Butterflies of Cameron County, Texas
- Information about and pictures of all the known species of butterflies in the county.
- http://www.butterfliesandmoths.org/map?dc=5909&_dcc=1&si=44

Handbook of Texas Online : Cameron County
- Current and historical information about Cameron County.
- http://www.tsha.utexas.edu/handbook/online/articles/CC/hcc4.html

TXDOT County Maps Graphic Interface - Cameron
- Cameron County maps.
- http://txdot.lib.utexas.edu/raw/tccame01.html

Cameron County Park System
- A series of public parks located in Cameron County, South Texas, including three on South Padre Island and one in the Laguna Atascosa Wildlife Refuge.
- http://www.co.cameron.tx.us/parks/parks.html

Texas Farm Bureau - Cameron County Farm Bureau
- A description of the bureau, its local offices and activities.
- http://www.txfb.org//county/cameron/cameron.htm

The Political Graveyard: Cameron County
- Statistical and demographic information.
- http://politicalgraveyard.com/geo/TX/CA.html

Amphibians and Reptiles in Cameron County
- Texas Cooperative Wildlife Collection list of species found in the county.
- http://wfscnet.tamu.edu/tcwc/checklist/CAMER031.HTM

Rio Grande Valley, Texas - Cameron County
- A general information site for the Rio Grande Valley Texas, sponsored by Technidata.
- http://www.technidata.com/riogrand.htm