Clamshell Islet
Feature Type:Islet - Small island.
Status: Official
Name Authority: BC Geographical Names Office
Relative Location: In Long Harbour, Saltspring Island, Cowichan Land District
Latitude-Longitude: 48°51'06"N, 123°26'28"W at the approximate centre of this feature.
Datum: WGS84
NTS Map: 92B/14
Origin Notes and History:

Adopted 23 November 1990 on 92 B/14; a well-established local name labelled on signposts for since the mid-1970's or earlier.

Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office