320 Atlantic Road Key Biscayne, FL $ 8,925,000
320 Atlantic Road
$ 8,925,000
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320 Atlantic Road

Key Biscayne, FL, 33149
$ 8,925,000
Bedrooms6 Baths6.1 Sq 5,275

Monthly Estimate*

$ 55,680

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Single Family Home for sale in Key Biscayne, FL

for $8,925,000 with 6 bedrooms and 6 full baths, 1 half bath. This 5,275 square foot home was built in 2010.

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.

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Single Family Active

Price

$ 8,925,000

Bedrooms

6

Full Bath

6

Half Bath

1

Property Type

Single Family

Taxes

$ 49,209

Style

Year Built

2010

Town/City

Key Biscayne

County/Region

Miami-Dade

MLS | Web ID

A11914376

Features
General
Sewer Public Sewer
Heating Electric
Cooling Central Air
Utilities Cable Available
Possession Closing & Funding
Roof Spanish Tile
Appliances Built-In Oven Dryer Dishwasher Electric Water Heater Disposal Gas Range Microwave Refrigerator Washer
Garage Spaces 2
Patio/Porch Features Balcony Open Patio Porch
Architectural Style Two Story
Pool Features In Ground Pool Community
Restrictions OK To Lease
Construction Materials Block
Pets Allowed Conditional Yes
Year Built 2010
View Garden
Stories Count 2
Levels Two
Property Subtype Single Family Residence
Tax Year 2024
Community Features Pool
County Miami-Dade
Property Type Residential
Attached Garage true
Subdivision Name HOLIDAY COLONY
Facing Direction East
Garage Y/N true
Total Rooms 0
Full Baths 6
Special Listing Conditions Listed As-Is
Status Active
High School Coral Gables
City Key Biscayne
Disclosures Flood Plain Disclosure
Senior Community Y/N false
Zoning Description 0100
MLS Area 42
Lot Size Units Square Feet
Lot Size Square Feet 12234
Listing Terms Cash Conventional
Elementary School Keybiscayne
Year Built Details Resale
Tax Annual Amount 49209
Middle/Junior High School Ponce De Leon
Lease Considered Y/N false
Standard Status Active
Occupancy Type Call Agent
Property Sub Type Additional Single Family Residence
Legal Description HOLIDAY COLONY PB 50-87 LOT 3 BLK 4 LOT SIZE 101.110 X 121 OR 15252-663 1091 1 COC 23506-2900 06 2005 1
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Interior
Interior Amenities Bidet Built-in Features Bedroom on Main Level Breakfast Area Closet Cabinetry Dining Area Separate/Formal Dining Room Dual Sinks Entrance Foyer First Floor Entry High Ceilings Separate Shower Walk-In Closet(s)
Flooring Hardwood Marble Wood
Furnished Y/N Unfurnished
Air Conditioning Y/N true
Heating Y/N true
Window Features Blinds Drapes
Half Baths 1
Total Bedrooms 6
Total Baths 7
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Exterior
Exterior Amenities Balcony Security/High Impact Doors Lighting Outdoor Grill Porch Patio
Parking Features Attached Driveway Garage Garage Door Opener
Lot Features 1/4 to 1/2 Acre Lot Sprinklers Automatic
Water Source Public
Lot Size Area 12234
Building Area Total 6532
Waterfront Y/N false
Covered Spaces 2
Road Frontage Type City Street
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* Excluded Features
List By
One Sotheby's International Realty

Broker

Brigitte@bnachtigall.com

Email

Affordability Calculator

$59,781
Per Month
93%
7%
0%
Monthly Principal & Interest
$55,680
Monthly Property Taxes
$4,101
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
3062566 Elementary School
4268812 Middle School
Coral Gables High School High School
Pricing History
DatePricePrice ChangeDescription
11/24/2025$8,925,000 Listed Price

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320 Atlantic Road, Key Biscayne, FL, 33149 is a Single Family Home for sale at $8,925,000 with 5,275 sqft. 320 Atlantic Road has 6 bedrooms, 6.1 baths, and was built in 2010. The property's zip code is 33149 which is in Key Biscayne, FL