The City of Seattle's Interactive Parking Map
Scroll and zoom to see parking restrictions on any street in Seattle. City of Seattle Parking Map
The color used for Restricted Parking Zones can be difficult to distinguish from unrestricted parking until you are zoomed in close.
The ParkMe website shows commercial parking lots and garages. There is an app you can install on your phone.
Seattle Colman Ferry Dock and South of Downtown (SODO)
Unrestricted parking is available on some streets in SODO. map
Parking in U-Village lots is not allowed if you are not shopping. Unrestricted parking can be found in the neighborhood to the north. Parking may be allowed in Restricted Parking Zones depending on the date. UW has pay lots. U-Village vicinity map. Seattle's interactive parking map can be useful here.
There are five city-owned parking garages near the ferry terminal offering hourly through multi-day parking. Information