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Inside SEA’s Revamped Concourse C

Upgrade era: More room to relax, local food, and Pacific Northwest-inspired design give travelers something to enjoy before takeoff.

By Seattle Mag October 22, 2026

Travelers walk through a modern airport terminal with a wooden ceiling, large windows, shops, and seating areas—sure to leave visitors absolutely blown away by its stunning design.
Photo by EMA PETER PHOTOGRAPHY

This article originally appeared in the September/October 2026 issue of Seattle magazine.

Over the summer, Seattle-Tacoma International Airport revealed the latest iteration in its expansion plan: the new renovation of Concourse C. Designed by the Miller Hull Partnership and Woods Bagot, in collaboration with the Port of Seattle, the space measures 229,500 square feet (more than double its former size) and features a two-story, daylight-filled marketplace; open, tiered seating area; work from local artists; and the Tree at C, a sculptural wood element that references regional forests. Other highlights include the airport’s first photovoltaic panel installation and its first public outdoor space on the airside.

Interior view of a modern airport terminal featuring a large, branched wooden structure over tiered seating and an escalator leading to an upper level with dining areas.
SEA-TAC’s renovated Concourse C
Courtesy of The Port of Seattle
An indoor food court with multiple restaurant storefronts, featuring numerous circular tables surrounded by wooden chairs.
Dining area
Courtesy of The Port of Seattle
A bright, open airport terminal featuring a lounge area with curved seating and a cafe titled “Wanderlust” with counter stools.
Wanderlust bar and seating
Courtesy of The Port of Seattle
The storefront of Bite Society, featuring closed metal security shutters beneath a wooden header and a large hexagonal wall graphic.
Video wall digital art above Bite Society
Courtesy of The Port of Seattle
A tall, vertical sculpture made of circular green glass panels encased in a dark metal frame, positioned in a spacious, modern building atrium.
Lookout deck sculpture
Courtesy of The Port of Seattle
A curved waiting area featuring wood-slatted walls and a dark curved bench, with an arched doorway leading to an elevator lobby.
Meditation room
Courtesy of The Port of Seattle

A curved wooden bench with a dark upholstered backrest against a slatted wood wall in a Sea-Tac dining area.

A doorway with a Pet Relief Area sign leads into a room with a blue-and-gray mosaic wall, a patch of artificial grass, and a tree stump.
Pet relief area
Courtesy of The Port of Seattle
A restroom with a light wood-slatted wall, sage green tile, a floating sink, a mirror, and a wall-mounted paper towel dispenser.
Nursing room
Courtesy of The Port of Seattle
A modern hallway with a recessed green velvet seating nook, a smaller empty alcove, and a large abstract painting of deer on the wall.
Sensory room
Courtesy of The Port of Seattle

Concourse C is also Sea-Tac’s first all-electric project and its first to target LEED Platinum certification. If you’re looking to grab a meal or snack before your flight, local options include Great State Burger, Dish D’Lish by chef Kathy Casey, Olympia Coffee, and Skillet.

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