Bing Maps
The village, located on a tiny island in Miami's Biscayne Bay, is home to billionaires and A-listers from business tycoon Carl Icahn to supermodel Adriana Lima.
The enclave's main drag recently topped Zillow's list of the most expensive streets in America, with an average home value of $21.48 million, and it's been dubbed a "billionaire bunker."
But don't plan to take a self-guided tour next time you're in Miami. According to Forbes, "the sole entrance is heavily guarded, and a private police force patrols the island via boat, jeep and Jet Ski 24 hours a day."