The iwi is to receive financial redress of $70.6 million, including opportunities to purchase and lease back Crown properties and a right of first refusal over surplus Crown properties.
The Crown will also introduce legislation providing Ngati Toa Rangatira with a right of attribution for the Ka Mate haka requiring Te Rauparaha, who composed it, to be acknowledged whenever it used in a commercial setting.
Mr Finlayson said another key part of the settlement was "a multi-faceted redress package over Kapiti Island reflecting its significance to the iwi".
The island, now a conservation haven for native species, was Te Rauparaha's stronghold for a number of years.
The package included vesting of and gifting back of part of the island, the vesting of a total of a further 189ha, and the establishment of a strategic advisory committee and conservation management plan.
A ceremony at which Mr Finlayson will formally apologise to the iwi will be arranged later and legislation giving force to the settlement will be passed next year.