Calvert Island is an island on the coast of the Canadian province of British Columbia. It is located east of Queen Charlotte Sound in the Central Coast region, about 100 kilometres (62 mi) north of the town of Port Hardy, which is at the north end of Vancouver Island. Calvert Island is 32 kilometres (20 mi) long and ranges in width from 3 kilometres (1.9 mi) to 16 kilometres (9.9 mi). It is 334.27 square kilometres (129.06 sq mi) in area. The island reaches 1,045 metres (3,428 ft) in elevation. Hecate Island is 47.78 square kilometres (18.45 sq mi) in area.