Protecting the future, one oyster at a time

15% of all sales go directly to Billion Oyster Project

Mon Coeur and Billion Oyster Project have teamed up to bring you a limited-edition capsule that’s as fun as it is impactful.

Crafted from recycled materials +
support sustainability and ocean restoration

Soft, Sustainable & Ocean Friendly

Made from recycled and organic cotton and marine litter, these pieces take kids from beach play to dinner by the sea while supporting the restoration of New York Harbor.

Why it matters

New York Harbor was once home to 220,000 acres of oyster reefs—natural filters and storm barriers.Billion Oyster Project is restoring this lost ecosystem, engaging 1 million people to help rebuild reefs by 2035.

Your purchase directly supports this mission, helping to clean the water, protect the shoreline, and create a healthier future.

Want to help Billion Oyster Project?

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10 years, 150 Million Oysters

Every oyster tells a story of regeneration, resilience, and renewal.

For over a decade, Billion Oyster Project has worked to restore oyster reefs to New York Harbor through education.

With Mon Coeur, this mission goes even further — each capsule collection purchase helps fund these hands-on restoration efforts.

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Soft, Sustainable & Ocean Friendly

Made from recycled and organic cotton and marine litter, these pieces take kids from beach play to dinner by the sea while supporting the restoration of New York Harbor.

Recycled Cotton Shell Sweatshirt

Recycled Cotton Shell T-Shirt

UFP 50+ Recycled Polyester Shell Rashguard