23 kilometres off the Tutukaka Coast in Northland, New Zealand sits the Poor Knights Islands. An absolute must-do when visiting New Zealand. Poor Knights Island One of the highest rated dive spots in New Zealand, these islands are great for beginners and advanced divers with easy to challenging dives. Poor Knights is also home to Rikoriko Cave, one of the largest sea caves in the entire world. We recommend using companies such as Dive! Tutukaka to organise dives and snorkelling