Rock Bay appears on both this 1851 map, as well as this 1853 map by Pemberton. The name is still in use for the bay itself, as well as the surrounding community.
The Colonial Despatches Team.
Rock Bay.The Colonial Despatches of Vancouver Island and British Columbia 1846-1871, Edition 2.0, ed. The Colonial Despatches Team. Victoria, B.C.: University of Victoria.
https://bcgenesis.uvic.ca/rock_bay.html.
Last modified: 2020-03-30 13:22:16 -0700 (Mon, 30 Mar 2020) (SVN revision: 4193)