Transportation from SEA airport to downtown Seattle: Sound Transit Link Light Rail (38 to 40 minute ride, $3 one-way, https://www.soundtransit.org/ride-with-us/stations/link-light-rail-stat…); ride share such as Uber or Lyft (25 to 40 minutes, $45-100); taxi (20 to 35 mins, $45-55)
Block of rooms for Monday, Aug. 17, to Friday, Aug. 21, at the Hyatt at Olive 8 (1635 8th Ave, Seattle, WA 98101) for $248 per night.
Book the group rate here: https://www.hyatt.com/events/en-US/group-booking/SEAHS/G-DIN1