Value: $200 million
Details: Less a house than a compound, this 23-acre property is home to 10 buildings, a man-man lake, koi pond, tea house, and bath house.
Owner: Larry Ellison—Co-founder of Oracle and the third-richest man in the world in 2013, according to Forbes.
Value: $222 million
Details: Another property on Billionaires Row, 18-19 sits alongside the home of Prince William and Kate Middleton. This particular residence has 12 bedrooms, Turkish baths, an indoor pool, and parking for 20 cars.
Owner: Lakshmi Mittal—The head of Arcelor Mittal, the world’s largest steel manufacturer, and, according to Forbes, one of the 100 richest men in India.