The curtains are China Seas Bali Hai by Quadrille. This is a very similar pattern to one of my all time favorites, Toile de Nantes by Pierre Frey (which is no longer available in fabric).
Artwork by Kayce Hughes. Kayce is the niece of Lilly Pulitzer, and I am a huge fan of hers as well. You can more of her art here.
The sofa is by Charles Stewart and it is upholstered in a Kravet velvet.
"I'm always looking through decades-old magazines, trying to figure out what stands the test of time - and what doesn't make you go 'ugh!' today," said Sarah.