At Comfort Inn & Suites Sea-Tac Airport, guests have access to a gym, free WiFi in public areas, and a business center. There's free parking, as well as a free airport shuttle (available 24 hours). The 24-hour front desk has staff standing by to help with securing valuables, dry cleaning/laundry, and luggage storage. Additional amenities include coffee/tea in a common area, laundry facilities, and an ATM.