Yeah, Seattle is a great biking city. Had a similar experience while touring Oregon. Used the car to reach different points of interest, then parked it and used our bikes to tour the area. When we reached a city like Portland or Eugene, we would find a bike shop and ask for a local bike map. Each time, the employees offered up all sorts of insider tips on where to go and what to do, above and beyond just biking. In the Portland shop, even the mechanic wandered over and started giving us suggestions. The trip was awesome, and these tips had a lot to do with it.