Charity Search / WISCONSIN MARITIME MUSEUM INC
Arts, Culture & Humanities (A500) IRS Verified DX Registered 990 on File

WISCONSIN MARITIME MUSEUM INC

EIN: 39-1128473 · MANITOWOC, WI 54220-6823 · United States · FY 2024 Data
3 out of 5 48 / 100 Based on 2+ years of filings
Financial strength (30%) 66/100
Reliability (20%) 55/100
Effectiveness (25%) 67/100
Impact (25%) No data yet
Financial data: FY 2024 · Scored 9/13/2026
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Mission Statement

Founded in 1969, the Wisconsin Maritime Museum has grown into the largest maritime museum on the Great Lakes. The Wisconsin Maritime Museum engages and educates the public about the maritime history of Wisconsin and the Great Lakes, including Wisconsin’s World War II submarines and the USS Cobia, by collecting and preserving artifacts and archival materials, creating interactive exhibits, developing and implementing educational programs and promoting research.

Financial Overview — FY 2024
$1.5M
Total Revenue
$1.4M
Total Expenses
$4.9M
Net Assets
43
Employees
Revenue Sources
Expense Breakdown
Program Expense Ratio 51.3%
Fundraising Efficiency 523.2%
Operating Reserve 41.08x
Liability-to-Asset 7.9%
Revenue Diversification 41.6%
Executive Compensation $124K
Compared with Peers
FY 2024
Compared with 3,450 similar organizations (United States, Arts, Culture & Humanities, $1M–$10M in expenses), FY 2024.
This organization Middle half of peers (P25–P75) Peer median
Ratio This org Peer median Position (P10 → P90)
Program expense ratio
Program expenses / total expenses · higher is better
51.3% 77.9%
P10P90
Bottom quarter
Admin expense ratio
Management and general / total expenses · lower is better
40.3% 14.4%
P10P90
Bottom quarter
Fundraising expense ratio
Fundraising expenses / total expenses · lower is better
8.4% 5.4%
P10P90
Below median
Fundraising efficiency
Fundraising expenses / gross fundraising income · lower is better
523.2% 240.4%
P10P90
Below median
Operating reserve
Months of expenses covered by net assets · higher is better
41.1 mo 16.5 mo
P10P90
Top quarter
Liabilities to assets
Total liabilities / total assets · lower is better
7.9% 10.6%
P10P90
Above median
Revenue concentration
Share of revenue from the largest source · lower is better
41.6% 74.5%
P10P90
Top quarter
Revenue growth
Year over year revenue growth
14.2% 7.8%
P10P90
Expense growth
Year over year expense growth
-3.3% 8.0%
P10P90
Surplus margin
Surplus as a share of revenue
4.4% -0.5%
P10P90
Financial History
Year Revenue Expenses Net Assets Program % Staff
2024 $1.5M $1.4M $4.9M 51.3% 43
2023 $1.3M $1.5M $4.7M 55.1% 42
2022 $1.3M $1.4M $4.7M 46.8% 44
2021 $1.4M $1.1M N/A — 42
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Organization Details
EIN
39-1128473
State
WI
City
MANITOWOC
ZIP
54220-6823
Classification
A500
Category
Arts, Culture & Humanities
Rating
3★
Coverage
A
Last Updated
Aug 2026
Foundation Code
16
Form 990
On File
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