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Location: Key Biscayne, Fla.
The Skinny: Increasingly dire warnings of rising sea levels and ever more powerful hurricanes have yet to put a dent in the barrier island real estate market, as evidenced by the $27M asking price for this massive manse on the leeward side of Key Biscayne. To be fair, the five-bedroom, five-bathroom home does come outfitted with hurricane-resistant impact glass, and just one look at the views across Biscayne Bay towards the gleaming skyline of Miami makes it clear why folks would want to live here (even with the sky-high flood insurance premiums). The 10,000-square-foot house sits near the mouth of Hurricane Harbor, and is loaded with features designed to take advantage of the sub-tropical locale, including a dock with a boat lift and a bayside infinity pool. Inside is a high-ceilinged great room with a spiral staircase leading to an observation level with sitting room and fireplace, and of course the place is outfitted with all the latest house tech, including Lutron lighting and a generator to keep said lighting going when the next monster storm strikes.