Sydney is not short of spectacular waterfront venues for a romantic night out, but there's nothing like seeing the sparkling harbour in all its glory from the water. Preferably on a large, elegant yacht set up for an overnight stay for just the two of you – and a skipper who does all the sailing business while you kick back with a glass of something delicious. We board the gleaming, 12-metre James Chin at Sydney by Sail's private marina, handily situated in front of the Australian National Maritime Museum in Darling Harbour. "Is there anywhere special you'd like to see?" skipper Mike asks...