July 2009 sales: 10
July 2010 sales: 20
Increase: 100 percent
This town on the southeastern elbow of Cape Cod has also seen strong year-to-date sales, which are up 29 percent of the same period last year. The median home price in July also saw a good bump, from $378,500 in 2009 to $615,000 this year.
Pictured: An aerial view of Chatham Harbor.
Wendy Maeda/Globe Staff Photo