4-Bed Single Family Residence at CAPE FLORIDA SUB SEC 3 in Key Biscayne

$19,800,000

Listing courtesy of One Sotheby's International Realty; Lucia Marin. Information from the Southeast Florida Multiple Listing Service is deemed reliable but is not guaranteed accurate.

For Sale
bedrooms

4

bathrooms

5

Square Footage

8240

Type of Property

Single Family Residence, Residential

Details

Overview

Sub Type
Single Family Residence
Price Per Sqft
$2,403/sqft
Built In
2007
Taxes
$155,395/yr

Description

Enjoying an exceptional 270ft of L-shaped water frontage facing 185-ft-wide Pines Canal and the natural beauty of Bill Baggs Cape Florida State Park, this elegant island-coastal estate is tailored to a boating lifestyle. Offering calm and naturally sheltered harbor, concrete seawall, boat lift, dockside kitchen and side-dock boat storage that preserves unobstructed water views, the property provides a sense of openness, privacy, and tranquility. Clean architectural lines, an internal garden courtyard, and generous covered terraces fill the residence with natural light and create a seamless connection to the surrounding water and landscape. This elevated home offers 4 bedrooms plus staff quarters, 5 bathrooms, and 4 half-baths within 8,240 sqft of living space on a 16,500-sqft lot. Architectural tray ceilings, refined millwork, custom wall paneling, and thoughtfully designed built-ins with abundant storage add depth and craftsmanship while maintaining a light, contemporary coastal aesthetic. Formal living and dining rooms with elegant millwork provide an ideal setting for entertaining. The kitchen is appointed with Calacatta Gold marble countertops, gas cooking, Sub-Zero and Viking appliances, and a butler’s pantry. Additional highlights include 2 family rooms, fitness center with water views, 2 garages accommodating 7+ cars/golf carts, temperature-controlled wine cellar for 1,400+ bottles, elevator, retractable screen doors, generator and saltwater heated pool.

This single family residence home located at 100 Cape Florida Dr, Key Biscayne FL 33149 is currently for sale and has been available on Brickellsold for 36 days. This property is listed at $20M. It has 4 beds, 5 bathrooms, and is 8240 square feet. It was built in 2007. 100 Cape Florida Dr, Key Biscayne FL 33149 is in Key Biscayne county Miami-Dade County.

Interior

Bedrooms
4
Bathrooms
9
Bathrooms Full
5
Features
  • Flooring: Marble, Other, Wood
  • Common walls with other units/homes: Detached, Three Or More Stories
Heating
Electric
Cooling
Electric
Appliances
Dishwasher, Disposal, Dryer, Electric Water Heater, Ice Maker, Microwave, Other Equipment/Appliances, Water Purifier, Gas Range, Refrigerator, Washer
Total structure area
11,006
Total interior livable area
8,240 sqft

Property

Parking
  • Covered Spaces: 7
  • Parking Features: Driveway,Golf Cart Parking
  • Garage Spaces: 7
Parcel Number
24-52-05-024-0390
Features
  • Entry location: Built-in Features, Closet Cabinetry, Elevator, Vaulted Ceiling(s), Walk-In Closet(s), Den/Library/Office, Family Room, Other, Recreation Room
  • Exterior Features: Lighting, Outdoor Shower
  • Has View: Yes
  • View Description: Canal

Construction

Property subtype
Single Family Residence, Residential
Materials
CBS Construction
Condition
  • Year Built: 2007

Community & HOA

Community
  • Security Features: Smoke Detector
  • Subdivision: CAPE FLORIDA SUB SEC 3
HOA
  • Amenities:
Region
Key Biscayne

Financial

Price Per Sqft
$2,403/sqft
Taxes
$155,395/yr
On Market Date
1/5/2026
Listing Terms
All Cash, Conventional

Metadata

Added
1/6/2026
Updated
2/11/2026
MLS#
A11934196
Days on Market
36
Listed By
One Sotheby's International Realty
Originating MLS
A-Miami Association of REALTORS

Neighborhood Insights

School and crime data are from public sources and are informational only.

Nearby Schools

Within 5 miles

  • Key Biscayne K-8 Center 0.0 mi • K-12
  • Marjory Stoneman Douglas Biscayne Nature Center 0.0 mi • K-12
  • Maritime & Science Technology Academy 0.0 mi • K-12

Nearby Hospitals

Within 3 miles

No nearby hospitals found.

Crime Overview

Crime data unavailable for this area.

Map

Price History

EventPriceDate
Original list price$19,800,000Jan 6, 2026

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