320 Atlantic Road

Key Biscayne FL 33149

6532 sq. ft.

12234 sq. ft.

Single-Family

Last sold for $8,200,000

Brigitte Nachtigall, last sold this property on 25 February 2026 after 92 days on market.

Overview

Stunning residence in the highly sought-after Holiday Colony, just one block from the beach. Location truly sets this property apart. Built in 2010, this beautifully crafted two-story home offers soaring ceilings and impeccably defined spaces, including an elegant formal living room with fireplace, a gracious dining room, and a spacious family room ideal for everyday living. With 6 large bedrooms and 6.5 baths, the home features 5,581 SF under A/C and sits on a 12,234 SF lot surrounded by lush, mature landscaping that ensures complete privacy. Two gorgeous terraces ... including a first-floor terrace with a BBQ area provide wonderful outdoor spaces for entertaining and enjoying South Florida’s year-round lifestyle. The second-floor terrace, located off the primary suite, is the perfect spot to enjoy your morning coffee. The home also offers excellent closet space throughout. These inviting areas flow effortlessly to a spectacular pool and generous yard framed by tropical greenery, creating a serene retreat that is also perfect for family enjoyment. A spacious 2-car garage adds comfort and practicality. Thoughtfully designed with sophistication and comfort in mind, this residence showcases high-end finishes such as limestone and European ash wood flooring. Warm, refined, and incredibly welcoming, this is a truly exceptional family home in one of Key Biscayne’s most desirable neighborhoods.

Features

6 bedrooms

7 bathrooms

2 carspaces

2 garage spaces

6532 sq. ft. floor area

12234 sq. ft. lot size

Single-Family

Estimated Value

Based on this property and similar 6 bedroom single-family properties sold in Key Biscayne over the last 12 months, the estimated median property value of 320 Atlantic Road is $5.22m.

Median value

$5.22m

Estimated value range

$4.2m - $21m

Median days on market

Estimated value trend

10%

increase over the last 12 months

Average days on market is based on recent, comparable sales in Key Biscayne. It is only an indication of the time a property is actively listed and should not be relied upon as an accurate representation of how soon a property will be sold.

Property history for 320 Atlantic Road

2026

Sold

$8,200,000

25 Feb 2026 by Brigitte Nachtigall, of One Sotheby's International Realty

2012

Sold

$3,225,000

11 Jun 2012 by Kari Madera, of Fortune International Realty Key Biscayne Inc

Happy sellers in Key Biscayne

We have insufficient information to provide an overview of customer satisfaction for Key Biscayne. Viewing the agent profiles, reviews and sales for Key Biscayne can provide insights for this location.