Oceanographic Teaching Stations Inc, of Manhattan Beach, CA, is a Public Charity tracked in Imperigo's IRS 990 database. The 2025 filing shows $1.1M in revenue, $1.0M in expenses, $1.9M in total assets. 23 publicly reported grants to this organization, totaling roughly $674K, appear in IRS filings.
The specific and primary purposes are to foster and promote the public study of, and interest in, the oceans, tidelands and beaches of Southern California, the marine life therein, and the impact of human population on that environment. OTS and the Roundhouse have been fulfilling this mission since 1979, in the heart of Downtown Manhattan Beach, at the very end of the Manhattan Beach Pier.
Showing up to 5 of 23 total records — full history available with membership.
Officer compensation and complete director data available with membership.
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $1.1M | $1.0M | $1.9M |
| 2024 | $897K | $1.0M | $1.8M |
| 2023 | $982K | $872K | $1.9M |
| 2022 | $813K | $753K | $1.9M |
| 2021 | $672K | $645K | $1.8M |
Between 2021 and 2025, reported annual revenue grew from $672K to $1.1M (+63%), with total assets most recently reported at $1.9M.
Interactive year-over-year charts and full filing details available with membership.
