Seattle Aquarium Society-Seas
1483 Alaskan Way Pier 59, Seattle, WA · IRS data through FY2024
Revenue, expenses and net assets
Revenue Expenses Net assets
| Tax year | Revenue | Expenses | Net assets |
|---|---|---|---|
| FY2024 | $54,098,416 | $34,291,394 | $119,425,807 |
| FY2023 | $53,341,342 | $30,313,177 | $99,618,785 |
| FY2022 | $45,089,878 | $24,318,050 | $76,590,620 |
| FY2021 | $40,153,392 | $17,812,498 | $55,818,792 |
| FY2020 | $21,125,199 | $14,793,362 | $33,477,898 |
| FY2019 | $31,831,567 | $18,932,478 | $27,146,061 |
| FY2018 | $24,866,548 | $19,366,328 | $14,887,014 |
| FY2017 | $19,338,489 | $16,861,772 | $9,376,794 |
| FY2016 | $17,310,915 | $16,757,036 | $7,093,141 |
| FY2015 | $15,227,924 | $14,688,610 | $6,539,262 |
| FY2014 | $14,554,699 | $12,937,607 | $5,999,316 |
| FY2013 | $14,467,857 | $13,003,625 | $4,382,319 |
| FY2012 | $13,444,671 | $12,764,307 | $2,920,103 |
| FY2011 | $11,434,534 | $12,453,021 | $2,246,373 |
Form 990 filings
The returns filed by Seattle Aquarium Society-Seas (EIN 91-1189249), including Form 990 PDFs and e-file data by year, are available in ProPublica's Nonprofit Explorer. The figures on this page come from IRS data files built from those returns.
Where the revenue came from
| Source | Amount | % of revenue |
|---|---|---|
| Contributions & grants | $26,278,425 | 49% |
| Program service revenue | $25,136,404 | 46% |
| Other revenue | $2,683,587 | 5% |
Where the money was spent
| Category | Amount | % of expenses |
|---|---|---|
| Program services | $26,639,788 | 78% |
| Management & general | $4,521,250 | 13% |
| Fundraising | $3,130,356 | 9% |
What the numbers show
- Contributions & grants made up 49% of total revenue in FY2024.
- Program services accounted for 78% of functional expenses, management & general 13%, and fundraising 9%.
- 78% of functional expenses went to program services in FY2024. That is higher than 31.1% of 241 Animal-Related organizations nationwide (too few in WA for a state comparison).
- Net assets covered about 41.8 months of expenses at the end of the reporting year. That puts it in the 78th percentile among 312 Animal-Related organizations in WA.
- Total revenue was the highest among 313 Animal-Related organizations in WA.
- Total revenue rose from $11,434,534 in FY2011 to $54,098,416 in FY2024. Revenue increased in 12 and decreased in 1 of 13 year-over-year comparisons.
- Expenses exceeded revenue in 1 of 14 reported years (FY2011).
- Net assets grew from $2,246,373 to $119,425,807 between FY2011 and FY2024.
- Contributions and grants made up 24% of revenue in FY2011 and 49% in FY2024.
- Listed in the IRS Publication 78 data as eligible to receive tax-deductible contributions (public charity).
Figures compared against other organizations of the same NTEE program area in the same state. See the methodology page for how these are calculated and the guide to reading nonprofit financials for their limits.
About this organization
INSPIRE CONSERVATION OF OUR MARINE ENVIRONMENT.
IRS status
| Ruling year | 1983 |
| Subsection | 501(c)(3) |
| Classification | Public charity |
| Program area (NTEE) | D115 — Animal-Related |
| Donations | Listed in the IRS Publication 78 data as eligible to receive tax-deductible contributions (public charity). |
Similar organizations
- Woodland Park Zoological Society — Seattle, WA · $83,715,805
Source: Internal Revenue Service — Exempt Organizations Business Master File (downloaded November 4, 2026), Statistics of Income extracts, Form 990 e-file data, Publication 78 and the Automatic Revocation list. Figures are as reported by the organization; IRS processing may adjust them. This is not a charity rating and not tax advice. Confirm deductibility in IRS Tax Exempt Organization Search.
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