Croatian coastal cooking — particularly in the south — is built on extraordinarily good raw material: fish caught the same morning, Dalmatian olive oil (among the world's finest, significantly underappreciated), and a wine tradition rooted in indigenous grape varieties that have no equivalents elsewhere. The black risotto made with cuttlefish ink, the grilled or peka-cooked fish of the day, the pašticada (beef slow-cooked in wine with prunes) — these are dishes with genuine depth and centuries of kitchen refinement behind them.
In Dubrovnik itself: Proto Restaurant, just off the Stradun at Ulica Široka 1, is the correct answer for fine-dining fish — the John Dory grilled over charcoal and the Pelješac oysters are non-negotiable. Nautika, on the cliff beside the Pile Gate, has the old town's finest terrace. For something less formal, the konoba (taverna) in the village of Šipan town — no name, no sign, the third door on the left from the harbour — serves the local fisherman's catch simply prepared and the local wine from unlabelled bottles, which is exactly right.
The wines of the Pelješac Peninsula — twenty minutes north by boat — are the correct accompaniment to all of this: Dingač and Postup from the Plavac Mali grape, dense and generous, produced from vines that grow on vertical cliff faces above the sea. The winery at Matuško in Potomje is the standard reference for serious visitors.