Final answer:
Vancouver Island is the largest island on the west coast of North America, separated from mainland BC and Washington by straits. It has notable features such as Golden Hinde peak and Strathcona Provincial Park.
Step-by-step explanation:
The largest island on the west coast of North America is Vancouver Island.
It is separated from mainland British Columbia by Queen Charlotte Strait and the Strait of Georgia, and from Washington by the Strait of Juan de Fuca.
Victoria, the capital city of British Columbia, is located on the tip of Vancouver Island.
Vancouver Island has several notable features, including the highest peak called Golden Hinde and the Strathcona Provincial Park. Nanaimo is also a prominent city on the island.