All of the major real estate agency groups have their own searchable websites with their own listings and many of them are very good, however some are stronger in certain regions and have different resources available than others.
The agency groups may all beat their chests about their own websites but Trade Me and Realestate.co.nz are without doubt the 900-lb gorillas in the home search business with over 50,000 listings each, but both have their unique quirks.
Here's a summary and review of the main search websites so you can find your way through the property jungle.