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.
Listing Provided Courtesy of One Sotheby’s International Realty at 305-365-2811
Property Details
Price:
$19,800,000
MLS #:
A11934196
Status:
Active
Beds:
4
Baths:
7
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
CAPE FLORIDA SUB SEC 3
Neighborhood:
2520
Listed Date:
Jan 6, 2026
Finished Sq Ft:
8,240
Total Sq Ft:
11,006
Lot Size:
718,740,000 sqft / 0.38 acres (approx)
Year Built:
2007
See this Listing
Schools
Elementary School:
Key Biscayne K-8
Middle School:
Ponce De Leon
High School:
Coral Gables
Interior
Appliances
Electric Water Heater, Dishwasher, Disposal, Dryer, Gas Range, Ice Maker, Microwave, Refrigerator, Washer, Water Purifier, Other
Bathrooms
5 Full Bathrooms, 4 Half Bathrooms
Cooling
Electric
Flooring
Marble, Wood, Other
Heating
Electric
Interior Features
Built-in Features, Closet Cabinetry, Elevator, Vaulted Ceiling(s), Walk-In Closet(s)
Levels
Three Or More
Exterior
Accessibility Features
Accessible Elevator Installed
Attached Garage YN
1
Construction Materials
CBS
Covered Spaces
7
Direction Faces
North
Exterior Features
Lighting, Outdoor Shower
Fencing
Fenced
Garage Spaces
7
Parking Features
Attached, Attached Garage, Driveway, Garage, Garage Door Opener, Golf Cart Garage
Patio And Porch Features
Porch – Open, Porch
Roof
Metal
Security Features
Smoke Detector(s)
View
Canal
Waterfront Features
Ocean Access, Canal Front, Seawall
Window Features
Blinds
Financial
Tax Year
2025
Taxes
$155,395
Map
Community
- Address100 Cape Florida Drive Key Biscayne FL
- SubdivisionCAPE FLORIDA SUB SEC 3
- CityKey Biscayne
- CountyMiami-Dade
- Zip Code33149
Market Summary
Current real estate data for Single Family in Key Biscayne as of Nov 04, 2026
41
Single Family Listed
150
Avg DOM
2,613
Avg $ / SqFt
$14,294,537
Avg List Price
Property Summary
- Located in the CAPE FLORIDA SUB SEC 3 subdivision, 100 Cape Florida Drive Key Biscayne FL is a Single Family for sale in Key Biscayne, FL, 33149. It is listed for $19,800,000 and features 4 beds, 7 baths, and has approximately 8,240 square feet of living space, and was originally constructed in 2007. The current price per square foot is $2,403. The average price per square foot for Single Family listings in Key Biscayne is $2,613. The average listing price for Single Family in Key Biscayne is $14,294,537.
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