Pakihi Island is a privately-owned island located in the Hauraki Gulf to the east of the city of Auckland, New Zealand. With an area of 114 hectares (280 acres), it is one of the smallest of the Hauraki Gulf Islands. It is located 1 km southwest of Ponui Island, and 1.5 km offshore from Waitawa Regional Park.
The island's land use is primarily pastoral and plantations, but with some areas of native vegetation.
The island was purchased from Sir John Logan Campbell by the McCallum family in 1894 (along with the neighbouring, much smaller Karamuramu Island). William Fraser McCallum and his brothers created a partnership in 1904 and quarried red chert on the island from 1906 until 1927.
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- "McCallum Bros Limited History". McCallum Bros. Ltd. Retrieved 8 December 2018.