[1] Its rohe (tribal area) extends from Golden Bay and Marlborough Sounds at the top of the South Island to Cape Campbell, St Arnaud and Westport.
The trust is a mandated iwi organisation in the Māori Fisheries Act, an iwi aquaculture organisation under the Māori Commercial Aquaculture Claims Settlement Act, a Tūhono organisation, and an "iwi authority" for the purposes of the Resource Management Act.
Te Atiawa o Te Waka-a-Māui Trust is a charitable trust, governed by four trustees from Marlborough and four trustees from Nelson and Motueka.
As of 2016, the chairperson of the trust is Glenice Paine, the general manager is Richardt Prosch, and the trust is based at Waikawa at Picton.
This article related to the Māori people of New Zealand is a stub.