The Kalman Co.
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Nantucket Real Estate Insights

Two ways to know the island.
The numbers, and the knowing. Both written by Sean Kalman.
Published quarterly
$2.8M
Median price, Q2
157
New listings
10 mo.
Of inventory
The Market Report
Every quarter: median prices, transactions, days on market, and an honest read on where the island is heading — no broker-speak.
Read Q2 2026 →
Talking Nantucket — the latest post
Talking Nantucket
The blog: neighborhood spotlights, buyer guides, short-term rental rules, and island truths — twelve posts and counting.
Latest: Daffodil Weekend →
Home Listings Insights Talking Nantucket Neighborhood Guides Market Report Buying Guide Home Valuation About & Team Contact
The Kalman Co.
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508-228-4578 · sean@thekalmanco.com · Brokered by eXp Realty