“Amid a series of headline-making luxury sales, Nantucket saw its highest-grossing month of real estate activity ever recorded. Monthly sales included 65 transactions totaling $372 million, the island’s all-time record for monthly dollar volume thanks to nine residential transactions exceeding $10 million, including the highest year-to-date sale at $37.7 million. On a cumulative basis for the 10 months ending October 31, 2025, there were 342 property transfers totaling $1.49 billion, an increase of 37 percent and 36 percent from 2024, and bested only to the same period in 2021. Beyond these standout figures, overall contract activity declined—consistent with typical seasonal patterns—and inventory levels continued to fall below those of a year ago.”

Here are Fisher’s October market insights from Jennifer Shalley Allen…