Oceanographic Teaching Stations Inc
Manhattan Bch, CA
Cause (Daanaa category based on the IRS NTEE code): Education
Mission as stated by the organization
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.
From the nonprofit's IRS Form 990 filing
Latest IRS filing year on record: 2025 (source: IRS).
EIN 95-3409019 (IRS record).
Website on the organization’s public record: www.roundhouseaquarium.org
Public sources: IRS Tax Exempt Organization data; ProPublica Nonprofit Explorer (independent sites, not affiliated with Daanaa). Daanaa record.
IRS data loaded July 2026. Status may have changed since then; check the IRS link for current status.
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