Coffin Island
| Language of origin | English language |
| Feature Type: | Island - Land area surrounded by water or marsh. |
| Status: | Official |
| Name Authority: | BC Geographical Names Office |
| Relative Location: | N side of entrance to Ladysmith Harbour, SE side Vancouver Island between Duncan and Nanaimo, Cowichan Land District |
| Latitude-Longitude: | 48°59'08"N, 123°45'13"W at the approximate centre of this feature. |
| Datum: | WGS84 |
| NTS Map: | 92B/13 |
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Origin Notes and History:
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Adopted 14 January 1946 on C.350, as labelled on British Admiralty Chart 579, 1860 et seq. Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office |