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National Aquarium INC

Public charity990-T FY2023
DBA: % SEAN DELANEY
Other · BALTIMORE, MD · EIN 52-1121163

About

To connect people with nature to inspire compassion and care for our ocean planet

In care of SEAN Delaney

Donations are tax-deductible
Category
Other
Employees
426
Volunteers
2,017

Financial Snapshot

FY ending 2024-12-31
Revenue
$74.4M
Expenses
$76.2M
Assets
$101.5M
Liabilities
$38.8M

Financial history

$76.2M$38.1M$0
161718192021222324
RevenueExpenses
Latest FY2024: $74.4M · Avg: $54.5M

501(h) election

This 501(c)(3) elected the 501(h) safe-harbor — lobbying expenditures are capped under a clear dollar formula instead of the "insubstantial part" standard.

Political & Grant Activity

Campaign Spending
Lobbying
$179K
Grants Given
NATIONAL AQUARIUM INC
Your actions

Address

501 E Pratt ST
Baltimore, MD, 21202-310

Governance

Voting board members19
Independent members18
Conflict-of-interest policyYes
Whistleblower policyYes
Doc-retention policyYes
Audit committeeYes
990 reviewed by boardYes

Compensation practices

Severance paymentsNo
Equity-based compNo
Supplemental retirement planYes
Compensation committeeYes
Used comp surveyYes
Board approved compYes
Initial contract exceptionNo

Financial detail (Schedule D)

Permanent endowment %100.0%
Endowment held by related orgYes

Fundraising activity (Schedule G)

Uses professional fundraisersYes
Net to org-$644K
Retained by contractors$644K
ChannelsMail · Phone · Email · In-person · Grant solicitation
Public records
ProPublica Nonprofit Explorer
Full 990 PDFs going back to 2001, plus parsed financial extracts. The easiest place to read actual filings.
IRS Tax Exempt Organization Search
IRS-side authoritative source. Confirms current exempt status and pulls the latest determination letter.
These open in a new tab. AllCiv doesn't host filings directly — these are the authoritative public-record sources.