Vista Irrigation District
- Provides water in San Diego county including the city of Vista. Provides information about the district and the local water supply.
- http://www.vid-h2o.org/home/index.asp

Vista Chamber of Commerce
- Includes chamber services, visitor, community, and legislative information.
- http://www.vistachamber.org/

City of Vista
- Official city site, with information about city government, the community, news, events, and recreation.
- http://www.ci.vista.ca.us