For saleActiveListed Jan 6, 2026 · 287 days
$19,800,000

100 Cape Florida Dr, Key Biscayne, FL 33149

4 beds5 full, 4 half baths8,240 sq ft$2,403 per sq ftBuilt 2007

As of , this 4 bedroom, 5 full and 4 half bath house is for sale at $19,800,000 ($2,403 per sq ft). It was listed on .

MLS data updated .

Key facts

Type
House
Year built
2007
Property tax
$155,395 (2025)
Parking
7 garage spaces
View
Canal
Waterfront
Yes
Cooling
Electric
Heating
Electric
MLS number
A11934196

Listing information

Listing courtesy of One Sotheby's International Realty, 305-365-2811, MLS@onesothebysrealty.com

Listing agent: Lucia A Marin, lamarin@onesothebysrealty.com

BeachesMLS. All listings featuring the BMLS logo are provided by BeachesMLS, Inc. This information is not verified for authenticity or accuracy and is not guaranteed. Copyright ©2026 BeachesMLS, Inc.

MIAMI MLS. Listing data from MIAMI MLS (South East Florida Regional MLS). Information is deemed reliable but not guaranteed.

Listing information is provided for consumers' personal, non-commercial use. It may not be used for any purpose other than to identify homes consumers may want to buy or rent.

Listing last changed .

From the listing

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.

The text above is the listing description from the MLS, as written by the listing agent.

The Key Biscayne market

As of , the median asking price in Key Biscayne is $2,235,000, or $1,141 per sq ft, across 147 listings for sale. The median listing for sale there has been on the market for 109 days.

Price and status history

Listing date
Days on market
287
Original list price
$19,800,000
Price changes
0
DateEventPrice
Listed$19,800,000

From the MLS. RealVista does not show sold prices.

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