From I-5 North:

Take exit 163-A for the West Seattle Bridge.
Merge onto the West Seattle Bridge, staying in the right lane.
Take the SW Admiral Way exit.
Turn left at 63rd Ave SW.
Follow road around as it turns into Beach Drive. La Rustica will be on the left about half a mile up the road.

From I-5 South:

Take exit 163 for Columbian Way/West Seattle Bridge.
Keep left at the fork, follow sign for West Seattle Bridge.
Once merged onto the West Seattle Bridge, stay in right lane.
Take the SW Admiral Way exit.
Turn left at 63rd Ave SW.
Follow road around as it turns into Beach Drive. La Rustica will be on the left about half a mile up the road.