On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

Undersea New Zealand (out of print, new version available November 2012)

This is a special edition, high quality colour poster that vividly illustrates the variability and complexity of the New Zealand ocean floor. This award-winning publication has proven to be extremely popular for scientific, educational, and general use. Published in 1996, the poster covers the whole New Zealand region at a scale of 1:4,000,000.
The poster is approximately 75 cm x 100 cm.

$28 (out of print, new version available November 2012)