SeaTac's economy is inextricably linked to its namesake, the Seattle-Tacoma International Airport (SEA). The city is a major regional hub for aviation, hospitality, and logistics.
* **Hospitality & Tourism**: The city is home to dozens of major hotel chains, independent motels, and conference centers catering to travelers, making it a critical driver of local employment. * **Aviation & Logistics**: Freight forwarders, cargo handlers, airline catering services, and rental car operations dominate the industrial sectors surrounding the airport. * **Retail**: The business district heavily features travel-oriented retail, alongside a diverse array of small immigrant-owned businesses, markets, and shops situated primarily along International Boulevard (Pacific Highway South).