New Construction Homes in Key Biscayne, FL

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1 Listing

Jonathan Alfonso

Portal Real Estate

Lic. #3306632

MIAMI REALTORS MLS: The multiple listing information is provided by MIAMI Association of Realtors® from a copyrighted compilation of listings. The compilation of listings and each individual listingare ©2026 MIAMI Association of Realtors®. All Rights Reserved.
The information provided is for consumers’ personal, noncommercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. All properties are subject to prior sale or withdrawal. All information provided is deemed reliable but is not guaranteed accurate, and should be independently verified. Last Updated: 2026-08-26 22:32:31 UTC

New Construction Homes in Key Biscayne, FL: 1 active listing as of October 6, 2026, 12:03 UTC.

September 2026 · This period is still settling

Selling at 94.7% of asking price

Buyers here are paying below asking. MLS · 15 sales · as of Sep 30, 2026

Source: HJN community data