It's ultra-ultra-ultra exclusive.
Fisher Island, Miami
Credit: Gina Pricope/Getty Images

If paradise were a zip code, it'd probably cost a pretty penny.

Earlier today, released their list of the 10 most expensive neighborhoods in the U.S. based on their data of median listing prices from June 2017 to May 2018. "We included only ZIP codes [sic] with an average of at least 12 listings per month, to make sure the results weren't skewed by a few big-ticket sales. And to give the ranking geographic diversity, we limited it to just two ZIP codes per state, and no more than one ZIP per metropolitan area," writer Lance Lambert added of their methodology in the blog post.

While the super luxe #1 slot went to Atherton, California's 94027, a town in the San Francisco Metropolitan Area, one Southern enclave made their top 10 list. Can you guess which zip made the cut? The answer is...33109!

WATCH: Can You Guess The Southern Town With The Hottest ZIP Code In America?

In case you need some translation help, that's Fisher Island, a ritzy hideaway a few miles from Miami. The 192-acre paradise has many listings on, but we officially have our hearts set on this $17 million mansion with an infinity pool. Or this $19,995,000 six-bedroom oceanfront oasis. Or...