Powered by ENZ Experiences Ltd Book Now - Instant confirmation - Flexible to make changes Why book online before you arrive? Checkout Basket Add to basket Milford Sound Boat Cruise & Underwater Observatory Milford Sound Gift Voucher I want this to be an open dated Gift Voucher We will email you an open dated gift voucher valid for 12 months. The recipient will need to book an exact time and date online using the gift voucher they receive from you. Gift to name •Gift from name •Message to appear on Gift Voucher Select Date and Travelers Fields marked with a • are mandatory. If taking a coach transfer from Te Anau or Queenstown, please note a picnic lunch is included.