Sea Wonder: Humpback Whale

Humpback whales are found all through our National Marine Sanctuary System. These ocean giants travel to Stellwagen Bank National Marine Sanctuary during the summer months to feed and then to calving grounds in Hawaiian Island Humpback Whale National Marine Sanctuary in the winter. Learn about these incredible species.

Fun Fall Activities Across the National Marine Sanctuary System

Fall can be the best time of year to enjoy some of our national marine sanctuaries. Check out our recommendations for some activities that are perfect for when it's nice and crisp out!

National Marine Sanctuary Foundation Receives $134,928 from NOAA to Clean Up Debris in Florida Keys

The National Marine Sanctuary Foundation and its local chapter in the Florida Keys will receive funding from the NOAA Marine Debris Program to remove underwater marine debris in the Florida Keys National Marine Sanctuary.

Must-See in Mallows Bay-Potomac River National Marine Sanctuary

Mallows-Bay in Southern Maryland protects nearly 200 shipwrecks known as the “Ghost Fleet” and fosters populations of wildlife connected to the Chesapeake Bay watershed. Check out our guide for the top things you need to see if you visit Mallows Bay.

Discover Wonder: The Octopus Garden

In our new short film, dive with us to the dark and uncharted depths of Monterey Bay National Marine Sanctuary to the Octopus Garden, one of the rarest & deepest fertile octopus brooding colonies on the planet.

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 history.

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.


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