Foundation Applauds Administration's Support for Sanctuary Designation Around Pacific Remote Islands


Announcing the 2023 Ocean Education Exploration Grants to Advance Diversity, Equity, and Inclusion


Take Action: Support the designation of the Lake Ontario National Marine Sanctuary


JUST RELEASED: Ocean Protection in the United States

A National Public Opinion Survey

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.

Read our 2022-2024 Strategic Plan

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 15 national marine sanctuaries and two marine national monuments and spans more than 620,000 square miles of American waters.

Explore Sanctuaries to Save Spectacular

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.

Support the National Marine Sanctuary Foundation


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