A Geotech assessment has found land at Cape Kidnappers to be unstable, following a landslide which injured two people last week.
The initial assessment of the area by a team of experts concluded on Friday evening, less than 24 hours after it first began.
It has found further rockfalls around the area.
A Hastings District Council spokeswoman said this reiterates the need for the closure of all vehicle and pedestrian access to Cape Kidnappers along the beach from Clifton.
"Public safety is paramount and people are instructed to stay away from this area until further notice."