Cromwell Island in Flathead Lake is up for sale at $72 million. In the main house, the twin symmetrical and suspended staircases inside the main entrance are inspired by the hanging staircase in the Nathaniel Russell House in Charleston, South Carolina. (Photo courtesy of Bill McDavid, Hall and Hall Partners)
May 3, 2022
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May 2, 2022 8 p.m.
Private island on Flathead Lake listed for $72 million
The property is the largest private island with a single owner west of the Mississippi River.