Ngai Te Rangi plans to fight a Deed of Settlement agreement which it says will allow Hauraki iwi rights to Tauranga Harbour.
In a statement issued yesterday the iwi described the Government initialling a Deed of Settlement with a Hauraki iwi collective this week as "a secret deal" and a "step too far" for Tauranga iwi and hapu, who would be disadvantaged by it.
However, Minister of Treaty Settlements Chris Finlayson last night responded that there was no secret deal.
"We've just initialled the Deed Settlement with the Hauraki Collective. There has been ongoing discussions between the Tauranga Iwi and the Hauraki Iwi about the nature of the extent of Hauraki's historical interests in Tauranga Moana. They took us to the tribunal over it, so there is nothing finalised in so far as the Moana is concerned.
"It will be the subject of ongoing negotiations between all iwi over the next 12 months.