Home sales in the Hamptons, the beachside resort towns favored by celebrities and Wall Street financiers, more than doubled in the first half of 2010 from a year earlier, according to property broker Corcoran Group. Sales in 15 New York villages and hamlets that make up the Hamptons rose to 923 homes from 433, Corcoran said in a report today. The dollar volume of all transactions more than doubled to $1.5bn, while the median price of homes sold climbed 34% to $935,000.