Known as Koolau Ranch, plans for the estate reportedly show two main mansions that encompass a total of 57,000 square feet (5,295sqm) of living space. Across the two proposed properties, there are at least 30 bedrooms and 30 bathrooms, alongside offices, conference rooms, and a catering kitchen. Meanwhile, a separate spa complex will house swimming pools, a sauna, a hot tub, a gym, and a tennis court.

There are a few more unusual additions too, according to planning documents. 11 circular treehouses will be constructed in woodlands nearby, each connected by a network of rope bridges. Most curious of all, however, is the 5,000-square-foot (465sqm) bunker that will join the two main mansions via an underground tunnel. The subterranean shelter will feature a living space, a mechanical room, and an escape hatch.

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