Premier Brokers International
100 Cape Florida Drive, Key Biscayne, FL 33149
ActiveMLS listing sourceMIAMI REALTORS® MLS
ActiveMLS® A11934196
$19,800,000

100 Cape Florida Drive, Key Biscayne, FL 33149

Beds
4
Baths
9
Sqft
8,240
Est. payment$125,588/mo
Home type
Single Family Residence
Year built
2007
Lot size
16,553 sqft
Price / sqft
$2,403
HOA
—
Community
CAPE FLORIDA SUB SEC 3

Property 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.

Listing activity

Days on market
289
Listed
Jan 6, 2026
MLS listing updated
May 31, 2026
Feed last checked
5 minutes ago

Listed by Lucia A Marin · One Sotheby's International Realty

Map

Map location is based on MLS-supplied coordinates. Verify the location before relying on it.

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms
4
Bathrooms
9
Bathrooms (decimal)
7
Full bathrooms
5
Half bathrooms
4

Rooms & features

Rooms
5
Interior features
Built-in Features, Closet Cabinetry, Elevator, Vaulted Ceiling(s), Walk-In Closet(s)
Flooring
Marble, Wood, Other
Appliances
Electric Water Heater, Dishwasher, Disposal, Dryer, Gas Range, Ice Maker, Microwave, Refrigerator, Washer, Water Purifier, Other
Furnished
Negotiable
Window features
Blinds
Other equipment
Other

Heating & cooling

Heating
Electric
Cooling
Electric
Property

Parking

Garage spaces
7
Garage
Yes
Covered spaces
7
Parking features
Attached, Attached Garage, Driveway, Garage, Garage Door Opener, Golf Cart Garage
Attached garage
Yes

Exterior

Stories
3
Building area
11,006 sqft
Patio & porch
Porch - Open, Porch
Exterior features
Lighting, Outdoor Shower
Fencing
Fenced
Pool
Yes
Pool features
Heated, In Ground
View
Canal
Waterfront
Ocean Access, Canal Front, Seawall
Waterfront property
Yes

Lot

Lot size
16,553 sqft
Lot size (acres)
0.38 acres
Zoning
2000
Road frontage
Public Road
Construction

Type & style

Home type
Single Family Residence
Year built
2007

Materials

Construction
CBS
Roof
Metal
Levels
Three Or More
Faces
North
Utilities & green energy

Utilities

Sewer
Public Sewer
Water
Public
Community & HOA

Community

Subdivision
CAPE FLORIDA SUB SEC 3
MLS area
2520
Security
Smoke Detector(s)
55+ community
No

Association

Has association
No
Lease details

Not reported by the listing source.

Location

Area details

City
Key Biscayne
County
Miami-Dade
ZIP code
33149
Manufactured home details

Not reported by the listing source.

Financial & listing details

Listing

MLS number
A11934196
Possession
Close Of Escrow
Original list price
$19,800,000
Parcel number
2452050240390
Annual property tax
$155,395
Tax year
2025
Tax 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
Additional MLS details

Reported by the listing source

Association
No
Bathrooms Total Decimal
7
Bathrooms Total Integer
9
Building Area Total
11006
Construction Materials
CBS
County Or Parish
Miami-Dade
Days On Market
289
Direction Faces
North
Elementary School
Key Biscayne K-8
High School
Coral Gables
List Price
19800000
Listing Contract Date
2026-01-06
Living Area
8240
Lot Size Acres
0.38
Lot Size Area
16500
MLSArea Major
2520
Middle Or Junior School
Ponce De Leon
Mls Status
Active
On Market Date
2026-01-06
Patio And Porch Features
Porch - Open, Porch
Photos Count
68
Postal Code
33149
Property Sub Type
Single Family Residence
Property Type
Residential
Road Frontage Type
Public Road
Rooms Total
5
Security Features
Smoke Detector(s)
Senior Community
No
Standard Status
Active
State Or Province
FL
Status Change Timestamp
2026-01-06T22:01:55Z
Stories Total
3
Subdivision Name
CAPE FLORIDA SUB SEC 3
Water Source
Public
Waterfront Features
Ocean Access, Canal Front, Seawall
Tax Annual Amount
155395
Bathrooms Full
5
Pool Private
Yes
Bedrooms Total
4
Bathrooms Half
4

Market value

Automated estimate—No licensed valuation source connected
Estimated sales range—Ask Karim for a local market analysis
Estimated rent—No licensed rental valuation source connected

Price history

DateEventPrice
Jan 6, 2026ListedMIAMI REALTORS® MLS$19,800,000$2,403/sqft

Public tax history

YearProperty taxesAssessment
2025$155,395—

Payment calculator

Estimated monthly payment$125,588/moIllustrative estimate, not a loan offer.
Principal & interest
$102,738
Property taxes
$12,950
Insurance
$9,900
Association dues
—

Live national rate context is displayed below through Mortgage News Daily’s official widget. The calculator rate remains a separate assumption until licensed machine-readable access is connected. This is not a loan offer.

Neighborhood

Area

CAPE FLORIDA SUB SEC 3

Key Biscayne · Miami-Dade County · 33149

Climate risk

—

No licensed climate-risk source is connected.

Nearby schools

Key Biscayne K-8Elementary
—
Ponce De LeonMiddle
—
Coral GablesHigh
—
School names and districts are MLS-reported when available. Verify attendance boundaries with the school district. Ratings require a licensed ratings provider.

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MLS listing source

MIAMI REALTORS® MLS · Listing courtesy of One Sotheby's International Realty. 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. IDX information is provided exclusively for consumers’ personal, non-commercial use and may be used only to identify prospective properties they may be interested in purchasing or leasing. Terms of use · Equal Housing Opportunity.