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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 92-1629368

GREAT ISLAND FOUNDATION INC

Tax-exempt · OLD LYME, CT 06371

Financials

$1K$9512024$498$842025
Revenue Expenses · by fiscal year end
Financials of GREAT ISLAND FOUNDATION INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-EZ$498$84$414$25,736–$25,736
December 31, 2024990$1,031$951$80$25,322$0$25,322
Financial details: 990-EZ for the year ended December 31, 2025

Revenue

Investment income
$498

Expenses

Compensation of officers, directors and key employees
$0
Professional fees and payments to contractors
$60
Other expenses
$24

Balance sheet and other

Total assets, start of year
$25,322
Total assets, end of year
$25,736
Total liabilities, end of year
–
Net assets, end of year
$25,736
Cash, savings and investments
$17,672
Gross receipts
$498

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990-EZ for the year ended December 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
ELIZABETH H KARTERPRESIDENT1$0
990 for the year ended December 31, 2024: 1 people
NameTitleHours / weekCompensation
ELIZABETH H KARTERPRESIDENT
Officer
1$0

Address and contacts

Address (IRS master file)
35 SMITHS NECK RD, OLD LYME, CT 06371-2619
In care of
% PETER MCKILLOP
Mailing address (990-N for 2023)
35 Smiths Neck Rd, OLD LYME CT 06371
Principal officer (990-N for 2023)
Elizabeth H Karter, 41 Smith Neck Rd, OLD LYME CT 06371
Signed the 990-EZ
ELIZABETH H KARTER, PRESIDENT
Phone
(203) 376-7958
Return prepared by
MILLER & COMPANY LLP

Mission

GREAT ISLAND FOUNDATION INC (GIF) ACTIONS ARE PRIMARILY FOCUSED ON RESTORING AND PROTECTING KEYSTONE SPECIES IN THE LONG ISLAND SOUND THROUGH PROJECTS PRIMARILY INVOLVING OYSTERS, EELGRASS, AND LIVING SHORELINES. ONE OF GIF'S PRINCIPAL PURPOSES IS TO EDUCATE OUR LOCAL COMMUNITY ON THE ECOLOGICAL BENEFITS OF OYSTERS AND EELGRASS.

990-EZ for the year ended December 31, 2025

Program accomplishments

  • OYSTER ACTIONS COLLECTED AND TREATED 100+ POUNDS OF OYSTER SHELL FROM LOCAL RESTAURANTS THROUGHOUT SOUTHEASTERN CT IDENTIFIED NATURAL, HISTORIC OYSTER BEDS IN THE CONNECTICUT RIVER AS SITES FOR OYSTER BED RESTORATION COLLABORATED WITH REGIONAL NON-PROFITS AND STATE PARTNERS TO FORMULATE LONG-TERM RESTORATION PLANS AND OBJECTIVES
  • EELGRASS ACTIONS CONTRIBUTED TO SCHOLARLY RESEARCH AND EDUCATION OF EELGRASS. DEVELOPED A PROJECT PROPOSAL FOR EELGRASS RESTORATION THROUGHOUT THE LONG ISLAND SOUND USING REGIONAL AND INTERNATIONAL BEST PRACTICES IDENTIFIED LOCAL AND REGIONAL PARTNERS FOR ADDITIONAL PROJECT DEVELOPMENT

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990-EZ on file
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990-N on file

File the 2026 990-N for GREAT ISLAND FOUNDATION INC

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
92-1629368
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2023
Accounting year ends
December
Files
Form 990-N (e-Postcard)
Category (NTEE)
Education (B01)
Assets (IRS master file)
$25,736
Income (IRS master file)
$498

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-EZDecember 2025$498$84$25,736IRS
990December 2024$1,031$951$25,322IRS
990-N for 2023
Officer: Elizabeth H Karter
December 31, 2023≤ $50,000 receipts––e-Postcard

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 92-1629368).

Questions about GREAT ISLAND FOUNDATION INC

What is the EIN of GREAT ISLAND FOUNDATION INC?
The employer identification number (EIN) of GREAT ISLAND FOUNDATION INC is 92-1629368.
Is GREAT ISLAND FOUNDATION INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2023.
Are donations to GREAT ISLAND FOUNDATION INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does GREAT ISLAND FOUNDATION INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of GREAT ISLAND FOUNDATION INC due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did GREAT ISLAND FOUNDATION INC last file with the IRS?
The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
Who is the principal officer of GREAT ISLAND FOUNDATION INC?
The 990-N for 2023 names Elizabeth H Karter.
Who are the officers and directors of GREAT ISLAND FOUNDATION INC?
The 990-EZ for the year ended December 31, 2025 lists 1 person; 0 received compensation from the organization.
How much revenue does GREAT ISLAND FOUNDATION INC have?
On its 990-EZ for the year ended December 31, 2025 it reported revenue of $498, expenses of $84 and total assets of $25,736 at year end.

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