Frankfurter Botschaft ★ 4.1
Frankfurter Botschaft sits on the Westhafen marina in Frankfurt, a Michelin Guide listed glass dining room cooking international plates dockside.
Order: The seasonal fish courses, eaten on the pontoon deck in summer
Tip: The harbour-basin terrace is the point; book an 18:00 table in July and watch the towers light up over dessert.