• 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 Sound’s 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

stewardship-atlas

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

Reducing Nitrogen

nitrogen

EPA is proposing to aggressively reduce nitrogen, a nutrient that in excess leads to poor water quality.
View Strategy »

Photo of the Month

John McMurray demonstrates one way to catch menhaden, or bunker.
View Multimedia Gallery »

Make a Difference

Follow our social media campaign this summer and fall.
Learn more »

News Room

11.16.17

$1.29 Million Awarded in Grants to Improve the Health and Ecosystem of Long Island Sound - Top federal and state environmental officials from New England announced 20 grants totaling $1.29 million to local government and community groups to improve the health and ecosystem of Long Island Sound. Continue Reading

10.05.17

2017 Work Plan - The 2017 Long Island Sound Study National Estuary Program Summary Work Plan is now available in LISS's media center. Continue Reading

09.16.17

#DontTrashLISound - Today is International Coastal Cleanup day in #LISound and around the world. Here are the top 10 trash items collected… Continue Reading

05.22.17

Futures Fund Grant Program Releases 2017 Request for Proposals - Approximately $2 million will be available for clean water projects, habitat restoration and stewardship, and citizen engagement. Continue Reading

05.16.17

Sound Bytes Spring 2017 - Read the Spring 2017 issue of Sound Bytes. Download the Spring 2017 issue as a PDF here. Continue Reading

04.26.17

Year in Review 2016 Issue - The spring 2017 issue of Sound Update focuses on Long Island Sound Study's Year in Review of 2016. Continue Reading

04.14.17

Sea Grant Awards Three Research Grants Under the Long Island Sound Study - The CT and NY Sea Grant programs have awarded more than $676,000 in Long Island Sound Study research grants to look into some of the most serious threats to the ecological health of Long Island Sound Continue Reading

04.14.17

I Love My Park (and Long Island Sound) Day - Long Islanders can volunteer at a coastal Long Island Sound parks as part of I Love My Park Day. Continue Reading

Science and Technical Advisory Committee (Fourth Quarter) -

When: November 17, 2017 @ 9:00 am – 2:30 pm
Where: 100 Nicolls Rd, Stony Brook, NY 11794, USA

STAC Agenda

Continue Reading

Habitat Restoration and Stewardship Work Group (Fourth Quarter) -

When: November 29, 2017 @ 10:00 am – 2:15 pm
Where: Hallock State Park Preserve, 6062 Sound Ave, Riverhead, NY 11901, USA

 

Continue Reading

05.16.17

Sound Bytes Spring 2017 - Read the Spring 2017 issue of Sound Bytes. Download the Spring 2017 issue as a PDF here. Continue Reading

04.26.17

Year in Review 2016 Issue - The spring 2017 issue of Sound Update focuses on Long Island Sound Study's Year in Review of 2016. Continue Reading

02.15.17

Volunteer for the Sound February Newsletter - Read the February 2017 issue of the Volunteer for the Sound newsletter. Continue Reading

02.07.17

Sound Bytes Winter 2017 - Read the Winter 2017 issue of Sound Bytes. Download the Winter 2017 issue as a PDF here. Continue Reading

10.21.16

Sound Bytes Fall 2016 - Read the Fall 2016 issue of Sound Bytes. Download the Fall 2016 issue as a PDF here. Continue Reading

09.13.16

Volunteer for the Sound September Newsletter - Read the September 2016 issue of the Volunteer for the Sound newsletter. Continue Reading

08.25.16

Volunteer for the Sound August Newsletter - Read the August 2016 issue of the Volunteer for the Sound newsletter. Continue Reading

08.15.16

Sound Bytes Summer 2016 - Read the Summer 2016 issue of Sound Bytes. Download the Summer 2016 issue as a PDF here. 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

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