{"id":22684,"date":"2026-06-12T22:17:11","date_gmt":"2026-06-12T16:47:11","guid":{"rendered":"https:\/\/www.indianeagle.com\/traveldiary\/?p=22684"},"modified":"2026-06-12T18:20:10","modified_gmt":"2026-06-12T12:50:10","slug":"seattle-tacoma-airport-c-concourse-expansion","status":"publish","type":"post","link":"https:\/\/www.indianeagle.com\/traveldiary\/seattle-tacoma-airport-c-concourse-expansion\/","title":{"rendered":"Inside SEA Airport&#8217;s New $399M, 145,000-Sq-Ft C Concourse Expansion"},"content":{"rendered":"<figure id=\"attachment_22687\" aria-describedby=\"caption-attachment-22687\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-22687\" src=\"https:\/\/tds.indianeagle.com\/wp-content\/uploads\/2026\/06\/SEA-Airport-C-Concourse.png\" alt=\"Exterior view of Seattle-Tacoma International Airport\u2019s new C Concourse Expansion, featuring a spacious four-story atrium with abundant natural light, modern seating areas, retail shops, dining venues, public art installations, and large windows overlooking the airfield. The contemporary design reflects Pacific Northwest forest landscapes, creating an open and welcoming environment for travelers.\" width=\"800\" height=\"533\" srcset=\"https:\/\/tds.indianeagle.com\/wp-content\/uploads\/2026\/06\/SEA-Airport-C-Concourse.png 800w, https:\/\/tds.indianeagle.com\/wp-content\/uploads\/2026\/06\/SEA-Airport-C-Concourse-300x200.png 300w, https:\/\/tds.indianeagle.com\/wp-content\/uploads\/2026\/06\/SEA-Airport-C-Concourse-768x512.png 768w, https:\/\/tds.indianeagle.com\/wp-content\/uploads\/2026\/06\/SEA-Airport-C-Concourse-630x420.png 630w, https:\/\/tds.indianeagle.com\/wp-content\/uploads\/2026\/06\/SEA-Airport-C-Concourse-640x426.png 640w, https:\/\/tds.indianeagle.com\/wp-content\/uploads\/2026\/06\/SEA-Airport-C-Concourse-681x454.png 681w, https:\/\/tds.indianeagle.com\/wp-content\/uploads\/2026\/06\/SEA-Airport-C-Concourse-24x16.png 24w, https:\/\/tds.indianeagle.com\/wp-content\/uploads\/2026\/06\/SEA-Airport-C-Concourse-36x24.png 36w, https:\/\/tds.indianeagle.com\/wp-content\/uploads\/2026\/06\/SEA-Airport-C-Concourse-48x32.png 48w, https:\/\/tds.indianeagle.com\/wp-content\/uploads\/2026\/06\/SEA-Airport-C-Concourse-272x182.png 272w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-22687\" class=\"wp-caption-text\">Source: ChatGPT<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Seattle-Tacoma International Airport (SEA) has officially opened its new C Concourse Expansion, a four-story addition designed to improve the passenger experience with more dining options, retail shops, lounge areas, public art, and sustainable features.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The SEA Airport C Concourse, unveiled on June 10, adds more than 145,000 square feet of space between the C and D Concourses. Built within the airport\u2019s existing footprint, the project is part of the airport\u2019s ongoing Upgrade SEA modernization program.<\/span><\/p>\n<h3><b>Four Floors of New Passenger Amenities\u00a0<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">The SEA Airport C Concourse expansion transforms what was once nonpublic office and storage space into a traveler-focused destination. New features include:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ten new dining and retail locations<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Six SEA Sparks Incubator Program retail kiosks<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The Tree at C gathering space<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Grand Stairs seating area<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Interfaith Prayer and Meditation Room<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sensory Room<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Nursing Room<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Live performance area<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The Lookout at C airfield observation deck<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">A dramatic open atrium connects all four levels, while a 30-foot-high ceiling and stepped-back floor design create a spacious atmosphere with clear sightlines throughout the building.\u00a0<\/span><\/p>\n<h3><b>Pacific Northwest Design Takes Center Stage\u00a0<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">The architectural design reflects the forests and landscapes of the Pacific Northwest. Geometric patterns inspired by Western Hemlock wood flow through the structure and connect with the Tree at C centerpiece. Large folded facade windows allow natural daylight to fill the interior while creating views across the airport.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The building was designed by Miller Hull and Woods Bagot, who described the Marketplace at C as a space inspired by the region&#8217;s famous markets and evergreen forests. Multiple viewing areas throughout the expansion allow passengers to watch aircraft movements, enjoy airfield views, and experience the region&#8217;s distinctive skies.\u00a0<\/span><\/p>\n<h3><b>Sustainability Features\u00a0<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">The SEA Airport C Concourse Expansion is targeting LEED Platinum certification, which would make it one of the most environmentally advanced facilities at <a href=\"https:\/\/www.indianeagle.com\/usa\/flights\/airports\/seattle-tacoma-international-airport-sea\/?utm_source=traveldairy&amp;utm_medium=blog&amp;utm_campaign=sea-airport\" target=\"_blank\" rel=\"noopener\">SEA Airport<\/a>. The project is the first airport development to fully implement the Port of Seattle&#8217;s Sustainable Evaluation Framework. Key sustainability features include:\u00a0\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Electrochromic smart windows that automatically adjust to sunlight throughout the day<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">SEA&#8217;s first rooftop solar panel installation<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Solar panels expected to generate 12% to 14% of the facility&#8217;s electricity<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Fully electric building systems<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Fossil fuel-free heating<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Electric cooking equipment<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dishwashing facilities to reduce waste<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Food donation storage areas<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Low-flow water fixtures to conserve water<\/span><\/li>\n<\/ul>\n<h3><b>New Dining, Shopping, and Seating\u00a0<\/b><\/h3>\n<figure id=\"attachment_22689\" aria-describedby=\"caption-attachment-22689\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-22689\" src=\"https:\/\/tds.indianeagle.com\/wp-content\/uploads\/2026\/06\/New-Dining-Shopping-and-Seating-at-SEA.png\" alt=\"Interior view of Seattle-Tacoma International Airport\u2019s new C Concourse Expansion, featuring a spacious four-story atrium with abundant natural light, modern seating areas, retail shops, dining venues, public art installations, and large windows overlooking the airfield. The contemporary design reflects Pacific Northwest forest landscapes, creating an open and welcoming environment for travelers.