Ōmaka marae is shared by many iwi; principal among these is Rangitane o Wairau and the hapū of Huataki.

The whare runanga is called Te Aroha O Te Waipounamu and was opened in 1985.

Ōmaka marae connects ancestrally to the maunga Tapuae-o-Uenuku, the Wairau River and the Kurahaupo waka.