What we do

We are cleaning our oceans by restoring oyster reefs

What happened to oyster reefs?

Oyster reefs used to cover 20-30% of the North Sea . However, 150 years ago oysters were a popular cheap source of protein, and were eaten to virtual extinction without realising the damage this would cause on the environment.

Oysters are amazing creatures. They play a key role in their ecosystems, protect our shores from erosion, generate biodiversity, remove excess nitrogen and filter the water.

We need to bring oysters back to restore ocean health.

Our vision

We exist to help our oceans before it's too late

The fastest way to restore lost oyster reefs

Our team of outstanding scientists has researched the best possible way to help oysters, and developed a tool-set to revolutionise marine restoration, making it meaningful, cost-effective and scalable.

We’ve run lab and field tests in The Netherlands and Denmark to prove the efficiency of our tool-set with successful results.

A helping hand: The Mother Reef

Biodegradable. Climate Friendly. Low Cost.

The currently deserted sea floor is not a suitable place for oysters to live. They would sink in the sand and die.

So we created the Mother Reef.

These bricks will be the base that will cover the deserted sea floor. We worked out the best conditions to help baby oysters attach to the Mother Reefs and release them into the ocean back to where they used to be, and become home to millions of other creatures too.

We partner with local fishermen to build the reefs

Our projects can be deployed anywhere in the world where oyster restoration is needed. We partner with local fishing communities and provide them with a new revenue stream and type of work.

Fishermen will use their boats, equipment and knowledge of the water to plant the Mother Reefs into the ocean. They will also benefit from the improvement of the ocean health and biodiversity.

Marine restoration at a scale never seen before

Thanks to the Mother Reef, the cost of restoring a reef will be significantly low at 0,25€ per oyster, compared to other projects with a cost varying between 20 to 1.000€ per oyster. Now marine restoration can finally reach large scale.

To fund more oyster restoration projects, we sell the ecosystem services that oyster reefs provide to businesses that want to become more sustainable and manage their environmental footprint. This way, for every reef we build, we can fund the next three, and so on.

Partners and supporters

Read our latest blogs and articles

Can oyster reefs help real estate developers?​

Can oyster reefs help real estate developers meet nitrogen regulations? Excess nitrogen pollution has stalled housing projects, but oyster reefs act as natural biofilters, removing nitrogen from water. At Oyster Heaven, we build large-scale reefs with our patented Mother Reef technology, restoring marine habitats while supporting sustainable development.

Read More »

From Ocean Enthusiast to Mother Reef Steward: Meet Stefaan

Meet Stefaan, a passionate ocean lover who took action to restore marine ecosystems by becoming a Mother Reef Steward. Discover what inspired him to adopt a Mother Reef and help restore 750 oysters, contributing to the revival of vibrant underwater habitats. Join the movement and be part of ocean restoration today!

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Rewilding the Ocean: Restoring Oyster Reefs as a Holistic Solution

In the face of climate change, biodiversity loss, and the growing threats to our oceans, the concept of rewilding is emerging as an approach to restoring ecosystems to their natural states.
At Oyster Heaven, we believe that rewilding – or seawilding – the ocean through the restoration of oyster reefs is a key solution to help nature heal itself. By strategically restoring oyster reefs in specific locations, these reefs act as marine biodiversity hotspots encouraging species to return and thrive.

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Adopt a Mother Reef!

Make a measurable difference for the ocean today.

You can now adopt a Mother Reef and help restore 100 oysters!

Adopt a Mother Reef!

Make a measurable difference for the ocean today.

You can now adopt a Mother Reef and help restore 100 oysters!

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