Here are a few good Catholic websites:

Official Sites:
+ The Vatican: http://www.vatican.va/phome_en.htm
+ The US Conference of Catholic Bishops: http://www.usccb.org/index.shtml
+ Catholic Bible: http://www.usccb.org/nab/bible/
+ Catechism of the Catholic Church: http://www.usccb.org/catechism/text/index.htm
+ Code of Canon Law: http://www.vatican.va/archive/ENG1104/_INDEX.HTM
+ Documents of Vatican II: http://www.vatican.va/archive/hist_c...ncil/index.htm

Other sites:
+ Catholic Online: http://www.catholic.org/
+ Catholic.net: http://www.catholic.net/
+ Catholic Encyclopedia: http://www.newadvent.org/cathen/index.html
+ Catholic Exchange: http://www.catholicexchange.com/
+ ETWN: http://www.ewtn.com/
+ Catholic Answers: http://www.catholic.com/library.asp
+ Catholic Culture: http://www.catholicculture.org/

With love in Christ.