Love the idea of backing up a banquette/kitchen table to one side of the kitchen island. This is the Siller/Hokanson house featured in Houston Luxe magazine. Thanks to Joni Webb of Cote de Texas for posting the picture!
For a tiny dining nook choose a table with a pedestal base so people can easily slide in and out of their seats. Another tip: "For maximum space efficiency, the table should overlap the seat by just one inch