The Puget Sound Estuarium was founded by the South Sound Estuary Association (SSEA) in 2007.

We encourage community members to EXPLORE animals and plants in their local estuaries, where freshwater and saltwater meet. We CONNECT people of all ages to what is unique about this delicate, vibrant ecosystem. Our educational opportunities INSPIRE individuals to take better care of our shared natural resources.

In 2010, we were granted federal 501 (c) (3) status and have been registered since 2007 as a non-profit corporation with Washington Secretary of State. South Sound Estuary Association (SSEA) DBA Puget Sound Estuarium is also registered as a Washington state charity.

Estuarium Facility

Mission Statement

Our mission is to foster learning opportunities that inspire people of all ages to connect with, protect, and enjoy the unique estuary environment of Puget Sound.

Vision Statement

An educated community that is engaged and inspired to promote the ongoing health, conservation, and restoration of south Puget Sound.

At the Puget Sound Estuarium, we live aligned with our Core Values.

Provide high quality educational opportunities
Provide an exceptional interpretive center in Olympia, WA
Respect, protect and help conserve the environment
Provide educational content that focuses on the challenges and successes in the restoration and protection of the Puget Sound
Enhance access and knowledge of parenting organizations and the programs and services they provide
Engage and inspire the community through interactive education
Facilitate opportunities for direct involvement in stewardship opportunities

Pier Peer @ Boston Harbor Marina AUGUST 27TH 2026

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