South Florida saw a radical reversal in single-family home sales in September, and a recent drop in interest rates is being credited for the spike in the market. All three South Florida coastal counties reported huge increases in home sales last month. The latest “Elliman Report” showed stunning increases in single-family home sales in Palm Beach County. While Palm Beach County witnessed the most extreme increase in home sales in September, other South Florida counties also had gaudy increases. Miami-Dade County, which had been the most sluggish South Florida area of home sales for months on end, also had an impressive turnaround.