- San Diego Historical Society
- With photos, postcards, stereoviews, journal articles, biographies, and stories. - Coronado Historical Association
- Coronado - Collecting, preserving, and presenting historical information related to the unique resort community of Coronado. - Gaslamp Quarter Historical Foundation
- Historical foundation promoting the educational, historical, and cultural development of the Gaslamp Quarter in San Diego, California. Offers walking tours and local events. - Computer Genealogy Society
- An association of people using personal computers in the pursuit of their genealogical research. - Friends of Leo Carrillo Ranch
- Carlsbad - Historic ranch used as a working rancho and retreat by actor Leo Carrillo. - Pacific Wars Memorial Foundation
- Oceanside - Nonprofit organisation dedicated to the memory of the armed service personnel and civilians who fought to preserve freedom and democracy in the Pacific in World War II. - Outlaws
- 1880s Western recreation and reenacting. - Barony of Calafia
 - Bonsall Area for a Rural Community (BARC)
- Bonsall - Works to preserve and promote Bonsall's rural heritage and community. - La Jolla Historical Society
- La Jolla - Dedicated to the discovery, collection, and preservation of La Jolla's heritage. Browse through their collections and programmes, and read about the history of La Jolla, California.
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