In summer it’s pure Hamptons. Glide in by boat, tie up along Westward’s north Lake Union dock, then snag an Adirondack chair lined up resort-like along the shore. Next: Choose among beautifully shucked local oysters and sip shandies and pink champagne. These balmy afternoons ripen into long twilit evenings of roasted rainbow trout, herby grilled octopus salad, blistered rapini, and braised lamb shoulder with tzatziki—people speak of them afterward in terms typically reserved for lost Paris weekends and first loves