The Westin Seattle welcomes The WSBCTC 2023 Convention starting Monday, June 26, 2023 and ending Thursday, June 29, 2023. Pre and post event rates are subject to availability. All cancellations must be received 72 hours prior to your scheduled check-in date or you may be subject to a fee equal to one night's room and tax.*Please note that the $25.00 nightly Destination Amenity Fee will not apply to this reservation.