Mission
THE MARITIME AQUARIUM AT NORWALK SEEKS TO IGNITE A CONNECTION TO LONG ISLAND SOUND AND THE OCEAN TO ENRICH THE LIVES OF ALL PEOPLE AND INSPIRE ACTION TO PROTECT OUR BLUE PLANET.
Public Charity
THE MARITIME AQUARIUM AT NORWALK INC
THE MARITIME AQUARIUM AT NORWALK INC is a nonprofit organization categorized as Public Charity based in NORWALK, CT. Its most recent IRS filing (2025) reports revenue of $20.5M, expenses of $17.2M, total assets of $32.0M. Imperigo tracks 54 reported grant relationships connected to this organization totaling approximately $7.2M.
EIN: 061062912
NORWALK, CT
Museums
NTEE: A50
Latest filing: 2025
Total Revenue$20.5M
Total Expenses$17.2M
Total Assets$32.0M
Grant Records54
Funding Total$7.2M
Filing Years2021–2025
Where $100 goes at The Maritime Aquarium at Norwalk Inc
How The Maritime Aquarium at Norwalk Inc divides every $100 it spends, from its own Form 990 filings, averaged across 8 years.
$74
Programs
the work itself
$23
Management
running the organization
$3
Fundraising
raising the next dollar
Inside the $74 for programs
$62
The Maritime Aquarium at Norwalk fulfills its mission through its live animal exhibits that feature approximately 7,500 animals, comprised of about 300 species, including those that are endangered…
$11
The Maritime Aquarium at Norwalk specializes in education programming for science, technology, engineering and math (STEM) at all age levels, from pre-k through 12th grade
$1
The 4d theater offers a sensory-based movie experience for guests to enjoy and learn through the entertaining and educational films that play in the theater
Source: Form 990 filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.
Sample Grants Received
GENERAL SUPPORT
$17,979
GENERAL SUPPORT
$7,500
GENERAL SUPPORT
$150,000
ENDANGERED SPECIES COVID RELIEF
$128,742
RESTORING NORWALK SHORELINE IN LONG ISLAND SOUND
$62,791
Showing up to 5 of 54 total records — full history available with membership.
Officers & Directors
TRUSTEE, EX OFFICIO
Ann Gilmartin
TRUSTEE (FROM 12/2024)
Basil Mavroleon
DIRECTOR OF FACILITIES
Beamonte Carlos
TRUSTEE, EX OFFICIO
Brian Bidolli
TRUSTEE
Cheryl De Vonish
CHAIR
Clayton Fowler
Officer compensation and complete director data available with membership.
Top Grant Purposes
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $20.5M | $17.2M | $32.0M |
| 2024 | $16.5M | $16.1M | $27.2M |
| 2023 | $16.1M | $14.3M | $25.1M |
| 2022 | $18.2M | $13.2M | $22.9M |
| 2021 | $11.3M | $9.8M | $19.1M |
Between 2021 and 2025, reported annual revenue grew from $11.3M to $20.5M (+81%), with total assets most recently reported at $32.0M.
Interactive year-over-year charts and full filing details available with membership.