Mission
TO FUND AND SUPPORT THE OPERATIONS AND PROGRAMS OF THE THUNDER BAY NATIONAL MARINE SANCTUARY. THIS INCLUDES PROVIDING EDUCATIONAL OPPORTUNITIES AT THE SANCTUARY BUILDING AND WITHIN THE SANCTUARY BOUNDARIES.
Public Charity
FRIENDS OF THUNDER BAY NATIONAL MARINE SANCTUARY
FRIENDS OF THUNDER BAY NATIONAL MARINE SANCTUARY, of ALPENA, MI, is a Public Charity tracked in Imperigo's IRS 990 database. The 2025 filing shows $500K in revenue, $283K in expenses, $1.4M in total assets. 9 publicly reported grants to this organization, totaling roughly $204K, appear in IRS filings.
EIN: 273494471
ALPENA, MI
Latest filing: 2025
Total Revenue$500K
Total Expenses$283K
Total Assets$1.4M
Grant Records9
Funding Total$204K
Filing Years2021–2025
Sample Grants Received
ANIMAL PROTECTION AND WELFARE
$28,750
MARINE DEBRIS COLLECTION AND DATA ANALYSIS ON GREAT LAKES SHORELINES
$7,500
$21,000
$21,000
SONAR MAPPING OF THUNDER BAY NMS AND SUPPORTING OUTREACH ACTIVITIES
$43,235
Showing up to 5 of 9 total records — full history available with membership.
Officers & Directors
DIRECTOR
Al Moe
DIRECTOR
Beach Hall
TREASURER /
Carol Shafto
PRESIDENT
Charles Wiesen
DIRECTOR
Jeff Gray
DIRECTOR
Kimberly Gildner
Officer compensation and complete director data available with membership.
Top Grant Purposes
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $500K | $283K | $1.4M |
| 2024 | $816K | $353K | $1.2M |
| 2023 | $560K | $293K | $685K |
| 2022 | $410K | $232K | $443K |
| 2021 | $133K | $155K | $232K |
Between 2021 and 2025, reported annual revenue grew from $133K to $500K (+275%), with total assets most recently reported at $1.4M.
Interactive year-over-year charts and full filing details available with membership.