Take exit #156 (Tukwila, Interurban Avenue)

Turn right onto Interurban Avenue S, proceed north

At the traffic light at 42nd Ave S, turn right

Cross the Duwamish River. (You'll see the bridge as you approach 42nd Ave S.)

The Tukwila Community Center is immediately on your right

Take exit #156 (Tukwila, West Marginal Way, Highway 599) - There are two lanes that exit.  You should be in the right hand lane for the Tukwila exit immediately after the curved exit ramp.

Take the Tukwila exit, turn left onto Interurban Avenue S from the left lane, avoiding turning into the two left lanes that are required to turn left again.

Move to the right hand lane.

At the traffic light at 42nd Ave S, turn right.

Cross the Duwamish River. (You'll see the bridge as you approach 42nd Ave S.)

The Tukwila Community Center is immediately on your right.

Same as above, except proceed south on Interurban Ave S (West Valley Highway)
from I-5 exit 156 until reaching the Marriott shortly after crossing I-405.

If coming from the south, it will be shorter to take I-405 north to the West Valley Highway (route 181) exit, and then proceed a short distance south to the Marriott.