The Younghusband Peninsula, together with the Sir Richard Peninsula on the western side of the Murray Mouth, are the coastal dune system that forms the continental coastline from  near Goolwa in the north west to about  north of Kingston SE in the south east.
The Younghusband Peninsula, along with the Sir Richard Peninsula on the western side of the Murray Mouth, forms the coastal dune system that constitutes the continental coastline from near Goolwa in the northwest to roughly north of Kingston SE in the southeast.