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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 13-3380665

MONTAUK MARINE SCIENCE INSTITUTE INC

Tax-exempt · MONTAUK, NY 11954

Financials

$0$8K2023$0$8K2024$0$7K2025
Revenue Expenses · by fiscal year end
Financials of MONTAUK MARINE SCIENCE INSTITUTE INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-EZ$0$7,385-$7,385$23,915–$23,915
December 31, 2024990-EZ$0$7,645-$7,645$31,300–$31,300
December 31, 2023990-EZ$0$8,149-$8,149$38,945–$38,945
Financial details: 990-EZ for the year ended December 31, 2025

Revenue

Expenses

Grants and similar amounts paid
$625
Compensation of officers, directors and key employees
$0
Professional fees and payments to contractors
$1,150
Occupancy
$5,574
Other expenses
$36

Balance sheet and other

Total assets, start of year
$31,300
Total assets, end of year
$23,915
Total liabilities, end of year
–
Net assets, end of year
$23,915
Cash, savings and investments
$11,260

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
LAWRENCE T PENNYTrustee0$0
CHARLES ENGSTROMTrustee0$0
MIKE CAPPELLUZZOTrustee0$0
John D'AgostinoDirector0.25$0
990-EZ for the year ended December 31, 2024: 4 people
NameTitleHours / weekCompensation
LAWRENCE T PENNYTrustee0$0
CHARLES ENGSTROMTrustee0$0
MIKE CAPPELLUZZOTrustee0$0
John D'AgostinoDirector0.25$0
990-EZ for the year ended December 31, 2023: 4 people
NameTitleHours / weekCompensation
LAWRENCE T PENNYTrustee0$0
CHARLES ENGSTROMTrustee0$0
MIKE CAPPELLUZZOTrustee0$0
John D'AgostinoDirector0$0

Address and contacts

Address (IRS master file)
PO BOX 820, MONTAUK, NY 11954-0620
In care of
% ROGERS & WELLS
Mailing address (990-N for 2011)
PO Box 542, Montauk NY 11954
Principal officer (990-N for 2011)
Anthony D'Agostino, PO Box 542, Montauk NY 11954
Signed the 990-EZ
John D'Agostino, Director
Phone
(631) 668-5804
Return prepared by
ADMINISTRATIVE TAX PARTNERS INC

Mission

THE LONG TERM MAINTENANCE OF STOCKS OF GENETICALLY SELECTED STRAINS OF THE AMERICAN LOBSTER AND THE CROSS BREEDING OF MUTANTS AND STUDY OF REPRODUCTIVE BEHAVIOR, PHYSIOLOGY AND NUTRITION.

990-EZ for the year ended December 31, 2025

Program accomplishments

  • Data acquisition and subsequent pending results of the cross breeding of the American Lobster

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-EZ on file
2023December 31, 2023May 15, 2024990-EZ on file

File the 2026 990-N for MONTAUK MARINE SCIENCE INSTITUTE INC

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

IRS record

EIN
13-3380665
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1987
Accounting year ends
December
Files
Form 990-N (e-Postcard)
Assets (IRS master file)
$23,915

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-EZDecember 2025$0$7,385$23,915XML
990-EZDecember 2024$0$7,645$31,300XML
990-EZDecember 2023$0$8,149$38,945XML
990-EZDecember 2022–––IRS
990-EZDecember 2021–––IRS
990-EZDecember 2020–––IRS
990-EZDecember 2019–––IRS
990-EZDecember 2018–––IRS
990-N for 2011
Officer: Anthony D'Agostino
December 31, 2011≤ $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 13-3380665).

Questions about MONTAUK MARINE SCIENCE INSTITUTE INC

What is the EIN of MONTAUK MARINE SCIENCE INSTITUTE INC?
The employer identification number (EIN) of MONTAUK MARINE SCIENCE INSTITUTE INC is 13-3380665.
Is MONTAUK MARINE SCIENCE INSTITUTE INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1987.
Are donations to MONTAUK MARINE SCIENCE INSTITUTE INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does MONTAUK MARINE SCIENCE INSTITUTE INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of MONTAUK MARINE SCIENCE INSTITUTE 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 MONTAUK MARINE SCIENCE INSTITUTE 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 MONTAUK MARINE SCIENCE INSTITUTE INC?
The 990-N for 2011 names Anthony D'Agostino.
Who are the officers and directors of MONTAUK MARINE SCIENCE INSTITUTE INC?
The 990-EZ for the year ended December 31, 2025 lists 4 people; 0 received compensation from the organization.
How much revenue does MONTAUK MARINE SCIENCE INSTITUTE INC have?
On its 990-EZ for the year ended December 31, 2025 it reported revenue of $0, expenses of $7,385 and total assets of $23,915 at year end.

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