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100 Cape Florida Dr, Key Biscayne, FL 33149
$19,800,000
· $2,403/sqft · Est. $125,174/mo
4 bd · 5 ba + 4 half · 8,240 sqft · 0.38 acres (16,500 sqft) · 36 days on market · MLS# A11934196
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Comparative Market Analysis
About 100 Cape Florida Dr, Key Biscayne, FL 33149
Listing details for 100 Cape Florida Dr, Key Biscayne, FL 33149: 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.
Bedrooms
4
Bathrooms
5 full · 4 half
Square Feet
8,240
Year Built
2007
Lot
0.38 acres (16,500 sqft)
Garage
7 spaces
HOA
No
Taxes (2025)
$155,395
Property Details for 100 Cape Florida Dr, Key Biscayne, FL 33149
MLS# A11934196 · Source: MIAMI + RWorld · Updated Feb 11, 2026
Interior
Bedrooms & Bathrooms
- Bedrooms: 4
- Full Baths: 5
- Half Baths: 4
Heating & Cooling
- Heating: Electric
- Cooling: Electric
Appliances & Laundry
- Appliances Included: Dryer, Dishwasher, Electric Water Heater, Disposal, Gas Range, Ice Maker, Microwave, Refrigerator, Water Purifier, Washer
Interior Features
- Interior Features: Bidet, Built-In Features, Breakfast Area, Convertible Bedroom, Closet Cabinetry, Dining Area, Separate Formal Dining Room, Dual Sinks, Kitchen Dining Combo, Separate Shower, Upper-Level Primary, Vaulted Ceilings, Walk-In Closet(s), Elevator
- Flooring: Hardwood, Marble, Wood
- Has Fireplace: No
- Accessibility Features: Accessible Elevator Installed
- Furnished: Negotiable
- Other Equipment: Generator
Interior Area
- Total Interior Livable Area: 8,240 sqft
- Total Structure Area: 11,006 sqft
Property
Parking
- Has Garage
- Yes
- Garage Spaces
- 7
- Covered Spaces
- 7
- Parking Features
- Attached, Driveway, Garage, Golf Cart Garage, Garage Door Opener
Features
- Direction Faces
- North
- Patio & Porch
- Open, Porch
- Exterior Features
- Fence, Lighting, Outdoor Shower, Porch, Security High Impact Doors
- Has Private Pool
- Yes
- Pool Features
- Heated, In-Ground, Pool
- View Description
- Canal
- Waterfront
- Yes
- Waterfront Features
- Canal Front, Ocean Access, Seawall
Lot
- Lot Size
- 0.38 acres (16,500 sqft)
- Lot Features
- Quarter to Half Acre Lot, Automatic Sprinklers
- Road Frontage
- City Street
Details
- Parcel Number
- 24-52-05-024-0390
- Zoning
- 2000
- Legal Description
- Cape Florida Sub Sec 3 PB 79-64 Lot 24 Blk 8 Lot Size 100.000 X 165 or 16778-1239 0495 4 Coc 22005-0389 01 2004 4
Construction
Type & Style
- Home Type
- Single Family Residence
- Property Type
- Residential
- Architectural Style
- Detached
Materials
- Construction Materials
- Block
- Roof
- Metal
- Window Features
- Blinds, Impact Glass
- Storm Protection
- Complete Impact Glass, Impact Resistant Doors, Whole House Permanent Generator
Condition
- Condition
- Effective Year Built
- New Construction
- No
- Year Built
- 2007
Utilities & Green Energy
- Water Source
- Public
- Sewer
- Public Sewer
- Security Features
- Smoke Detectors
Community & HOA
Community
- Subdivision
- Cape Florida Sub Sec 3
- Restrictions
- No Restrictions
- 55+ Community
- No
Housing in Village Of Key Biscayne
- Median Value of All Homes (2023 Census)
- $1,246,268
- Median Rent
- $3,394/mo
- Owner-Occupied Homes
- 69%
- Homes Built
- Mostly 1970s
- Housing Units
- 4,994
HOA
- Membership Required
- No
Location
- Neighborhood
- Village Of Key Biscayne
Financial & Listing Details
- Price per Sq Ft
- $2,403/sq ft
- Annual Tax Amount
- $155,395
- Tax Year
- 2025
- Date on Market
- Jan 6, 2026
- Cumulative Days on Market
- 36 days
- Listing Terms
- Cash, Conventional
- Special Conditions
- Listed As Is
- Possession
- Close of Escrow
- Occupant Type
- Owner
- MLS Number
- A11934196
- Listed By
- Lucia Marin — One Sotheby's International Realty
Cape Florida Sub Sec 3
Cape Florida Sub Sec 3 is a neighborhood in Key Biscayne. Census median home value is $1,246,268.
Location of 100 Cape Florida Dr, Key Biscayne, FL 33149
- Street Address
- 100 Cape Florida Dr
- City
- Key Biscayne
- ZIP Code
- 33149
- Neighborhood
- Cape Florida Sub Sec 3
- County
- Miami-Dade County
Estimated monthly
30-yr fixed
$125,174
/mo
$19,800,000 · 20% down · 7.25%
Principal & interest
$108,100
Property taxes
$12,950
Home insurance
$4,125
Home price
$19,800,000
Down payment
$3,960,000 · 20%
Interest rate
7.25%
Estimates only. Actual costs vary by lender, credit score, and market conditions.
Frequently Asked Questions About 100 Cape Florida Dr
How much is 100 Cape Florida Dr, Key Biscayne, FL 33149 listed for?
100 Cape Florida Dr, Key Biscayne, FL 33149 is currently listed at $19,800,000. That works out to approximately $2,403 per square foot.
How big is 100 Cape Florida Dr?
This property features 4 bedrooms, 5 full and 4 half bathrooms, 8,240 sq ft of living space.
What are the property taxes on 100 Cape Florida Dr, Key Biscayne, FL 33149?
The most recent tax bill for 100 Cape Florida Dr, Key Biscayne, FL 33149 is $155,395/yr (~$12,950/mo). Florida primary residents may qualify for a homestead exemption that reduces this amount.
Are there HOA fees at 100 Cape Florida Dr?
Based on current MLS data, no HOA fee is listed for this property. We recommend confirming with the seller's disclosure or your agent, as some communities charge fees not reflected in MLS.
Which schools are zoned for 100 Cape Florida Dr, Key Biscayne, FL 33149?
Based on attendance-zone data, this home is zoned for: Key Biscayne K-8 Center (Elementary), Ponce De Leon Middle School (Middle), Coral Gables Senior High School (High). School assignments are set by the county board and may change. Verify current boundaries with Miami-Dade County Public Schools before enrolling.
How does the list price compare to Cape Florida Sub Sec 3 home values?
At $19,800,000, this home is listed 1489% above the Cape Florida Sub Sec 3 census median home value of $1,246,268. Actual sale price is set by negotiation.
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Listing Information & Disclaimer
Listed By: One Sotheby's International Realty · 786.325.6800
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.
Listing information is provided in part by the MIAMI + RWorld Internet Data Exchange program. IDX information is provided exclusively for consumers' personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed accurate by the MLS. Data last updated Nov 15, 2026 7:26 AM. Equal Housing Opportunity.
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