320 Atlantic Rd, Key Biscayne, FL 33149
Property image
Property image
SOLD
FEB 25, 2026

320 Atlantic Rd
Key Biscayne, FL 33149

  • 6 Beds
  • 6.5 Baths
  • 5,275 sqft (on 0.28 acres)

$8,200,000

Last Sold: Feb 25, 2026
8% below list $8.93M
$1,555/sqft
Est. Refi. Payment $54,674/mo*

$8,200,000

Last Sold: Feb 25, 2026
8% below list $8.93M
$1,555/sqft
Est. Refi. Payment $54,674/mo*
6 Beds
6.5 Baths
5,275 sqft
(on 0.28 acres)

Home Value

Trulia Estimate
$8.13M
Since last month
Increased$22K (+0.3%)
Since last year
Increased$2M (+26.1%)
Since last sale
Decreased$72K (-0.9%)
Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.

Trulia Estimate

The of this home's value increased by +76% in the last 10 years
MonthEstimated value
2026
August 2026$8.13M
July 2026$8.11M
June 2026$8.13M
May 2026$8.12M
April 2026$8.19M
March 2026$8.19M
February 2026$8.2M
January 2026$8.31M
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016

Comparable sales

These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.
Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
0.10
Single-Family Home
$10,850,000
08/07/26
7
5.5
5,008
0.12
Single-Family Home
$10,500,000
07/01/26
5
5.5
5,074
0.11
Single-Family Home
$4,700,000
07/27/26
5
6
3,285
0.37
Single-Family Home
$6,700,000
04/22/26
6
5.5
3,520
0.33
Single-Family Home
$6,200,000
12/04/25
5
5.5
3,584
0.40
Single-Family Home
$5,220,000
10/01/25
6
6
3,737
0.06
Single-Family Home
$3,950,000
09/10/25
3
3.5
2,522

Nearby home prices

Get a sense of expected prices in the area by checking the value of nearby homes.
Address
Distance
Price
Bed
Bath
Sqft
Status
0.06
$5,331,600
3
3.5
2,522
Off Market
0.09
$5,430,400
5
5.5
3,827
Off Market
0.08
$8,917,800
7
5.5
5,074
Off Market
0.08
$5,398,700
3
3
3,221
Off Market
0.10
$10,850,000
7
5.5
5,008
Recently Sold
0.11
$4,700,000
5
6
3,285
Recently Sold
0.09
$6,525,300
3
4.5
3,013
Off Market
0.12
$10,500,000
5
5.5
5,074
Recently Sold
0.14
$5,793,900
4
4
3,290
Off Market
0.12
$3,515,400
5
4.5
3,138
Off Market
0.13
$1,250,000
2
2
1,506
Recently Sold

Local Information

  • Map ViewExplore the area around 320 Atlantic Rd.
  • Schools2 Preschool Schools1 Elementary School2 Middle Schools1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Year Built
2010
Lot Size
0.28 acres
Living Area
5,275 sqft
Price/Sqft
$1,555/sqft
Parking
2 Car Garage

About this House

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.
320 Atlantic Rd, Key Biscayne, FL 33149 is a 6 bedroom, 7 bathroom, 5,275 sqft single-family home built in 2010. It last sold for $8,200,000 on Feb 25, 2026 (8% below the $8,925,000 asking price). It is currently off market. The Trulia Estimate is $8,130,800, with a rent estimate of $35,687/month.
Last check for updates: about 19 hours ago
Listed by Brigitte Nachtigall, (305) 710-9664
One Sotheby's International Realty
Jorge Boj, (305) 803-6956
One Sotheby's International Realty
Bought with: Luis Fontaneda, (305) 338-5348, Douglas Elliman
Originating MLS: A-Miami Association of REALTORS
Source: MIAMI, MLS#A11914376

Home Details for 320 Atlantic Rd

Interior Features

Beds & Baths
Number of Bedrooms: 6Number of Bathrooms: 7Number of Bathrooms (full): 6Number of Bathrooms (half): 1
Dimensions and Layout
Living Area: 5275 Square Feet
Appliances & Utilities
Appliances: Dishwasher, Disposal, Dryer, Electric Water Heater, Microwave, Gas Range, Refrigerator, Oven, WasherDishwasherDisposalDryerLaundry: Laundry RoomMicrowaveRefrigeratorWasher
Heating & Cooling
Heating: ElectricHas CoolingAir Conditioning: Central AirHas HeatingHeating Fuel: Electric
Windows, Doors, Floors & Walls
Window: Blinds, DrapesDoor: High Impact DoorsFlooring: Marble, Wood
Levels, Entrance, & Accessibility
Stories: 2Entry Location: First Floor Entry, FoyerFloors: Marble, Wood
View
Has a ViewView: Garden

