Idylwood Beach Park is a beautiful 18-acre park located on the shores of Lake Sammamish. It is a quiet, serene place to sit and enjoy waterfront views, or to pursue more active sports, such as swimming or boating. This park offers a swimming beach, a bath house with restrooms, a small launch ramp for canoes, plenty of open space, picnic shelters and tables and a children's playground. There is also a free parking lot with ample parking spaces.