Castroville Local News: Topix
- Local, regional, and statewide news collected from diverse sources on the web.
- http://www.topix.com/city/castroville-tx

Handbook of Texas Online: Castroville
- Offers a history of the town.
- http://www.tsha.utexas.edu/handbook/online/articles/CC/hjc5.html

The Weather Channel - Castroville, Texas
- Local forecast, current conditions, radar, links to national and international weather information.
- http://www.weather.com/weather/local/USTX0218/

Castroville Texas
- Community site featuring history, events calendar, business listings, and local attractions.
- http://www.castrovilletx.com/

AirNav: Castroville Municipal Airport
- Complete aeronautical information including location, runways, navaids, radio frequencies, FBOs and fuel prices.
- http://www.airnav.com/airport/t89