This Southampton, New York, living room was outfitted by designers Jesse Carrier and Mara Miller of Carrier and Company Interiors.

In the living room, 19th-century mahogany bookcases are set in niches.

In the guest bedroom, a 19th-century striped quilt covers the bed in the foreground.

Paintings of Long Island are grouped in the bath.

This dining room features a custom-stenciled wall treatment.

This kitchen features a bespoke pot-rack light fixture.

An outdoor seating area in Southampton.

Modern art pops against the neutral tones and sumptuous textiles in the living room of this private home.