Nantucket Entry by T. Keller Donovan, wainscoting on staircase, blue wall with family and sea art. I'd put a large port hole window at the foot of the stairs. Maybe a grey instead of blue and like this for the living room and hall.
Those floor planks! Beach House, Designed by Sarah Richardson Design: Natalie Hodgins & Kate Stuart - Fresh blue and white dining area with wing chairs. Love the antique hardwood floor and crisp white walls
6FT Antique Style Sliding Barn Wood Door Hardware Rustic Roller Track Kit Black