Discover unparalleled luxury at 960 Mariner Dr, Key Biscayne. This new architectural gem offers over 9,640 SF of living space on a 15,381 SF lot with 106 feet of water frontage. Featuring 6 bedrooms, 8 baths, and 2 half baths, the open-concept design boasts floor-to-ceiling glass, providing stunning views. A 4-person elevator connects all levels, including a third-floor terrace with 360-degree views of the water and Miami skyline. The chef’s kitchen, resort-style pool, summer kitchen, and private dock with direct Bay access make it perfect for entertaining. Boating enthusiasts will appreciate the ski boat crane. This estate combines modern elegance, privacy, and top-tier amenities in one of Miami’s most exclusive areas.
Property Details
Price:
$20,300,000
MLS #:
A11731927
Status:
Active
Beds:
6
Baths:
9
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
CAPE FLA SUB SEC 2
Neighborhood:
capeflasubsec2
Listed Date:
Feb 10, 2025
Finished Sq Ft:
7,742
Year Built:
2025
See this Listing
Schools
Elementary School:
Keybiscayne
High School:
Mast Academy
Interior
Appliances
Dishwasher, Disposal, Dryer, Electric Water Heater, Free-Standing Freezer, Gas Water Heater, Ice Maker, Microwave, Gas Range, Refrigerator, Self Cleaning Oven, Washer
Bathrooms
8 Full Bathrooms, 2 Half Bathrooms
Cooling
Ceiling Fan(s), Electric
Flooring
Wood
Heating
Electric
Interior Features
First Floor Entry, Closet Cabinetry, Cooking Island, Custom Mirrors, Elevator, Entrance Foyer, French Doors, Pantry, Walk-In Closet(s), Den/Library/Office, Family Room, Maid/In-Law Quarters, Storage, Utility Room/Laundry
Laundry Features
Utility Room/Laundry, Washer/Dryer Hook-Up
Exterior
Architectural Style
Attached, Three Or More Stories
Community Features
Paved Road, Street Lights, Underground Utilities
Construction Materials
CBS Construction, Elevated Construction
Covered Spaces
3
Direction Faces
Northeast
Exterior Features
Built-In Grill, Lighting, Open Balcony, Outdoor Shower
Fencing
Fenced
Green Energy Efficient
Appliances, Construction, Doors, HVAC, Insulation, Lighting, Roof, Thermostat, Ventilation, Water Heater, Windows
Lot Features
1/4 To Less Than 1/2 Acre Lot
New Construction YN
1
Open Parking YN
1
Parking Features
Attached Carport, Driveway, Electric Vehicle Charging Station(s), Golf Cart Parking, Guest
Patio And Porch Features
Deck, Open Balcony, Open Porch
Roof
Concrete
Security Features
Fire Alarm, Smoke Detector
View
Bay, Canal, Ocean, Other
Waterfront Features
Ocean Access, Canal Front, Seawall
Window Features
Complete Impact Glass, High Impact Windows
Financial
Tax Year
2024
Taxes
$77,861
Map
Community
- Address960 Mariner Dr Key Biscayne FL
- SubdivisionCAPE FLA SUB SEC 2
- CityKey Biscayne
- CountyMiami-Dade County
- Zip Code33149
Market Summary
Current real estate data for Single Family in Key Biscayne as of Apr 21, 2026
59
Single Family Listed
173
Avg DOM
2,138
Avg $ / SqFt
$8,928,508
Avg List Price
Property Summary
- Located in the CAPE FLA SUB SEC 2 subdivision, 960 Mariner Dr Key Biscayne FL is a Single Family for sale in Key Biscayne, FL, 33149. It is listed for $20,300,000 and features 6 beds, 9 baths, and has approximately 7,742 square feet of living space, and was originally constructed in 2025. The current price per square foot is $2,622. The average price per square foot for Single Family listings in Key Biscayne is $2,138. The average listing price for Single Family in Key Biscayne is $8,928,508.
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