\" width=\"800\" height=\"533\" srcset=\"https:\/\/tds.indianeagle.com\/wp-content\/uploads\/2026\/06\/New-Dining-Shopping-and-Seating-at-SEA.png 800w, https:\/\/tds.indianeagle.com\/wp-content\/uploads\/2026\/06\/New-Dining-Shopping-and-Seating-at-SEA-300x200.png 300w, https:\/\/tds.indianeagle.com\/wp-content\/uploads\/2026\/06\/New-Dining-Shopping-and-Seating-at-SEA-768x512.png 768w, https:\/\/tds.indianeagle.com\/wp-content\/uploads\/2026\/06\/New-Dining-Shopping-and-Seating-at-SEA-630x420.png 630w, https:\/\/tds.indianeagle.com\/wp-content\/uploads\/2026\/06\/New-Dining-Shopping-and-Seating-at-SEA-640x426.png 640w, https:\/\/tds.indianeagle.com\/wp-content\/uploads\/2026\/06\/New-Dining-Shopping-and-Seating-at-SEA-681x454.png 681w, https:\/\/tds.indianeagle.com\/wp-content\/uploads\/2026\/06\/New-Dining-Shopping-and-Seating-at-SEA-24x16.png 24w, https:\/\/tds.indianeagle.com\/wp-content\/uploads\/2026\/06\/New-Dining-Shopping-and-Seating-at-SEA-36x24.png 36w, https:\/\/tds.indianeagle.com\/wp-content\/uploads\/2026\/06\/New-Dining-Shopping-and-Seating-at-SEA-48x32.png 48w, https:\/\/tds.indianeagle.com\/wp-content\/uploads\/2026\/06\/New-Dining-Shopping-and-Seating-at-SEA-272x182.png 272w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-22689\" class=\"wp-caption-text\">Source: ChatGPT<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Travelers can now enjoy a mix of local favorites and national brands at the new expansion. The dining and retail lineup includes:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Bell St. Landing by Hudson<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Bite Society<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Buffalo Wild Wings Go<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Chili&#8217;s<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Great State Burger<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Nanny&#8217;s BBQ<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Olympia Coffee<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Port of Subs<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Seattle Macaron Co.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Wanderlust<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">The expansion also introduces six SEA Sparks Incubator Program kiosks that give small and emerging businesses an opportunity to operate inside the airport. The first group of kiosk businesses includes:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Clara Jane<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hi Ducky Shop<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Royal Phoenix Photography<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Seattle Glass Blowing Studio<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Transcend<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tyra the Stitcher<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Passengers will also find a variety of seating options throughout the facility, many equipped with power outlets and offering airfield views.<\/span><\/p>\n<h3><b>Public Art Enhances the Traveler Experience<\/b><span style=\"font-weight: 400;\">\u00a0<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">SEA&#8217;s Public Art Program is featured throughout the new space with installations ranging from glass sculptures to digital displays. Highlights include:\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u2192 Table art installations by Jaq Chartier, Beccy Feather, and June Sekiguchi embedded within Grand Stairs seating areas<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u2192 A colorful blown-glass bear installation by Crystal Worl near the Concourse-level restrooms<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u2192 A large digital video wall featuring rotating works by Rebecca Bird, Marco Brambilla, Dan Mirer, and Anna Mlasowsky<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u2192 A glass mosaic artwork by Baso Fibonacci and Alex Sandvoss inside the Sensory Room<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u2192 The &#8220;Shared Breath&#8221; glass sculpture by Fumi Amano near The Lookout at C<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The total estimated cost of the SEA Airport C Concourse expansion is $399 million.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b><i>Disclaimer:\u00a0<\/i><\/b><i>Indian Eagle claims no credit for the images featured on its blog site. All the visual content is copyrighted to its respective owners only. We mention the source name of the image whenever possible and found. However, if we miss acknowledging the owner\u2019s source, please contact us. In case, owners don\u2019t want us to use their images, we will remove them promptly. We believe in providing proper attribution to the original author, artist, and photographer.<\/i><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>Seattle-Tacoma International Airport (SEA) has officially opened its new C Concourse Expansion, a four-story addition designed to improve the passenger experience with more dining options, retail shops, lounge areas, public art, and sustainable features. The SEA Airport C Concourse, unveiled on June 10, adds more than 145,000 square feet of space between the C and [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":22687,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,14,553,4],"tags":[8265,3181,8263,8264,1391],"class_list":["post-22684","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-airports-united-states","category-news","category-travel","category-united-states","tag-new-c-concourse-expansion","tag-sea-airport","tag-sea-airport-c-concourse","tag-sea-airport-c-concourse-expansion","tag-seattle-tacoma-international-airport"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>SEA Airport Opens $399M, 145K-Sq-Ft C Concourse<\/title>\n<meta name=\"description\" content=\"Seattle-Tacoma Airport opens its $399 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