The curving staircase was inspired by a David Adler adaptation of a design by John Russell Pope.

In the master sitting room, a Picasso linocut hangs over the 19th-century mantel. Louis XVI voyeuse.

In the pine-paneled library, a Penny Morrison linen covers the Jonas armchair, ottoman, and sofa. English mahogany caned chair with cushion of a striped cotton by Jed Johnson Home .

Tighe and her grandson in the garden.

The living room includes artworks by Heimo Zobernig (left) and Picasso. (Chuck Close’s Portrait of Philip Glass can be seen in the foyer.) John Rosselli chandelier; 18th-century mirror; Jonas sofas in a Le Manach cotton.

A 19th-century wallpaper covers the dining room. Murano chandelier; circa-1920 chairs in a Cowtan & Tout fabric.

A custom wall covering by Zina Studios wraps the guesthouse powder room. Antique mirror; vintage pendant.

Stripes meet florals in the master bedroom.

The parterre garden and arbor at a Hamptons retreat.

The house’s stucco exterior and tile roof allude to an earlier home on the property.