May 2017 Nantucket real estate sales included 27 transactions totaling $57.3 million, a slight increase from April 2017 but a respective decline of 29 percent and 14 percent from one year ago. On a cumulative basis, sales activity through May 31, 2017 included 141 transactions totaling $284.8 million, a 20 (#) percent and 11 percent ($) decline from the same period one year ago.