• An Estuary of
    National Significance

    Improving Long Island Sound’s water quality helps
    sustain one of the region’s most beautiful resources.

    Learn More

    Eelgrass off Fishers Island, courtesy of Cornell Cooperative Extension Marine Program
  • Maintaining
    Healthy Habitats

    The Sounds habitats are home to more
    than 1,200 species of invertebrates,
    170 species of fish, and dozens of
    species of migratory birds.

    Learn More

    A least tern eats a mummichog at Sandy Point in New Haven. Photo by Patrick Comins
  • Protecting Watersheds

    The Long Island Sound Futures Fund helps fund watershed groups to protect
    habitats and improve water quality in tributaries of Long Island Sound.

    Learn More

    An early fall view of the Eightmile River, a tributary of the Connecticut River, in Lyme, CT. Photo by Jack Silky.
  • Conserving
    Natural Areas

    The goals of the Long Island Sound
    Stewardship Initiative are to conserve
    natural areas, increase access to the
    Sound, and plan for multiple uses.

    Learn More

    Hiking at Pleasant Valley Preserve. Photo by Jerry and Marcy Monkman

Stewardship Atlas


Explore the 33 Stewardship Areas along the coast of  Long Island Sound.
View Atlas »

The Data


LISS’s environmental indicators track measures that show the health of Long Island Sound.
View Data »

Photo of the Month

shoelace park canoeing

Joseph Sanchez's first canoe trip at the restored Shoelace Park. in the South Bronx.
View Multimedia Gallery »

Make a Difference


You can volunteer to help restore and protect the Sound.
Learn more »

News Room

Educators conduct hands-on activities that they can use with their students during field trips to the beach. They are at a 2012 “Teach at the Beach” Mentor Teachers Workshop  in Wading River (Photo by Larissa Graham)


NY Sea Grant Seeks Teachers to Become Long Island Sound Mentor Teachers - NY Sea Grant seeks teachers to become Long Island Sound Mentor Teachers for the October 1, 2015 - September 30, 2016 time period. Continue Reading

ted kennedy


Ted Kennedy Jr. to Speak at Citizens Summit - The newly elected state senator will be the keynote speaker at the 24th annual conference. Continue Reading


Sea Grant Programs and US EPA Long Island Sound Study Award $843,424 for Long Island Sound Research - The researchers will examine nutrient cycling and the impacts of nitrogen pollution on water quality in Long Island Sound. Continue Reading



2015 Futures Fund Grant Program Announced - NFWF has announced that the Long Island Sound Futures Fund 2015 Request for Proposals (RFP) is now available. Continue Reading

save the date 2 sb.


Long Island Sound Citizens Summit - This year's conference on April 10 focuses on nitrogen pollution, and its impact on water quality and the economy. Continue Reading



Sound Bytes Winter 2015 - Read the Winter 2015 issue of Sound Bytes. Download the Winter 2015 issue as a PDF here. Continue Reading



Long Island Sound Futures Fund Technical Grant Workshops - The Long Island Sound Futures Fund will be holding technical assistance workshops CT and NY, and a webinar in March. Continue Reading

Photo credit: NOAA


Long Island Alewife Monitoring Workshops - Learn about the river herring’s migration and take part in monitoring its spawning activity. Continue Reading


26th Annual Nonpoint Source Workshop -

When: April 28, 2015 – April 29, 2015 all-day
Where: Harakeet Inn, 162 Main Street, Freeport, ME 04032, USA

Save the Date & Call for Abstracts!  The 26th Annual Nonpoint Source Pollution Conference for the New England states and New York will be held on April 28-29, 2015 at the Harraseeket Inn in Freeport,[...]

Continue Reading

stewardship_logo_final [Converted]

Trails Day at Caumsett State Park -

When: June 6, 2015 @ 8:30 am
Where: Caumsett State Historic Park Preserve, Caumsett State Park, 25 Lloyd Harbor Road, Huntington, NY 11743, USA

Join the Caumsett Foundation to learn about the grassland restoration project and the Baltimore Checkerspot butterfly while participating in an invasive weed pull in the restoration area. Bring garden gloves and wear a long-sleeved shirt[...]

Continue Reading



Sound Bytes Winter 2015 - Read the Winter 2015 issue of Sound Bytes. Download the Winter 2015 issue as a PDF here. Continue Reading



Sound Bytes Winter 2014 - Read the Winter 2014 issue of Sound Bytes. Download the Winter 2014 issue as a PDF here. Continue Reading



Sound Bytes Fall 2014 - Read the Fall 2014 issue of Sound Bytes. Download the Fall 2014 issue as a PDF here. Continue Reading



Making a Difference Issue - The fall 2014 issue of Sound Update focuses on individuals that share a common goal of giving back to their communities and making a difference to protect and restore the Sound. Continue Reading



Sound Bytes Summer 2014 - Read the Summer 2014 issue of Sound Bytes. Continue Reading



Sound Bytes Spring 2014 - Read the Spring 2014 issue of Sound Bytes. Continue Reading



20-Year Anniversary of the CCMP Issue - The winter 2013-2014 issue of Sound Update focuses on the 20-year anniversary of LISS's Comprehensive Conservation and Management Plan. Continue Reading



Sound Bytes Winter 2013 – 2014 - Read the Winter 2013 – 2014 issue of Sound Bytes. Continue Reading

About the StudyAbout the Study

The Long Island Sound Study (LISS) is a cooperative effort involving researchers, regulators, user groups and other concerned organizations and individuals. These people are working together to protect and improve the health of the Sound. Learn more

Subscribe to receive our e-newsletter, Sound Bytes by providing your email address. Interested in a free copy of our print newsletter, Sound Update? Then also provide your home/company/school address.