The Seattle Marriott Bellevue, opening in early October 2014 features 384 guestrooms, 21,000 sq. ft. of meeting space, and a 6,200 sq. ft. ballroom. A total of 17 event spaces, perfect for both large meetings and small training sessions with our venues’ AV systems and high-speed Wi-Fi to stream an informative video during your meeting. Our experienced catering staff will help create a custom menu for your meeting in Bellevue and take care of every event detail to ensure your event is unforgettable.