Where are the shuttle pickup zones at SeaTac baggage claim, and what are the expected wait times for the Rental Car Facility buses?

Upon arriving at Seattle-Tacoma International Airport (SeaTac) and collecting your luggage at baggage claim, proceed to the designated shuttle pickup zones located on the ground transportation level. The airport operates dedicated rental car facility shuttles that are distinctly separated by terminal destinations to streamline passenger flow. For passengers needing to reach the North Terminal rental car counters, proceed to Island 1, situated closest to Door 2. For those heading to the South Terminal rental car counters, proceed to Island 16, located near Door 20. Both islands are clearly marked with illuminated signage and digital displays showing real-time bus arrival information. The expected wait times for these dedicated shuttles range from 5 to 18 minutes depending on the time of day. During off-peak hours (typically 10:00 PM to 5:00 AM), shuttles arrive approximately every 5 to 8 minutes. However, during peak travel hours—specifically between 6:00 AM and 9:00 AM, and again from 3:00 PM to 7:00 PM—passenger volume increases significantly, which extends the expected wait time up to 18 minutes. It is highly recommended to monitor the overhead digital screens at Islands 1 and 16 for precise next-bus arrival estimates and to allow ample time in your travel itinerary to accommodate these timing bands.