Papahānaumokuākea Marine National Monument

Hawaii - Pacific Ocean

Issue:

Ocean degradation

Consequences:

Collapse of marine biodiversity, disrupted ecosystems, reduced climate resilience

Approach:

Large-scale marine protection

A Sacred Ocean Sanctuary That Proves Protection Works

Far from the shores of mainland Hawai‘i, deep in the Pacific Ocean, lies one of the most powerful examples of what happens when we let nature recover: the Papahānaumokuākea Marine National Monument - one of the largest marine sanctuaries on the planet.

This vast marine protected area covers 1.5 million square kilometers and is larger than all U.S. national parks combined. It protects more than 7,000 species, including endangered Hawaiian monk seals, green sea turtles, and some of the healthiest coral reefs on Earth. But Papahānaumokuākea’s significance reaches far beyond biodiversity.

Its name comes from Hawaiian tradition: Papahānaumoku (Earth Mother) and Wākea (Sky Father). It’s a sacred space that reflects deep spiritual and cultural ties to the ocean. It’s also one of the first large-scale marine reserves to be co-managed by Indigenous leaders, blending traditional knowledge with cutting-edge conservation science.

Why the Papahānaumokuākea Marine National Monument Matters

Coral reefs are bleaching. Species are disappearing. Climate change, pollution, and overfishing are taking a toll. Our oceans are in trouble. Our Planet is in trouble.But Papahānaumokuākea gives us hope. Some facts:

  • More than 7,000 species find shelter here, including many found nowhere else
  • Coral reefs are thriving
  • It’s a refuge for endangered species like the Hawaiian monk seal
  • Sacred sites and traditional navigation routes are being protected

Since it was granted full protection in 2006, life here has rebounded. Fish populations have flourished. Coral ecosystems have stabilized. And Indigenous caretaking practices — rooted in centuries of respect and reciprocity — have been revitalized.

Check out 6 Reasons Why We Can’t Live Without Our Oceans

Indigenous Leadership in Marine Conservation

Papahānaumokuākea is co-managed by a unique partnership that includes the Office of Hawaiian Affairs, the U.S. Fish and Wildlife Service, NOAA, and Native Hawaiian organizations.

This collaborative governance model centers Indigenous voices and values in the heart of marine protection — creating a blueprint for conservation that is just, effective, and deeply rooted in place.

This kind of leadership respects both ecosystems and people. It values stories passed down through generations, and combines them with research and data. It’s not just about saving species. It’s about healing relationships — with the ocean and with each other.

A Global Model for Marine Protected Areas

Papahānaumokuākea inspired conservation efforts around the world — including the 30x30 goal, which aims to protect 30% of the world’s oceans by 2030.

It’s one of the clearest success stories we have. And it offers hope in a time when ocean headlines are often grim.

And it’s living proof that protection works:

  • Because when we give ecosystems space to breathe: They recover.
  • When we keep extractive industries out: Life returns.
  • When we combine science and traditional knowledge: We find lasting solutions.

A Monument of Ocean Conservation

Papahānaumokuākea is more than a dot on the map. It’s a sanctuary of resilience. A place where the ocean is healing. Where culture is alive. Where protection means something deeper.

It’s a monument of our time and reminds us of what’s possible. It proves that change is possible, when we act with care and protect what protects us.

It shows us how resilient the ocean is and that if we allow it to heal - it will.

Photo Credits: ©
Green sea turtle gliding through clear ocean waters in Papahānaumokuākea Marine National Monument
School of fish swimming above coral reefs in the protected waters of Papahānaumokuākea
Colorful coral reef with butterflyfish in one of the world’s healthiest marine ecosystems, Papahānaumokuākea

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