I made it to the Mukilteo Coffee Roasters Cafe today. Things have changed but they are still easily reached from the airport. Aircraft parking is about 200 yards south of what it used to be. There is a large break in the small tree line on the west side of the field with a wide grass slope up to the left (south) and a small white parking sign. The trail starts there and goes up to the south side of the cafe/patio (used to come in the north side). Just follow the trail around the east (airport) side of the building. Its a bit rough now, but one of the folks there said they were going to improve it and probably spread chips on it. They want to encourage the fly-in customers.
The fence with the "No Trespassing" signs (old trail) belongs to the neighbors. Looks like a trucking company. Cafe folks said it was under new ownership and less cooperative.
Food is good (gourmet type) but a little pricey. Just what you might expect from a local artist's hang-out. All in all a neat place if you like that kind of place.
www.mukilteocoffee.com