Exterior Features

Exterior Home Features
Roof: Curved S Tile RoofPatio / Porch: Open Porch, PatioExterior: Built-in Barbecue, Lighting, BalconyHas a Private Pool
Parking & Garage
Number of Garage Spaces: 2Number of Covered Spaces: 2Has a GarageHas an Attached GarageHas Open ParkingParking Spaces: 2Parking: Driveway,Garage Door Opener
Pool
Pool: In Ground, Pool Only, CommunityPool
Frontage
Road Frontage: Public RoadNot on Waterfront
Water & Sewer
Sewer: Public Sewer
Farm & Range
Not Allowed to Raise Horses
Surface & Elevation
Elevation Units: Feet

Property Information

Year Built
Year Built: 2010
Property Type / Style
Property Type: ResidentialProperty Subtype: Single Family ResidenceStructure Type: House, AttachedArchitecture: House,Attached
Building
Building Name: Holiday ColonyConstruction Materials: CBS Construction
Property Information
Usage of Home: PrimaryParcel Number: 2442320030380

Price & Status

Price
List Price: $8,925,000Price Per Sqft: $1,555/sqft
Status Change & Dates
Off Market Date: Wed Feb 25 2026Possession Timing: Funding

Active Status

MLS Status: Closed

Location

Direction & Address
City: Key BiscayneCommunity: Holiday Colony
School Information
Elementary School: KeybiscayneJr High / Middle School: Ponce De LeonHigh School: Coral Gables

Building

Building Area
Building Area: 6532 Square Feet

Community

Community Features: Pool

HOA

Association for this Listing: A-Miami Association of REALTORSNo HOA

Lot Information

Lot Area: 0.28 acres

Offer

Contingencies: Pending InspectionsListing Terms: All Cash, Conventional

Miscellaneous

Mls Number: A11914376

Additional Information

PoolSource Internet Entire Listing Display

Price and Tax history

DateEventPrice
Feb 25, 2026
Source: MIAMI #A11914376
Sold
$8,200,000
Nov 24, 2025
Source: MIAMI #A11914376
Listed For Sale
$8,925,000
Jun 12, 2012
Source: N/A
Sold
$3,255,000
Nov 1, 2010
Source: Agent Provided
PriceChange
$3,699,000
Price decreased by 7%
Aug 27, 2010
Source: Agent Provided
Listed For Sale
$3,998,000

Market trends in Key Biscayne

Last updated July 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$1.56M
$26.67K
MoM
Sale-to-List Price
94.6%
Price per sq ft
$981
$37
MoM
Available listings
144
15
MoM

Around this home

The GreatSchools Rating compares schools on a variety of school quality indicators including test scores, college readiness, equity and more. Learn more.

What Locals Say about Key Biscayne

At least 116 Trulia users voted on each feature.
  • 94 % Say it's walkable to grocery stores

