You CAN NOT get a list for South Florida.
You can get a list for Miami.
You can get a list for Dade County.
You can get a list for Fort Lauderdale.
Sorry, no South Florida list exists.
Now, if you are looking for real estate that has been FORECLOSED you need to check Auctions, HUD and professional real estate websites. This real estate is for sale and awaits your bid.
If you are looking for PRE-Foreclosures (not well defined by industry) you need access to the tax data base of each county. Every investor on the planet is using this approach.
If you looking for distressed real estate, you need access to a REALTOR who works with investors and has a network of spotters.
If you are looking for discounted real estate, you need to commit to a multi-dimensional agent who knows how to expose this real estate to you and trusts the commitment you have made. A smart agent will not spend money for someone they do not trust.
You should be reminded, FREE lists will prove to be worth what you pay for them.
Best of success,