The peninsula is 3.25 km long north–south, and has an area of 1.75 km2. It is 400 metres wide on the average, with a minimum of 250 metres. At its widest, where it joins the main island, it reaches 750 metres in with. By comparison, Tekopua, the largest true reef island of Aitutaki, is 2.25 km long and 0.71 km2 in area.
