Chat with fuckbuddys
Also you've probably looked at Craigslist "Casual Encounters" category, but if you haven't then don't bother checking it out unless you are fishing for scary creatures that live in the crust under the bottom of the barrel.
You also have the option to communicate using your webcam as well.
You can get right to the point and find girls near you who openly tell you they are looking for no-strings attached (NSA) hookups.
Most dating sites online are heavily discounted for women because good girls can pick up guys anywhere and are the lure for guys to check out the site.
Figure it's the same cost as buying a few drinks a month, but you get to survey a much larger group of girls that are good to go.
Many girls will delete their listings or go private after using the service for a while. When you find a girl you'd like, use you best charm and chat with her live or send a message that will get her attention.