Okay, if you have access to a car, go to the KD house at UW!
http://students.washington.edu/kappad/
Also, make sure you check out the shopping centre that is close to the Greek Row (it's just down the hill from there, called "University Village")
Go to Pike Place Market (right downtown).
Go up the Space Needle (you can take the monorail from Westlake Centre..so convenient).
Belltown is a groovy neighborhood (may I recommend Tia Lou's restaurant).
Tia Lou's
2218 1st Ave
Seattle, WA 98121
They have some nice shopping malls downtown (one is right across from Old Navy, called
Pacific Place
600 Pine Street
206-264-1195
I ate here...it was good:
Palomino
1420 5th Ave
Seattle, WA 98101
The Experience Music Project is supposed to be highly regarded but I have never been there:
http://www.emplive.com/
If I think of more stuff, I will post again!