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Nonprofit · EIN 83-2687170

SALTWATER CLASSROOM

Tax-exempt · CAMDEN, ME 04843

Financials

$75K$111K2024$115K$96K2025
Revenue Expenses · by fiscal year end
Financials of SALTWATER CLASSROOM by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-EZ$115,407$96,155$19,252$68,613$0$68,613
December 31, 2024990-EZ$75,181$110,682-$35,501$53,861–$58,438
Financial details: 990-EZ for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$97,383
Program service revenue
$0
Investment income
$172
Net income from fundraising events
$16,567
Net income from sales of inventory
-$789
Other revenue
$2,074

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$36,000
Salaries, compensation and benefits (total)
$37,266
Professional fees and payments to contractors
$36,399
Occupancy
$2,215
Printing, publications and postage
$448
Other expenses
$19,827
Program services (functional)
$56,983

Balance sheet and other

Total assets, start of year
$53,861
Total assets, end of year
$68,613
Total liabilities, end of year
$0
Net assets, end of year
$68,613
Cash, savings and investments
$59,118
Gross receipts
$118,614

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
Alexandra DouderaPresident / Executive Director35$36,000
Nathan DouderaTreasurer2$0
Olivia DawsonDirector1$0
Robert WhitemanDirector1$0
Brian WoldDirector1$0
Katie WeilerDirector1$0
Sarah GirouardDirector1$0
Eben KoppDirector1$0
Lynda GloverDirector1$0
Tessa AnableDirector1$0
Khadija El BarkaouiDirector1$0
990-EZ for the year ended December 31, 2024: 11 people
NameTitleHours / weekCompensationOther / benefits
ALEXANDRA DOUDERAEXECUTIVE DIRECTOR35$36,000$2,625
TESSA ANABLEDIRECTOR1$0–
OLIVIA DAWSONDIRECTOR1$0–
AEDWARD DOUDERADIRECTOR, TREASURER2$0–
KATIE WEILERDIRECTOR1$0–
SARAH GIROUARDDIRECTOR1$0–
LYNDA GLOVERDIRECTOR1$0–
EBEN KOPPDIRECTOR1$0–
LEE SCHEUERDIRECTOR1$0–
ROB WHITEMANDIRECTOR1$0–
BRIAN WOLDDIRECTOR1$0–

Address and contacts

Address (IRS master file)
184 BEAUCAIRE AVE, CAMDEN, ME 04843-4122
Mailing address (990-N for 2023)
18 trim street, CAMDEN ME 04843
Principal officer (990-N for 2023)
Alexandra Doudera, 18 trim street, CAMDEN ME 04843
Signed the 990-EZ
Nathan Doudera, Treasurer
Phone
(207) 542-2766

Mission

Saltwater Classroom's exempt purpose is to advance ocean literacy, marine science education, and environmental stewardship through educational programming, community engagement, and experiential learning opportunities. The organization develops and delivers programs that connect students, educators, and the broader public with coastal and marine environments, while also supporting conservation awareness, youth leadership, and hands-on initiatives that promote long-term protection of ocean ecosystems.

990-EZ for the year ended December 31, 2025

Program accomplishments

  • Development and continued expansion of a digital ocean education platform designed to provide accessible, engaging ocean science and conservation education. Activities included platform development, curriculum design, and content creation.
    Expenses $48,000 · grants $77,329
  • Delivery of ocean education programming and outreach activities, including curriculum-based learning experiences and community engagement focused on ocean science and conservation.
    Expenses $7,000
  • Annual gathering to promote ocean education, share program progress, engage the community, and support the organization's mission through increased awareness and participation. The organization's annual gathering serves both programmatic and fundraising purposes, including community engagement, education, and awareness of ocean conservation initiatives.
    Expenses $1,983

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. 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-N on file

IRS record

EIN
83-2687170
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
2019
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$68,613
Income (IRS master file)
$118,614

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-EZDecember 2025$115,407$96,155$68,613XML
990-EZDecember 2024$75,181$110,682$53,861XML
990-N for 2023
Officer: Alexandra Doudera
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Alexandra DOUDERA
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Alexandra Doudera
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: EDWARD DOUDERA
December 31, 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 83-2687170).

Questions about SALTWATER CLASSROOM

What is the EIN of SALTWATER CLASSROOM?
The employer identification number (EIN) of SALTWATER CLASSROOM is 83-2687170.
Is SALTWATER CLASSROOM tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2019.
Are donations to SALTWATER CLASSROOM tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does SALTWATER CLASSROOM file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of SALTWATER CLASSROOM 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 SALTWATER CLASSROOM 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 SALTWATER CLASSROOM?
The 990-N for 2023 names Alexandra Doudera.
Who are the officers and directors of SALTWATER CLASSROOM?
The 990-EZ for the year ended December 31, 2025 lists 11 people; 1 received compensation from the organization, the highest $36,000 (Alexandra Doudera, President / Executive Director).
How much revenue does SALTWATER CLASSROOM have?
On its 990-EZ for the year ended December 31, 2025 it reported revenue of $115,407, expenses of $96,155 and total assets of $68,613 at year end.

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