Houzz is the new way to design your home.
make ducting into pillar shape or something architectural and match it on the other side (by door)
island counter between posts (one of which would be the chimney duct), but extend countertop out so that it can be used as an eating area
Mediterranean Kitchen Tile - $33
backsplash or tile on the chimney duct? Love the colors! Paint cabinets the pale blue or pale aqua color??
pillars (supports) on both sides of island with countertop extended for eating
structural posts used as design elements