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Nonprofit · EIN 83-1810473

AQUATIC SEA INSTITUTE

Tax-exempt · SUMMERLAND KEY, FL 33042

Address and contacts

Address (IRS master file)
28150 OVERSEAS HWY, SUMMERLAND KEY, FL 33042-0000
In care of
% WENDY PETECK
Mailing address (990-N for 2024)
28150 OVERSEAS Hwy, Summerland Key FL 33042
Principal officer (990-N for 2024)
Wendy Peteck, 28150 Dorthy Ave, Summerland Key FL 33042

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 September, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025September 30, 2026February 16, 2027Not due yet
2024September 30, 2025February 17, 2026990-N on file
2023September 30, 2024February 18, 2025990-N on file

IRS record

EIN
83-1810473
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
2018
Accounting year ends
September
Files
Form 990-N (e-Postcard)
Category (NTEE)
Animal-related (D33)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2024
Officer: Wendy Peteck
September 30, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Wendy Peteck
September 30, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Wendy Peteck
September 30, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Ernest Cobbett
September 30, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Ernest Cobbett
September 30, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: Ernest Cobbett
September 30, 2019≤ $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 83-1810473).

Questions about AQUATIC SEA INSTITUTE

What is the EIN of AQUATIC SEA INSTITUTE?
The employer identification number (EIN) of AQUATIC SEA INSTITUTE is 83-1810473.
Is AQUATIC SEA INSTITUTE tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2018.
Are donations to AQUATIC SEA INSTITUTE tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does AQUATIC SEA INSTITUTE file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of AQUATIC SEA INSTITUTE due?
The return for tax year 2025 (the year ending September 30, 2026) is due February 16, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did AQUATIC SEA INSTITUTE last file with the IRS?
The latest return in the IRS public files is the 990-N for 2024 for the year ended September 30, 2025.
Who is the principal officer of AQUATIC SEA INSTITUTE?
The 990-N for 2024 names Wendy Peteck.