Day 1: Explore Waitakere Ranges and Black Sand Beaches- Stay somewhere near the airport.
Day 2: Leave at 6:00am and head to Tauranga for Dolphin Swim from 9-3pm. Visit Hell's Gate for a mud bath on the way to Rotorua. Stay at Rydges Hotel.
Day 3: Explore Rotorua and then head to Taupo- visit Wai-o-tapu and Huka Falls. Stay at Lake Taupo Motor Inn.
Day 4: Visit Glow worm caves in Waitomo and then drop off car at Airport. Take shuttle to downtown Auckland- stay at Auckland city hotel on Hobson.
Day 5: Ferry to Waiheke Island and explore.