Among the information contained in the website there is a section of frequently asked questions. This is probably where most concerns can be found and answers obtained.

I have found one part that may be of interest to concerned beach users, I have cut and pasted a small portion ... the nuts and bolts so to speak.

What is the current legal situation regarding the coastline in New Zealand?
In 2011, the Marine and Coastal Area (Takutai Moana) Act 2011 replaced the Foreshore and Seabed Act 2004. The new Act establishes a shared space in the common marine and coastal area and guarantees free public access, navigation and fishing rights for all New Zealanders. The Act provides for the recognition of customary rights and interests such as customary marine title and protected customary rights.