Public buses depart from Britomart Transport Centre every 15mins, 7 days a week. Bus Stop 1323 - Customs Street by the Postshop. Allow 20-25 minutes. Bus prices are from $4.50 per adult (subject to change).
Present your public bus ticket or Auckland HOP card on arrival at Kelly Tarlton's and receive the cost of the bus journey from Auckland CBD off your aquarium entry. Not valid with any other discount.
You can also catch the Auckland Explorer Bus. This departs from the Ferry building (City Bus stop # 1).