Skip to main content

Nonprofit · EIN 23-1584971

INDEPENDENCE SEAPORT MUSEUM

Tax-exempt · PHILADELPHIA, PA 19106

Financials

$3.3M$6.4M2024
Revenue Expenses · by fiscal year end
Financials of INDEPENDENCE SEAPORT MUSEUM by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
June 30, 2025990$3,311,365$6,426,754-$3,115,389$19,528,398$1,589,962$17,938,436
Financial details: 990 for the year ended June 30, 2025

Revenue

Contributions, gifts and grants
$761,749
of which government grants
$111,574
Membership dues
$67,183
Program service revenue
$609,439
Investment income
$1,288,219
Net rental income
$478,923
Net gain from sales of assets
$691,414
Net income from fundraising events
$6,971
Net income from sales of inventory
$31,813
Other revenue
$651,958

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$431,253
Other salaries and wages
$2,415,354
Salaries, compensation and benefits (total)
$3,465,745
Professional fundraising fees
$0
Legal fees
$331,688
Accounting fees
$29,400
Occupancy
$641,425
Travel
$6,517
Depreciation
$600,276
Program services (functional)
$4,931,586
Management and general (functional)
$917,190
Fundraising (functional)
$577,978

Balance sheet and other

Total assets, start of year
$21,826,969
Total assets, end of year
$19,528,398
Total liabilities, end of year
$1,589,962
Net assets, end of year
$17,938,436
Land, buildings and equipment
$3,913,971
Publicly traded securities
$9,143,174
Net assets without donor restrictions
$17,555,399
Net assets with donor restrictions
$383,037
Gross unrelated business income
$4,103
Gross receipts
$6,589,513
Employees
80
Volunteers
22
Year formed
1960
State of legal domicile
PA

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 for the year ended June 30, 2025, highest compensation first.

NameTitleHours / weekCompensationOther / benefits
Peter SeibertCEO & President
Officer
40$226,226$17,066
Michael FlynnExecutive VP and COO
Officer
40$145,121$13,617
Michael Timothy MadejaDirector of Education
Highest-paid employee
40$116,679$9,200
Jaewook ShimController
Highest-paid employee
40$112,465$10,841
Judy BakerDir. of HR & Volunteer Program
Highest-paid employee
33$110,288$6,142
Margaret Ann NorthDirector of Development
Highest-paid employee
40$100,648$10,730
Peter ErnstChair
Trustee or director, Officer
0.5$0$0
Courtney DisstonVice-Chair
Trustee or director, Officer
0.5$0$0
Thomas G AshtonVice-Chair
Trustee or director, Officer
0.5$0$0
James T GilesSecretary
Trustee or director, Officer
0.5$0$0
Kenneth WoodTreasurer
Trustee or director, Officer
0.5$0$0
John C DevereuxDirector
Trustee or director
0.5$0$0
George A Donnelly EsqDirector
Trustee or director
0.5$0$0
Deborah Gibbons-NeffDirector
Trustee or director
0.5$0$0
Brett E J GormanDirector
Trustee or director
0.5$0$0
9 more people on this return
NameTitleHours / weekCompensation
Robert T Healey JrDirector
Trustee or director
0.5$0
Scott G HustonDirector
Trustee or director
0.5$0
Erik C KleinDirector
Trustee or director
0.5$0
Joseph B LockleyDirector
Trustee or director
0.5$0
Tim McGrathDirector
Trustee or director
0.5$0
WILLIAM F MOEN JRDirector
Trustee or director
0.5$0
Joanne Phillips EsqDirector
Trustee or director
0.5$0
Hon Judge Annette RizzoDirector
Trustee or director
0.5$0
John P VenturaDirector
Trustee or director
0.5$0

Address and contacts

Address (IRS master file)
211 S COLUMBUS BLVD, PHILADELPHIA, PA 19106-3101
In care of
% MICHAEL FLYNN
Principal officer (990 for 2024)
JOHN VENTURA, 211 S COLUMBUS BLVD, PHILADELPHIA, PA 19106
Signed the 990
JOHN VENTURA, TREASURER
Phone
(215) 413-8655
Return prepared by
WITHUMSMITHBROWN PC

