Motutui Island is a tidal island in the Bay of Islands of New Zealand, located about 10 kilometres (6.2 mi) north of Russell.

[1][2] It is located just off the Howe Point on Cape Wiwki on the Purepua Peninsula.

In Māori, 'motu' means island.

[3] 'Tui' could be referring to the endemic bird (Tūī), or the Māori name Tui.

[4] This Northland Region-related geography article is a stub.