In July 1858 the Crown purchased Waihi block (II82 acres) on Mercury Island from Ngati Pupu and Ngati Matu for £224.1 James Preece was the Crown's purchase officer.
In August 1858 the Crown purchased Paeroa block on Mercury Island from Rawiri Warana of Ngati Karaua for £30.2
The same day it purchased Raparoa block on Mercury Island from three chiefs of Ngati Karaua, Pokaihaka, Rehara and Rawiri Te Ekehua, for 425.3 James Preece was the Crown's purchase officer for both purchases.
In November 1858 the Crown purchased Waitapu block on Mercury Island from Te Wairahi of Ngati Te Hihi for 450.4 Donald McLean was the Crown's purchase officer.
In April 1859 the Crown purchased Paoneone block on Mercury Island from Rawiri and Rehara of Ngati Karaua for 460.5 James Preece was the purchase officer.
In January 1860 Hangarua block on Mercury Island was purchased by the Crown from Wiremu Ruihana Pokaihaka, Eruera Taikawhitohi, Ripeka Rangitokona and Rawiri Warana of Ngati Karaua for 4100.6 James Preece was the Crown's purchase officer.
Te Huruhi block on Mercury Island was purchased by the Crown from Te Matenga and Ti Kaokao of Ngati Whanaunga in July 1861 for 4110.7 William Searancke was the Crown's purchase officer. The block was in two parts, the smaller part of 3 acres z roods io perches at Puke Ngaiau having already been surveyed.
The net effect of these purchases was that all of Great Mercury Island, apart from Whakakapua block of 73 acres, and Ohaka block of 21 acres, had been purchased by the
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