Myuna Bay is a suburb of the City of Lake Macquarie in New South Wales, Australia, and is located west of Lake Macquarie near Wangi Wangi.
Myuna Bay is largely undeveloped. It has a rest area on Wangi Road, dating back to when Wangi Road was the main road along the western shoreline of Lake Macquarie before the completion of the Sydney-Newcastle Freeway.
Myuna Bay is home to the New South Wales Government Myuna Bay Sport and Recreation Centre.
Coordinates: 33°03′43″S 151°32′46″E / 33.062°S 151.546°E / -33.062; 151.546