CAPE FLORIDA SUB SEC 3
100 Cape Florida Dr, Key Biscayne FL 33149
4 beds · 5.5 baths · 8,240 ft²
$19,800,000
Est. Payment $105,384/mo
4
Bedrooms
5.5
Bathrooms
8,240
Sq. Ft.
2007
Year Built
7
Garage
151
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
- 151 days
- Listed
- Jan 6, 2026
- Last Updated
- Feb 11, 2026
- Price/Lot Sq.Ft.
- $1,200/ft²
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Market insights for Key Biscayne
Live MLS-derived activity. Forecast is a conservative rule-of-thumb estimate — not a guarantee.
Sellers market
July 2026
52
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).
| 1/6/2026 | Listed 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
GreatSchools Summary Ratings
Public + private K-12 schools within 5 miles of this listing.
Palm Beach County IndependentKG,1,2,3,4,5,6,7,8,9,10,11 · private · 0.3 mi
Greenacres Elementary SchoolPK,KG,1,2,3,4,5 · public · 0.6 mi
Greenacres Christian AcademyKG,1,2,3,4,5,6,7,8,9,10,11,12 · private · 0.7 mi
L C Swain Middle School6,7,8 · public · 0.7 mi
John I Leonard Adult Education CenterUG · public · 0.9 mi
John I. Leonard High SchoolPK,9,10,11,12 · public · 0.9 mi
Montessori Academyof Early Enrichment, IncPK,KG,1,2,3,4,5 · charter · 0.9 mi
Goliath Academy5,6,7,8,9,10,11,12 · private · 1.0 mi
Liberty Park Elementary SchoolPK,KG,1,2,3,4,5 · public · 1.3 mi
Forest Hill Elementary SchoolPK,KG,1,2,3,4,5 · public · 1.4 mi
Estimated Monthly Payment
$122,034/mo
Principal & Interest
$105,384
Property Tax
$16,500
Insurance
$150
HOA
$0
Estimates only. Actual payment depends on credit, lender, insurance carrier, and FL/Miami-Dade specifics. Contact Rangely for a precise quote.
The data relating to real estate for sale on this website comes in part from the Southeast Florida Multiple Listing Service. MLS Data is deemed reliable, but is not guaranteed accurate by MIAMI REALTORS®.
Accuracy of listing information is not guaranteed. Listing information is provided for personal consumer, non-commercial use, solely to identify potential properties for potential purchase. All other use is strictly prohibited and may be a violation of federal and state law.
Copyright Southeast Florida MLS a/k/a SEFMLS © 2026.
Updated within 24 hours
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