Heat oven to 350 degrees F. Line a 13 x 9 x 2-inch baking pan with nonstick foil.
Stir together crushed wafers and butter. Press evenly into prepared pan. Bake at 350 degrees F for 5 minutes. Cool slightly on wire rack.
In a large bowl, combine coconut, chocolate bits, white chocolate and pecans. Evenly distribute over cookie crust. Scatter the halved Kisses over top. Bake at 350 degrees F for 18 minutes. Cool completely.
Refrigerate overnight. Cut into 16 bars with a large knife using a gentle rocking motion.