Regenerate our ocean planet

Reforest the
Ocean.

Blue-carbon forests pull carbon out of the atmosphere 5–10× faster than any forest on land. We plant them with the communities who live beside them.

4,920,113 Seatrees planted

35 Projects

12 Countries

Plant a Seatree

For individuals & foundations

Plant Seatrees

From as little as $1. Pick a project, wipe out your impact, or give a Seatree as a gift.

Start planting

For brands

Partner with us

Named sites, cause-marketing campaigns, per-product planting and Ocean Positive certification, with reporting your customers can verify.

Business programs

Six ecosystems, every continent but Antarctica

Choose your site

Every project is run by a local partner and monitored for survival and biodiversity.

Mangrove forests

Marereni, KenyaFrom $5 · 5 mangroves

Kelp forests

Nazaré, PortugalFrom $7· 1 kelp seedling

Coral reefs

Costa RicaFrom $30 · 1 coral fragment

KELP FORESTS

San Diego, CAFrom $25

Coastal Watersheds

Cardiff, CAFrom $4 · 1 sq-ft

Mangrove FORESTS

Baja, MexicoFrom $10 · 5 seatrees

View all projects

On the ground

Explore every Seatrees project

Spin the globe, switch to 3D and zoom into any site — active and completed projects, planting zones and updates mapped by our partners on explorer.land.

Active Completed

Our impact

The most effective way to pull carbon from the sky.

5–10× more carbon per acre than any forest on land

1,200+ local jobs supported across 18 countries

96% survival at 10-year monitored sites

42 restoration projects on six continents

“With Seatrees, we fill that void — we feel good about the day-to-day work we do, making sure we are being cautious with our carbon footprint and being kind to the earth.”

Colette Simpson · Head High Wines

Brands planting with us