An extended and leisurely cruise of milford sound to the tasman sea on the milford mariner or milford wanderer designed for the free independent traveler nature cruises have a relaxed and flexible itinerary designed to allow guests to see and experience what makes milford sound world renowned spend up to two and a half hours nudging into waterfalls spotting wildlife and listening to the informative commentary from our specialist nature guide who mingles with guests keep a look out for wildl