We have ideas! We recommend that you stay in Seattle and close to the urban action (and a short taxi ride away from the reception). If you prefer something a little more peaceful, then Redmond or Kirkland are good choices.
Seattle
University Inn – from $125 per night
http://www.universityinnseattle.com/
Watertown Hotel
http://www.watertownseattle.com/ - from $150 per night
The Gaslight Inn (B&B)
www.gaslight-inn.com
Hampton Inn and Suites – from $109 per night
http://www.hamptoninnseattle.com/
Residence Inn Seattle Downtown/Lake Union – from $119 per night
http://www.marriott.com/hotels/travel/sealu-residence-inn-seattle-downtown-lake-union/
Best Western Loyal Inn – from $74.95 per night
http://book.bestwestern.com/bestwestern/priceAvail.do?propertyCode=48062
Redmond
Redmond Marriot Town Center – from $112.80 per night
http://www.marriott.com/hotels/travel/seamc-redmond-marriott-town-center/
Redmond Inn – from $79 per night
http://www.redmondinn.com/
Kirkland
The Heathman Hotel – from $149 per night
http://www.heathmankirkland.com/