integration, investment opportunities, or sustainability initiatives, your expertise and resources can help accelerate our shared vision for this remarkable resource.