The Tūwharetoa Māori Trust Board supports the following marae:
- Hikairo ki Te Rena
Ngāti Hikairo - Hirangi
Ngāti Turangitukua - Kakahi
Ngāti Manunui - Kauriki
Ngāti Hinemihi - Korohe
Ngāti Hine - Maroanui
Ngāti Rauhoto - Mokai
Ngāti Haa, Ngāti Moekino, Ngāti Parekaawa, Ngāti Te Kohera, Ngāti Tarakaiahi, Ngāti Wairangi
- Nukuhau
Ngāti Rauhoto, Ngāti Te Urunga - Otukou
Ngāti Hikairo - Papakai
Ngāti Hikairo - Poukura
Ngāti Parekaawa - Pukawa
Ngāti Manunui - Rongomai
Ngāti Rongomai - Te Haroto
Ngāti Hineuru
- Te Kapa o Te Rangiita ki Oruanui
Ngāti Te Rangiita - Te Mahau
Ngāti Te Mahau - Te Rangiita
Ngāti Ruingarangi - Te Tikanga / Tokorangi
Ngāti Waewae - Tokaanu
Ngāti Kurauia - Tutetawha
Ngāti Tutetawhā - Waihaha
Ngāti Tarakaiahi, Ngāti Wheoro
- Waihi
Ngāti Turumakina - Waipahihi
Ngāti Hineure, Ngāti Hinerau - Waitahanui / Pakira
Ngāti Tutemohuta - Waitetoko
Ngāti Te Rangiita - Whanganui Bay
Ngāti Te Maunga