CAPE FLORIDA SUB SEC 3

100 Cape Florida Dr, Key Biscayne FL 33149

4 beds · 5.5 baths · 8,240 ft²

For Sale · Active Listing

$19,800,000

Est. Payment $105,384/mo

MLS Sheet Video

4

Bedrooms

5.5

Bathrooms

8,240

Sq. Ft.

2007

Year Built

7

Garage

36

Days on Market

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.

Facts

MLS#
A11934196
Subdivision
CAPE FLORIDA SUB SEC 3
Property Type
Residential
Property Sub Type
Single Family Residence
Year Built
2007
Lot Size
16,500 ft²
Sq. Ft.
8,240 ft²
Sq. Mt.
766 m²
Price per sq. ft.
$2,403/ft²
Price per sq. mt.
$25,849/m²
Stories
Garage
7 spaces
Pool
Days on Market
36 days
Listed
Jan 6, 2026
Last Updated
Feb 11, 2026
Price/Lot Sq.Ft.
$1,200/ft²

Comparable homes

Same ZIP, similar price + bedrooms.

Market insights for Key Biscayne

Live MLS-derived activity. Forecast is a conservative rule-of-thumb estimate — not a guarantee.

Sellers market

May 2026

100/100
Buyers marketSellers market

50

Median days to sold

+4.5%

1-year price forecast (est.)

Price & tax history

From the live MIAMI MLS feed. Older history requires the ListingHistory resource (not yet enabled).

1/6/2026Listed for sale$19,800,000

History reflects fields present on the live MLS record. Full multi-year history requires the MIAMI ListingHistory resource (not yet enabled).

Location

100 Cape Florida Dr, Key Biscayne FL 33149Directions

GreatSchools Summary Ratings

Public + private K-12 schools within 5 miles of this listing.

GreatSchoolsData provided by GreatSchools.org © 2026. All rights reserved.

Estimated Monthly Payment

$122,034/mo

Principal & Interest

$105,384

Property Tax

$16,500

Insurance

$150

HOA

$0

20% ($3,960,000)
7.00%
30 years
1.00% (FL avg ~1.0%)
$0/mo
$150/mo

Estimates only. Actual payment depends on credit, lender, insurance carrier, and FL/Miami-Dade specifics. Contact Rangely for a precise quote.

Rangely Adames

Rangely Adames

Sales Associate | Sunland Group

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