If I'm gonna be waiting, the ferry from Tsawwassen to Victoria is not a bad place to be doing it. Besides, if you were settling Vargas, chances are you'd be staying long enough to make the drive seem effortless. And considering you would have an intimate knowledge of when to avoid the border crossing while also bustin' out that handy NEXUS fast pass, you'd HOV those assholes everytime. Coming from Seattle though, I'd rather take the train up to Vancouver, then charter a sea plane over to Vargas. Flying at a consistent 1000 feet over the Straight, in the co-pilot seat, staring into the sun. The pilot would drop you off on your own private beach tout de suite. Oh wait, just remembered that I don't have any money. Plan B: Drive to Port Angeles and take the Coho up to Victoria. Last time I took that ferry I saw a breaching humpback. And dudes working border patrol that way are about as laid back as they come.
Incidentally, I was on the coast in Washington State a few weeks back and took this photo: