2. Nuku''alofa by Cruise Ship – How to Get to Nuku''alofa Several cruise liners have Nuku''alofa on the itinerary, with the city having one of only two ports for cruise ships available in Tonga. Vuna Wharf on the waterfront of Nuku''alofa is where cruise ships anchor, which is right beside the Royal Palace and a short walk from the city centre.