A recent addition to the Seattle waterfront a ride on this wheel provides excellent views of the sound. Walking along the waterfront (very close to the wedding venue) also provides a great shopping experience and for eating Anthony and Ivar's are both Seattle classics.
For a more laid back neighborhood consider visiting Fremont with its cute stores, fun restaurants and great Sunday market. The area is very easy to walk around and favorite snacks include the Royal Grinders sandwich shop and the DIY Tea Bar.
Directly next to the bride's office are the Seattle Spheres! These bio-spheres are a sight to behold and worth a walk by (or tour) while in the city. The area around them has lots of dining options as well and Assaggio and FOB Poke Bar are favorites.