I’m at the table with some waterside dining and Pfaltzgraff Cayman Dinnerware. Pfaltzgraff’s Cayman brings sun-muted shades of turquoise and browns, sea and sand, to the table. An island of crushed shells adds a little Caribbean touch for a centerpiece . . . Along with jute knotted bottles, washed ashore from World Market, and a candelabra insert for island ambiance…