Current Initiatives

North Satellite

Expanding and renovating a 45-year-old facility with more amenities, more elbow room, and sustainable design.

Setting foot into SEA’s North Satellite facility will mean stepping into natural light, views of the airfield and mountains, and enjoying more offerings of a world-class airport.

The expansion and modernization of the North Satellite has added eight new gates (from 12 to 20) for additional flights each day. It also includes a new Alaska Airlines lounge with Olympic Mountain views, access improvements at Concourse C Satellite Transit Station, and an airy and open space with natural light and airfield views.

To keep travelers on their way, construction will happen in two phases. During phase one,  teams expanded the building from 160,000 square feet to 428,000 square feet, and then added a second story.

The expansion allows phase two renovation to continue while giving passengers early access to more elbow room and brand-new seating with built-in charging stations at additional gates and waiting areas.

What’s more, the new North Satellite will nearly triple the dining and retail space creating more choices for customers and more opportunities for local retailers and entrepreneurs.

Beautiful design and more amenities for travelers

The expansion and renovation of the North Satellite provides passengers with more choices and amenities. Inspired by Washington’s natural connection to the water, the wavelike articulated roof becomes a signature visual element bringing in natural light. The interior will feature wide, day-lit concourses constructed of materials, colors, and finishes inspired by the native Pacific Northwest environment. Inside, new dynamic and interactive signage, SEA's first fully-integrated pet relief area, more robust Wi-Fi service, seismic upgrades, improved seating, and a stage for live music will make for a more seamless and modern travel experience.

Sustainable from the start

The newly renovated North Satellite features energy-efficient and resource-friendly design elements. The building celebrates the ecology and environment of the Pacific Northwest, with a renovated interior that draws in more natural light, a new rainwater harvest system that supplies flushing water to the restrooms, and nature-inspired art to complement the open design of the building.



February 2017
July 2019
Phase I opening
Q3 2021
Project Completion


The estimated budget for the North Satellite Modernization Project is $658.3 million, including related accessibility and baggage improvements. Alaska Airlines is contributing an estimated $41 million for its new lounge and employee spaces. As with virtually all airport projects, no taxpayer dollars will be used to fund the project.

Project Fact 1
The new North Satellite facility reaches 240 feet further to the west.
Project Fact 2
The modern and updated building will nearly triple the existing dining and retail square footage.
Project Fact 3
Construction on the North Satellite Modernization project will create approximately 5,100 jobs at SEA.
Project Fact 4
The Port is seeking LEED (Leadership in Energy & Environmental Design) certification for the North Satellite.
North Satellite at SEA - interior and exterior
North Satellite phase 1 opening
North Satellite topping off
Art by Cable Griffith coming to Concourse C