Marine Debris in Papahānaumokuākea

Why it’s a problem even in the most remote places, and how you can help

Mallows Bay-Potomac River ``Ghost Fleet`` Gets Closer to Sanctuary Status

The sanctuary is expected to be finalized by the end of 2019 and will be the first designated in 19 years.

National Marine Sanctuary Foundation Applauds New Sanctuary Designation Proposed for Great Lake Ontario

The National Marine Sanctuary Foundation commends the National Oceanic and Atmospheric Administration (NOAA) for initiating the designation of Great Lake Ontario nomination as a national marine sanctuary.

Who we are

The Foundation is a leading voice for U.S. protected waters, working with communities to conserve and expand those special places for a healthy ocean, coasts, and Great Lakes. Working together, we safeguard species and the places they call home and preserve America’s maritime resources.

National marine sanctuaries and monuments — our wondrous protected waters — teeming with life and inspiring a proud community of stewards for our ocean, coasts, and Great Lakes.

The National Marine Sanctuary Foundation supports projects across the National Marine Sanctuary System, a network of nationally significant protected areas in our ocean, coasts, and Great Lakes. The National Marine Sanctuary System is comprised of 14 individual sites and spans more than 600,000 square miles of American waters.

Explore Sanctuaries

Explore America’s national marine sanctuaries. Discover the wonders they hold, and uncover what makes each site unique here. Engage with us to protect our ocean, coasts, and Great Lakes.


Stay Connected With Us:

Register for our newsletter

Upcoming Events

No Upcoming events