Kelp – Alaska Mariculture

Why Alaska Kelp?

Grown in Alaska’s cold, nutrient-rich waters, kelp is a fast-growing,  climate-friendly crop emerging as a foundational resource across industries, from food and agriculture to cosmetics, pharmaceuticals,  and sustainable biomaterials.

Kelp grown in Alaska’s waters carries distinct advantages. Clean, unpolluted waters are rich in nutrients. Cool temperatures and ample summer sunlight support robust kelp growth. Alaska’s strong regulatory system ensures that cultivated kelp is sustainably managed.

Alaska’s commercial kelp industry is young — but growing fast. Alaska’s first commercial kelp harvest was in 2017. Over 344,166 pounds were harvested in 2025, with strong growth projected for 2026 and beyond. There are more than 20 kelp farms in Alaska. Harvesting takes place each spring and early summer. Kelp farming supports coastal communities and contributes to ocean health by absorbing carbon and excess nutrients.

Varieties of Alaska Kelp

There are four primary species of kelp harvested in Alaska:

Ribbon Kelp

Ribbon Kelp

Long, narrow, dark blade

Giant Kelp

Giant Kelp

Large blades forming dense underwater forests

Bull Kelp

Bull Kelp

Massive, canopy-forming blades

Sugar Kelp

Sugar Kelp

Long, golden-brown, flowing blades

Applications and Use

Kelp grown in Alaska offers superior functionality as an ingredient, enhancing and elevating a wide range of products.

Its versatility spans agricultural, food, nutraceutical, and cosmetic applications. Compared to kelp from other regions, it is more nutrient-dense and features improved texture and stability, resulting in higher-quality end products.