Neighbour Bruno Chambers said his great-great-grandfather, John Chambers, "wrangled" the riverbed title along Matangi Rd in the 19th century. "He had come from Australia and was concerned about water rights for the farm," he said.
The farm, part of the original Chambers landholding, was advertised as having two houses, farming infrastructure and capable of running 5000 stock units.
Mr Haselsteiner is a co-founder, with Marcus Wolsdorf, of Interhyp, an internet-based mortgage distributor that went public in 2005. Interhyp was taken over by ING Direct in 2008, valuing the company at more than 400million ($633 million).
In 2011 the two founded investment firm HW Capital, which specialised in investments in financial services businesses.
Valuer Mark Morice said the property appeared to attract a "considerable premium" over and above its economic value as a farm because of its proximity to Havelock North and its scenic qualities.