Mission

TO DISCOVER PHILADELPHIA'S RIVER OF HISTORY AND WORLD OF CONNECTIONS. SERVING A WIDE AND DIVERSE AUDIENCE AND HOLDING ITS COLLECTIONS IN TRUST FOR THE COMMUNITY, THE MUSEUM TELLS THE STORIES OF THE PEOPLE, HISTORICAL EVENTS AND ENVIRONMENTAL CHANGES OF THE DELAWARE RIVER AND ITS TRIBUTARIES. IT LOOKS TO A BROAD REGIONAL DEFINITION OF THE RIVER TO INCLUDE BOTH PHILADELPHIA AND CAMDEN AS WELL AS PORTIONS OF THE SOUTHERN COAST OF NEW JERSEY AND THE SCHUYLKILL RIVER DRAINAGE. THE MUSEUM IS THE LEADING EDUCATIONAL ORGANIZATION IN THE REGION DEDICATED TO THE HISTORY AND CULTURE OF THE DELAWARE RIVER AND ITS ESTUARIES. WE FOCUS UPON BUILDING K-16 EDUCATIONAL PROGRAMS THAT ENGAE STUDENTS IN THE RICH HISTORY OF THIS REGION AS IT RELATES TO THE WATERWAYS IN ADDTION TO PROVIDNG STEM AND ENVIRONMENTAL EDUCATIONAL OPPORTUNITIES. OUR EDUCATIONAL MISSION IS TO BUILD AN UNDERSTANDING OF THE HISTORICAL, CULTURAL, AND ENVIRONMENTAL IMPORTANCE OF THE DELAWARE RIVER WATERSHED. THE MUSEUM RETAINS A NATIONA

990 for the year ended June 30, 2025

Program accomplishments

  • THE INDEPENDENCE SEAPORT MUSEUM HOSTED A WIDE RANGE OF PROGRAMS, EVENTS, AND ACTIVITIES. STAFF UNDERTOOK THE FIRST OF NUMEROUS CHANGES TO UPGRADE EXISTING EXHIBITIONS AND PROGRAMS INCLUDING THE NEW SHIP MODEL GALLERY, INTEGRATION OF ITS HISTORIC BOAT COLLECTION INTO ITS EXISTING EXHIBITIONS, AND ENVIRONMENTAL UPGRADES TO THE FACILITIES. THE MUSEUM CONTINUES TO OFFER ITS AWARD-WINNING INSTALLATION "RIVER ALIVE" AS WELL AS THE EXTREMELY POPULAR EXHIBITION "TIDES OF FREEDOM". THE FORMER FOCUSES UPON THE DELAWARE RIVER AND ITS ENVIRONMENT WHILE THE LATTER CLOSELY EXAMINES THE ROLE OF AFRICAN-AMERICANS ALONG THE RIVER. IN ADDITION, THE MUSEUM OPERATES THE CRUISER OLYMPIA AND SUBMARINE BECUNA FOR THE PUBLIC. FINALLY, THE MUSEUM PROVIDES EXTENSIVE ON THE WATER EDUCATIONAL PROGRAMMING THROUGHOUT THE YEAR.
    Expenses $4,931,586 · revenue $609,439

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

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026Not due yet
2024June 30, 2025November 17, 2025990 on file
2023June 30, 2024November 15, 2024990 on file

IRS record

EIN
23-1584971
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
1961
Accounting year ends
June
Files
Form 990 or 990-EZ
Assets (IRS master file)
$19,528,398
Income (IRS master file)
$6,589,513

Filing history

FormYear endedRevenueExpensesAssetsReturn
990June 2025–––IRS
990-TJune 2025–––IRS
990June 2024–––IRS
990-TJune 2024–––IRS
990June 2023$3,050,797$5,133,522$21,290,179IRS
990-TJune 2023–––IRS
990June 2022$3,083,203$4,759,833$22,539,825IRS
990-TJune 2022–––IRS
990June 2021–––IRS
990-TJune 2021–––IRS
990June 2020–––IRS
990June 2018–––IRS

990-N: the IRS publishes only the latest e-Postcard per organization; earlier years appear here as 990.tax collects the monthly files. 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.

Questions about INDEPENDENCE SEAPORT MUSEUM

What is the EIN of INDEPENDENCE SEAPORT MUSEUM?
The employer identification number (EIN) of INDEPENDENCE SEAPORT MUSEUM is 23-1584971.
Is INDEPENDENCE SEAPORT MUSEUM tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1961.
Are donations to INDEPENDENCE SEAPORT MUSEUM tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does INDEPENDENCE SEAPORT MUSEUM 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 INDEPENDENCE SEAPORT MUSEUM due?
The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did INDEPENDENCE SEAPORT MUSEUM last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended June 2025.
Who is the principal officer of INDEPENDENCE SEAPORT MUSEUM?
The 990 for the year ended June 30, 2025 names JOHN VENTURA.
Who are the officers and directors of INDEPENDENCE SEAPORT MUSEUM?
The 990 for the year ended June 30, 2025 lists 24 people; 6 received compensation from the organization, the highest $226,226 (Peter Seibert, CEO & President).
How much revenue does INDEPENDENCE SEAPORT MUSEUM have?
On its 990 for the year ended June 30, 2025 it reported revenue of $3,311,365, expenses of $6,426,754 and total assets of $19,528,398 at year end.

Other nonprofits in PHILADELPHIA

All nonprofits in PHILADELPHIA · Pennsylvania · Arts, culture and humanities