Gråskär is a 2.6-hectare / 6.4-acre private island in the Finnish archipelago, offered with a prepared master plan and the chance to create a design-led cabin retreat inspired by the world of Project Ö.

A late 18th-century residence on Main Street in Sag Harbor—known as the Hannibal French House and once owned by Charles Edison—has returned to the market as a high-end seasonal rental following its recent sale to Miami-based luxury developer Todd Michael Glaser.