TrueNorthBrewSupply.com is in Chilliwack, BC, and they ship nationwide. Huge selection of ingredients. Most people in the lowermainland receive their order next day. To the Islands might be an extra day.
True North Brew Supply in Chilliwack, less than an hour from Vancouver has been around about 3 years - massive selection of hops and malts and yeasts, probably the biggest in BC. Prices decent, they ship via online store at truenorthbrewsupply.com and have even bigger selection in-store.