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Register for CHOW 2026

Registration for Capitol Hill Ocean Week 2026 from June 2 - 4 is now open to the public.
Learn More and Register
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2025 Impact Report

See what achievements the Foundation made in visitation and outreach, conservation, and maritime heritage preservation in 2025.
Read the Report
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Through a partnership with Hilton Global Foundation, the National Marine Sanctuary Foundation is working to keep the Florida Keys clean.
Dive In and Learn More
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Meet the Grantees
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Our Mission: Waters for All

The Foundation is a leading voice for our National Marine Sanctuary System, so these shared waters are places for recreation, strong economies and innovation now and for the future.
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Waters for All

25th Anniversary

These stories demonstrate the Foundation's impact and show how our work is charting a path forward for our national marine sanctuaries.
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Sign up for our email list to keep up to date with the Foundation and learn more about our National Marine Sanctuary System.
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25th Anniversary Videos

Explore Our National Marine 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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