Doubtful Sound Overnight Cruise, Fiordland.. Your cruise of a lifetime... Experience a unique overnight cruise on beautiful and serene Doubtful Sound, in Fiordland, one of our most scenic and awe inspiring sounds within the Fiordland National Park.. If you would like to discover Fiordland in a relaxing and personal way come join us on one of our overnight cruises on Doubtful Sound... We are small and friendly and kiwi operated with accommodation aboard for 12 guests only (6 private cabins). Don't miss the opportunity to join our cruise on Doubtful Sound.. We offer group charters to other sounds for longer durations (max 12). Read more..... We look forward to meeting you and having you joining us as we wind our way around Doubtful Sound in Fiordland aboard SEAFINN. Read our Guest's comments.... Chris and Diane Lemin A SPECIAL THANKYOU TO ALL WHO HAVE JOINED US ON MV FLYER. WE HOPE THAT YOU ALL ENJOYED YOURSELVES AND WILL JOIN US AGAIN ONBOARD SEAFINN. >> Book Now Please contact us