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 and the Sir Richard Peninsula, situated on the western side of the Murray Mouth, form a coastal dune system that stretches along the continental coastline from near Goolwa in the northwest to approximately north of Kingston SE in the southeast.