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.
Current real estate data for Single Family in Key Biscayne as of Oct 31, 2026
41
Single Family Listed
146
Avg DOM
2,613
Avg $ / SqFt
$14,295,512
Avg List Price
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
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
Contact Us
Mortgage Calculator
Community
- Address100 Cape Florida Drive Key Biscayne FL
- SubdivisionCAPE FLORIDA SUB SEC 3
- CityKey Biscayne
- CountyMiami-Dade
- Zip Code33149
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 $14,295,512. To schedule a showing of MLS#a11934196 at 100 Cape Florida Drive in Key Biscayne, FL, contact your Trust House Realty agent at 9543362003.
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