This place is a 10 min walk to the Westfield station of the Link train, which you can take to /from the airport. Also, public transport is free for ages 18 and younger in Seattle.
Location is good and the place is clean. You do have to go out into the courtyard to access the pool / hot tub, and take your recycling and compost down to the garage basement before checking out. the total price per night comes to close to $300, including taxes and fees.