I don't recommend Craig's list. Too many scammers. Be careful if you use it and don't send money to anyone!
http://www.trulia.com (Rentals Section)
http://www.zillow.com (Rentals Section)
http://www.realtor.com (Rentals Section)
Between all of those, you will get a very clear picture if you can find what you are looking for. Good luck!