Restore and maintain water quality in Long Island Sound and its watershed.
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The mouth of the Connecticut River in Old Lyme, Connecticut. Photo by Jerry Monkman
Restore and protect the health and resilience of habitats and wildlife in Long Island Sound and its ecosystems.
A snowy egret at Bluff Point State Park in Groton, CT. Photo by Nancy Balcom
Empower Long Island Sound communities to plan for and respond to environmental challenges in ways that prioritize well-being for all.
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Inspire and empower the public to appreciate, value, and protect Long Island Sound and the waters that flow into the Sound.
Students at PS 175 in the Bronx learn how to sein. Photo by Cynthia Carris Alonso.
Grants of $50,000–$2 million are available for projects that restore habitat, improve water quality, support resilience, and more across the Long Island Sound watershed.
Proposals due: May 19, 2026
Project idea and grant writing support is available.
Find volunteer and citizen science opportunities.
Our Plan envisions a Sound with clean waters, healthy habitats, thriving wildlife, resilient coasts, and an engaged public.
Check out the objectives and indicators used to track the health of the Sound.
Where: Mashantucket Pequot Museum & Research Center, Mashantucket, CT, 06338
View Event Details
Where: Hybrid, New York
Where: Remote
Where: Virtual
Where: CUNY Graduate Center, New York, NY, 10016
More than a decade after the storm, Audubon seeks to bring back a vulnerable bird’s habitat.
Area of the Long Island Sound
Average Depth
Water Volume
Length of Coastline
Population Living Within 50 miles
Estimated Value to the Local Economy Per Year
No. of Finfish Species Found in the Sound
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