Kelp Ark

Kelp Ark Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from Kelp Ark, Nonprofit Organization, 2451 Signal Street, San Pedro, CA.

Kelp Ark, formerly AltaSeads Conservancy, is establishing and maintaining an ex situ seed bank and developing resources and technology for optimal restoration of kelp and seaweed populations.

KelpArk is honored to join Orange County Coastkeeper at Huntington State Beach for a beach cleanup and restoration event...
04/11/2026

KelpArk is honored to join Orange County Coastkeeper at Huntington State Beach for a beach cleanup and restoration event on Saturday April 18th. As an organization dedicated to advancing marine ecosystem recovery, we recognize the importance of on‑the‑ground efforts that directly support coastal health.

Thank you to Orange County Coastkeeper for organizing this powerful community effort. Together, we’re strengthening our shared commitment to a cleaner, healthier, and more sustainable ocean.

🌊✨ Meet the giant of the sea — Macrocystis pyrifera! One of the fastest‑growing organisms on Earth, creating entire unde...
04/09/2026

🌊✨ Meet the giant of the sea — Macrocystis pyrifera! One of the fastest‑growing organisms on Earth, creating entire underwater forests that shelter and support ocean life. Big, beautiful, and essential for a healthy planet. 💛🌿

🌊✨ Meet Argardhiella subulata — a red algae species thriving along the Atlantic coast. With its dense, bushy fronds and ...
04/08/2026

🌊✨ Meet Argardhiella subulata — a red algae species thriving along the Atlantic coast. With its dense, bushy fronds and branching, cylindrical form, it brings structure and shelter to shallow coastal waters.

A natural source of carrageenan and a quiet supporter of marine biodiversity, this species shows how even the smallest organisms help hold ecosystems together.

Simple. Resilient. Essential to the shoreline story.
subulata

Meet Halymenia hawaiiana — a deep‑red drift of life moving quietly through Hawaii’s warm tropical waters. 🌺🌊Soft, jelly‑...
04/07/2026

Meet Halymenia hawaiiana — a deep‑red drift of life moving quietly through Hawaii’s warm tropical waters. 🌺🌊

Soft, jelly‑like fronds sway with the current, creating shelter, color, and rhythm in the reef. This vibrant algae feeds marine life, supports coral ecosystems, and carries bioactive secrets scientists are only beginning to understand. Even the smallest pieces of the ocean can shape an entire world beneath the surface.

Meet Porphyra cuneiformis — a resilient red algae shaped by tides and time. Thin, sheet‑like, and rich in pigment, it th...
04/07/2026

Meet Porphyra cuneiformis — a resilient red algae shaped by tides and time. Thin, sheet‑like, and rich in pigment, it thrives in rocky shores and fuels both ecosystems and research. A small organism with a quietly powerful story.

Meet Ulva lactuca, the bright green “sea lettuce” of coastal waters 🌿🌊 Its thin, translucent blades are only two cells t...
04/02/2026

Meet Ulva lactuca, the bright green “sea lettuce” of coastal waters 🌿🌊 Its thin, translucent blades are only two cells thick, yet it grows quickly and thrives in nutrient‑rich shallows. This species can even help clean the water by absorbing heavy metals like copper. The small holes you see appear during its reproductive stage — a natural part of its life cycle. A simple, delicate piece of the shoreline with an important role in the ecosystem.

Meet Prionitis lanceolata 🌊 A sturdy red alga of the rocky intertidal, holding its place where waves, sunlight, and shif...
04/01/2026

Meet Prionitis lanceolata 🌊 A sturdy red alga of the rocky intertidal, holding its place where waves, sunlight, and shifting tides meet. Its thick, textured fronds create shelter for small marine life and help support the balance of coastal ecosystems. The pale, sun‑bleached patches you see are a natural response to low‑tide exposure — a quiet reminder of how dynamic this shoreline world can be. Subtle, resilient, and deeply connected to the rhythm of the coast.

🌊Meet Codium fragile — the seaweed with a story. Soft, spongy, and strangely beautiful, this green algae thrives in the ...
04/01/2026

🌊Meet Codium fragile — the seaweed with a story. Soft, spongy, and strangely beautiful, this green algae thrives in the shifting world between high and low tide. Once native to the Pacific, it’s now an invader across coastlines worldwide. Nicknamed “Dead Man’s Fingers,” it creates tiny underwater hideaways for invertebrates and becomes a home for epiphytes along its velvety surface. Nature is full of surprises — some eerie, some essential. 🌊✨

🌊Meet Feather Boa Kelp with its long, flowing blades and feather‑like branches, Egregia menziesii brings both elegance a...
03/26/2026

🌊Meet Feather Boa Kelp with its long, flowing blades and feather‑like branches, Egregia menziesii brings both elegance and strength to the Pacific coastline. It anchors rocky shores, shelters marine creatures, and thrives where waves never stop moving.

💡A reminder that nature’s most stunning designs often serve a purpose far deeper than beauty.

OceanNature

🌊 Meet the Invader Beneath the Waves Sargassum horneri may look harmless, but this fast‑growing seaweed forms dense und...
03/25/2026

🌊 Meet the Invader Beneath the Waves
Sargassum horneri may look harmless, but this fast‑growing seaweed forms dense underwater forests that block sunlight, outcompete native species, and disrupt entire ecosystems. Originally from Japan and Korea, it’s now spreading across coastlines worldwide.

💡 Understanding invasive species is the first step toward protecting marine biodiversity.

Address

2451 Signal Street
San Pedro, CA
90731

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

Telephone

+14243827644

Website

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