The formal dining room, accessible from the kitchen through a set of walnut doors, features an original stone fireplace that dates to the 13th century.

The inspiration for this prefabricated, modular family home on Fishers Island, New York, were the views that Tanney and Luntz saw from a 12-foot stepladder, which was balancing on the bed of a pickup truck when they first visited the site.

House O, designed by Jun Igarashi, forgoes hallways and interior doors in favor of casually interconnected rooms.

The three-by-12-inch porcelain pieces are inspired by the industrial wood floors of the 1970s, but are of the moment thanks to their subtle grain pattern and versatile applications.

The tiles are ink-jet and cold-glazed porcelain, and are meant to weather slightly over time, like wood.

The tiles range from $10 to $22 per square foot.

Inside, Pine walls and ceilings received a dark stain, as did Oak floors.

Sleeping nooks that look like the grooves in a block of cheese.

A passage between the walls for hide and seek.

41zero42's new line U-color comes in 64 kaleidoscopic hues ranging from bold greens and saturated reds to cool blues and everything in between, neutrals included.

The addition’s two stories of cedar-framed sliding doors and window provide generous views of the house’s prized jacaranda tree. The addition’s polished concrete floor and white cladding extend into the garden, drawing occupants to the serene rear porch. There, they can relax on stools designed by Alvar Aalto and Charles Wilson while admiring the luscious greenery.

A 41-foot-long heated saltwater pool includes a submerged tanning ledge. The hot tub was created using concrete and stucco. The outdoor area includes lounge chairs from Jøna’s curatory, Cast + Crew.