This week’s fifth spot is taken by a new construction home with six bedrooms and nine bathrooms. Though the lot is small, the house is large, at nearly 5,000 square feet of modern luxury. Per its listing, this home “offers the best of Nantucket living.”

Prices, sale dates and ownership information sourced from The Warren Group, publisher of Banker & Tradesman. Listing agent information sourced from MLS. Property size sourced from public records. Property size sourced from public records. Homes represent the most expensive single-family and residential condominium transactions for May 27-June 3, 2025.

1) 260 Commonwealth Ave #II, Boston

Price: $11,162,500
Buyer: Ec Atlantic RT
Seller: Comm Ave Partners LLC
Agent: Beth Dickerson, Gibson Sotheby’s Boston Back Bay
Size: 2,812 square feet
Sold: 6/2/2025

2) 776 Boylston St. #E10A, Boston

Price: $9,500,000
Buyer: E10A RE NT
Seller: 776 Boylston Unit E10A LLC
Agent: Tracy Campion, Campion & Co.
Size: 4,091 square feet
Sold: 6/2/2025

3) 240 Devonshire St., #PH1D, Boston

Price: $7,800,000
Buyer: CN Winthrop Center LLC
Seller: MCAF Winthrop LLC
Agent: MP Boston Marketing Team
Size: 2,837 square feet
Sold: 6/6/2025

4) 114 Cranberry Lane, Chatham

Price: $6,895,000
Buyer: 114 Cranberry Lane RET
Seller: Barbara K. Caron
Agent: Brian Doughtery and John dePreaux, Corcoran Property Advisors
Size: 7,111 on 1.42 acres
Sold: 6/3/2025

5) 8 Winn St., Nantucket

Price: $4,985,000
Buyer: Dominic Debonis and Emily Debonis
Seller: 51 Radcliff Road LLC
Agent: Patricia Bradley, Rutledge Properties
Size: 7,886 square feet on .46 acres
Sold: 5/30/2025