This way you won't find yourself making inquiries on sites full of fraudulent or outdated listings.
Sites like Craigslist, Trulia and Zillow are loaded with ton's of rental listings that can be manually added that ultimately are never updated or for groups who find victims who commit fraud.
Joe Van Fossen
Keller Williams Realty
Realty One Group
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!