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Curbside Accessibility and Safety
Status: CompletedThis project created accessibility and safety enhancements to the main terminal of Seattle-Tacoma International Airport. These improvements help SEA advance to becoming one of the most accessible airports in the n...
A Concourse Building Expansion for Lounges
Status: CompletedThe A Concourse has been growing and in need of new and expanded lounge spaces for our passengers.As airport passenger volumes continue to increase, airports and airlines are increasing the amount of lounge spaces...
Combatting Human Trafficking
Get more information and resources on how to report human trafficking.As an international hub, operating both aviation and maritime gateways, the Port of Seattle is uniquely positioned to be a leader in disrupting human traffickin...
S Concourse Evolution
Renderings provided by Design Team of AECOM and HOKStatus: In Design, ApprovedThe S Concourse (formerly named the South Satellite) was constructed in the early 1970s with minimal updates since the 1980s. SEA is modernizing the spa...
Restroom Renovation
Status: CompletedNew and improved restrooms at SEA! The B, C, and D concourses received a restroom refresh that made for lighter and brighter designs and incorporated art features. Project OverviewThe Seattle-Tacoma Internati...
Duwamish River People's Park
Status: Completed 2022 and open to the publicThis project restored 14 acres of habitat and shoreline access located on the west bank of the Lower Duwamish Waterway in South Park. The property was formerly home to Duwamish Manufact...
Roadway Improvements
Status: In progress Project OverviewThis project is a roadway improvement project aimed to help alleviate the crowding and congestion outside of the airport, update systems, and make updates to support the ever-changing envir...
Checkpoint 1 Relocation
Status: CompletedThis project relocated Checkpoint 1 from its former location on the Ticketing level to the lower Baggage Claim level. This created new spacious queuing, travel document verifications, and added additional security...
C Concourse Expansion
Status: Opened June 2026Building is officially OPEN! Read more in the Press Release. The C Concourse Expansion aims to elevate SEA, literally, by adding four additional floors above the existing building and raise the bar on ...
Maritime Blue Accelerator 2021
A new wave of maritime innovationWashington Maritime Blue and the Port of Seattle recently chose 11 startups for the second wave of the Maritime Blue Innovation Accelerator. This business development initiative brings new ideas to...
