After four years of renovations, the Glenmere estate in New York’s Hudson Valley opened as a resort in January. The heart of the 150-acre property, located 50 miles north of Manhattan, is a 1911 Tuscan-style mansion that once belonged to American financier Robert Goelet.

Glenmere’s developers kept the home’s original floor plan, and each of the resulting 19 guest rooms has a distinct layout. All rooms share a classic-meets-modern decor scheme, combining restored moldings and ornate chandeliers with such fashionable touches as Loro Piana curtains and Casa del Bianco linens. Contemporary art from the owners’ private collections (including a rare Robert Rauschenberg lithograph in the penthouse suite) pushes Glenmere further into the modern era.

Outside the mansion, a courtyard leads to gardens—also restored based on the estate’s historic plans—a pool, two tennis courts, two croquet courts, and a lawn ideal for boccie ball. Next to the pool area, which evokes South Beach with its private cabanas and full-service staff, is an under-construction spa that will have four treatment suites and a bathhouse when it opens early next year. Glenmere, 845.469.1900, www.glenmeremansion.com

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