The groups listed here are;
- Iwi recognised by the Crown in the Māori Fisheries Act 2004
- Any other iwi/hapū groups that have been formally recognised by the Crown for historic Treaty settlement purposes
- Most of these recognised iwi/hapū are represented by an Iwi authority for the purposes of the Resource Management Act 1991 (RMA)
- Ngāti Kahungunu
- Te Wairoa Iwi and Hapū
- Ngāti Pāhauwera
- Ngāti Hineuru
- Maungaharuru-Tangitū Hapū
- Ahuriri Hapū
- Heretaunga Tamatea
- Ngāti Kahungunu ki Wairarapa - Tāmaki nui-ā-Rua
- Rangitāne