Yes, you can effectively get around both islands of New Zealand by bus in 2026, primarily through the InterCity network. InterCity is the country's national bus line, connecting nearly every town and major tourist destination. For 2026 travelers, the FlexiPass is a popular option, allowing you to buy "hours" of travel that can be used on any route, including the Interislander ferry between the North and South islands. While buses are reliable and affordable, they are slower than driving and don't always offer the "scenic stop" flexibility of a rental car or a campervan. For those looking for a more social or "guided" experience, companies like Kiwi Experience or Stray offer hop-on, hop-off tours that cater specifically to backpackers. While the rail network in NZ is limited, the bus system remains the backbone of public long-distance travel, ensuring you can reach landmarks like Milford Sound or Hobbiton even without your own vehicle.