Parking is at the Lake Sammamish State Park Sunset Beach Parking lot or Tibbetts Beach Parking lot. You are required to purchase a $10 one day parking pass or $30 Discovery pass to enter the park. If you are interested in purchasing a Discovery Pass, please follow this website: http://parks.state.wa.us/167/Discover-Pass-Fees
From the West via I-90E, take exit 13 for Lakemont Blvd SE toward W Lake Sammamish/SE Newport Way. Keep Left at the fork and follow signs for West Lake Sammamish Pkwy SE and merge onto 180th Ave SE/Lakemont Blvd SE. At the traffic circle, take the 1st exit onto W Lake Sammamish Pkwy SE and continue onto NW Sammamish Rd. The park entrance will be on the left. Follow signs for Sunset Beach Parking or Tibbetts Beach Parking. Both are first come, first serve.
From the East via I-90W, take exit 15 for WA-900 W/Renton. Turn Right onto 17th Ave NW. Turn Left onto NW Sammamish Rd. The park entrance will be on your right. Follow signs for Sunset Beach Parking or Tibbetts Beach Parking. Both are first come, first serve