Hire a REALTOR who will place it on the internet through various websites and mls services, local newspaper? Depending on your Homeowner association at your condo, you may NOT be able to place a sign in the window or on lawn so you REALLY need to get the availabilty out through the web.
What city, size, and price? I have been re-locating many new folks who are leasing to begin living here.
II Elite Real Estate Services