- San Juan Islands Route Map, Washington State Ferries
- Kwiaht Center for the Historical Ecology of the Salish Sea
- SeaDoc Society, University of California Davis scientific organization doing marine ecosystem research and education in the Salish Sea
- Friday Harbor Laboratories of the University of Washington
- The San Juan Preservation Trust is a private, non-profit and membership-based land trust dedicated to helping people and communities conserve land in the San Juan Islands.