  • 94 % Say kids play outside

  • 90 % Say it's dog friendly

  • 90 % Say it's walkable to restaurants

  • 86 % Say people would walk alone at night

  • 86 % Say there are sidewalks

  • 79 % Say it's quiet

  • 79 % Say there's holiday spirit

  • 76 % Say they plan to stay for at least 5 years

  • 68 % Say parking is easy

  • 67 % Say streets are well-lit

  • 60 % Say there are community events

  • 58 % Say neighbors are friendly

  • 54 % Say yards are well-kept

  • 52 % Say there's wildlife

  • 50 % Say car is needed

Sourced by Trulia users. Learn more about our methodology.
  • Othoniel Marlieri
    "Key Biscayne os a perfect place to leave, but need more attention about basic things like a Super Market and safe environment. "
  • Mariafedc
    "There are lots of places that are dog friendly. There’s a dog park. Many dog owners live in the area. "
  • Lladom
    "Very safe and friendly community. Excellent for growing up kids. Traffic is the downside. Best town in South Florida by large."
  • Ericazc
    "Christmas, 4th of July, and many other beautiful family events happens in the island. Great place for the kids. "
  • Deborah B.
    "Have been spending winters here for 53 years. Love the family focus, beautiful beaches and public amenities. Thoughtful services like free Freebee pick ups and transportation to shopping make the Key accessible for teens to seniors. "
  • Mati P.
    "Its beautiful, peaceful and safe. I feel great living here. It’s lush, people are friendly, and respectful. It’s a great place to raise a family. The community is very pretty, Gardenia are manicured. There’s beautiful beaches and gorgeous homes. The school is pretty good as well. "
  • Ayishamartins
    "Some places do not allow dogs but there is a dog park weather like a bunch of dogs and mostly it’s pretty nice"
  • Mati P.
    "This is a safe neighborhood, kids walk by themselves all the time. It makes me feel safe to life here. "
  • Luis D.
    "Halloween’s decoration and fully of events in that day. Many sports in Village green. The community center has many events for all the family "
  • Adrian.grottola
    "Very friendly for pets (dogs) with great special spaces for them and many dog walkers in the island."
  • Mathew P.
    "The unity and the sense of community. The safety and sense of family oriented households that attribute to a beautiful place to live. "
  • Ivan M.
    "Save and quite perfect place for a family. There are as a public transportation electric’s cars around the island. "
  • Mayra
    "Great neighborhood! They celebrate Halloween, Christmas, Easter and much more! A lot of activities and sports for kids"
  • Efrao
    "Great place to live and I don’t commute everything is close by and i walk to work. Public transportation is great "
  • Kikisammataro
    "Halloween is a big event. Saturday has a farmers market. Kids are safe. Many schools and parks. Including dog park. "
  • Mayra
    "This is a very safe family neighborhood. Kids run freely and there’s a lot of activities for them. The school is great but the classrooms have more students than it should."
  • Ljsklein
    "My building is dog friendly. It seems like most of the people have dogs and love to walk them. We all clean up after our dogs. There’s poop bags in containers around the building with a place to dispose of them. There is also a dog park on the Key. "
  • Maria
    "I don’t have dogs. There’s a very nice dog park right next to the green field. Dogs are not allowed in the field, that is why they have their dog park, but the many owners don’t follow the rules which is very annoying. Most of all when you get the smell when exercising...."
  • Fabio
    "Great Place to leave. Good people, privacy, no crime. Walkable area, beach access, wide kind of services. Thanks "
  • Dani.montenegro
    "I can’t give my opinion because I don’t have dogs, cat or any other pet. And there are many dog owners in KB but most of them are not very respectful with people who don’t. "
  • Dcas
    "Great area for kids and young families. Very safe neighborhood and extremely easy to walk or ride a bike anywhere "
  • Kiragrossman
    "They would absolutely love the dog park. There are two sides for bigger dogs and smaller dogs. Everyone is very friendly "
  • Kiragrossman
    "This is a Great place to live. The neighborhoods are safe and it’s a great location. Great for children. Good restaurants shops"
  • Sandra S.
    "I love this neighborhood, I have everything I need is quiet and safe, walk to most places and has two state parks"
  • Kimbokak
    "Friendly, kind neighbors, close to everything, and safe. You can do pretty much everything on the island, but it is more expensive."
  • Garandrew
    "I am visiting for vacations and love this place. Nice neighborhood and friendly people. Very likely I will recommend it to my friends and family. "
  • Thengea
    "If you don't have to commute out of the island it's wonderful. Otherwise, every event causes so much traffic. Living on an island is a blessing but the peoole really don't say hello or even make eye contact at the stores or parks :/"

LGBTQ Local Legal Protections

IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed.

Frequently asked questions about 320 Atlantic Rd

  • What is 320 Atlantic Rd estimated to be worth?
    Trulia's estimated value for 320 Atlantic Rd in Key Biscayne, FL is $8,130,800.
  • What is the price history for 320 Atlantic Rd?
    320 Atlantic Rd in Key Biscayne, FL last sold for $8,200,000 in February 2026.
  • Is Key Biscayne a buyer's or seller's market?
    Key Biscayne is currently a buyer's market, based on recent for-sale activity.
  • What's the median sale price in Key Biscayne?
    The median sale price in Key Biscayne is $1.56M. That is down $26.67K from the prior month.
  • Does 320 Atlantic Rd have air conditioning?
    Yes, 320 Atlantic Rd in Key Biscayne, FL has air conditioning.
  • Does 320 Atlantic Rd have a pool?
    Yes, 320 Atlantic Rd in Key Biscayne, FL has a pool.

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