There were 13 sales over $5 Million on Nantucket in 2011, ranging from $5,150,000 to $17,000,000. Of the 13 sales, 4 were pieces of vacant land and 9 were residential properties. Surprisingly, the average time on the market was 318 days, about the same as the market overall. The selling price, as an average of list price, for sales over $5 Million was 86%, lower than the 91% market average. What these properties had in common is that they were either waterfront properties, or those with strong waterviews. The vacant land was, for the most part, large parcels that offered privacy and water views and access. To see the complete list, including photographs, please READ ON. For a chart of Nantucket real estate sales over $5 million during the past 10 years, click here.