Mansion
$19,800,000
100 Cape Florida Dr, Key Biscayne FL 33149 – Residential
Cape Florida Dr
- 4 beds
- 7 baths
- 8,240 sqft
4
Beds
7
Baths
8,240
SQUARE FEET
Single Family Residence
Type
2007
Built
Listing courtesy of
One Sotheby's International Realty
Lucia Marin
MLS® #A11934196
Listing information last updated February 11, 2026
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Overview
This single family residence in Key Biscayne has 4 bedrooms and 7 bathrooms across 8,240 square feet, and is listed for sale at $19,800,000 (about $2,403 per square foot). Built in 2007.
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 history
Listed for sale
Jan 6, 2026 · MIAMI MLS
$19,800,000
Days on market
as of today
196 days
Building & financials
FROM MIAMI MLSThe carrying-cost and structural facts that close or kill a Miami deal — straight from the listing feed.
Annual property tax (2025)
$155,395
Association type
None
Waterfront
Ocean Access, Canal Front, Seawall
Dues, taxes, and association data per MIAMI MLS and public records; flood zone from FEMA NFHL. Verify with the HOA, county, and your insurer during due diligence.
Property details
MLS #A11934196
Price$19,800,000
Size8,240 Square Feet
Bedrooms4
Bathrooms7
Garage7
Year built2007
TypeSingle Family Residence
StatusFor Sale
Price / Square Feet$2,403
Features & amenities
Built-in Features
Closet Cabinetry
Den/Library/Office
Dishwasher
Disposal
Dryer
Electric Water Heater
Elevator
Family Room
Garage Attached
Gas Range
Has a View
Has Cooling System
Has Garage
Has Heating System
Has Waterfront
Ice Maker
Lighting
Microwave
Open Parking
Other
Other Equipment/Appliances
Outdoor Shower
Recreation Room
Refrigerator
Vaulted Ceiling(s)
Walk-In Closet(s)
Washer
Water Purifier
Location
100 Cape Florida Dr, Key Biscayne FL 33149
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List your rental →Listing data © MIAMI MLS · IDX information deemed reliable but not guaranteed · 196 days on market.
We do not advertise a “free” buyer’s agent; buyer-representation compensation is disclosed in writing. Bitcoin pricing is indicative and updates with the market — not financial, tax, or legal advice. Buyer to independently verify all measurements, assessments, and flood & insurance facts.