120 Spokane St
Turn east into the first parking lot south of Spokane St, underneath the West Seattle Bridge. Follow this parking lot as it curves north back towards the overpass, then turn left and park anywhere close to Artillery.
Turn west onto S Horton St, which has a Burger King and gas station on the corner of 4th. Follow this until 2nd Ave, then turn left immediately before the railroad tracks. Follow the railroad tracks along 2nd Ave until you hit Spokane St, then turn right and cross the railroad tracks. (You may have to wait for trains to pass). Park anywhere close to Artillery.