Discover refined waterfront living at 960 Mariner Drive in Key Biscayne. This newly completed 2025 estate offers approximately 9,640 square feet of total living space (7,742 square feet under air) on a 15,381-square-foot lot with 106 feet of private water frontage.The open-concept design features floor-to-ceiling glass, a chef’s kitchen, and seamless indoor-outdoor flow. A private 4-person elevator connects all levels, including a third-floor terrace with 360-degree views of the water and Miami skyline. Outside, a resort-style pool, summer kitchen, and private dock with ski-boat crane and direct Bay access create an exceptional setting for entertaining.Thoughtfully designed for privacy, quality, and effortless coastal living, this turnkey residence represents a rare opportunity to own one of Key Biscayne’s finest new waterfront properties.
Listing Provided Courtesy of The Corcoran Group at 305-395-4982
Property Details
Price:
$19,450,000
MLS #:
A12119438
Status:
Active
Beds:
6
Baths:
9
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
CAPE FLA SUB SEC 2
Neighborhood:
2520
Listed Date:
Nov 6, 2026
Finished Sq Ft:
7,742
Lot Size:
669,996,360 sqft / 0.35 acres (approx)
Year Built:
2025
See this Listing
Schools
Elementary School:
Key Biscayne K-8
Middle School:
Ponce De Leon
High School:
Coral Gables
Interior
Appliances
Gas Water Heater, Electric Water Heater, Dishwasher, Disposal, Dryer, Free-Standing Freezer, Gas Range, Ice Maker, Microwave, Oven, Refrigerator, Washer
Bathrooms
8 Full Bathrooms, 2 Half Bathrooms
Cooling
Ceiling Fan(s), Electric
Flooring
Wood
Heating
Electric
Interior Features
Closet Cabinetry, Custom Mirrors, Elevator, Entrance Foyer, Kitchen Island, Pantry, Storage, Walk-In Closet(s)
Laundry Features
Washer Hookup, Dryer Hookup
Levels
Three Or More
Exterior
Association Amenities
Street Lights
Construction Materials
CBS
Covered Spaces
3
Direction Faces
Northeast
Exterior Features
Balcony, Built-in Barbecue, Lighting, Outdoor Shower
Fencing
Fenced
Green Energy Efficient
Appliances, Construction, Doors, HVAC, Insulation, Lighting, Roof, Thermostat, Water Heater, Windows
New Construction YN
1
Parking Features
Attached Carport, Carport, Driveway, Electric Vehicle Charging Station(s), Golf Cart Garage, Guest
Patio And Porch Features
Porch – Open, Porch, Deck
Roof
Concrete
Security Features
Fire Alarm, Smoke Detector(s)
View
Ocean, Canal, Bay, Other
Waterfront Features
No Fixed Bridge, Ocean Access, Canal Front, Seawall
Financial
Tax Year
2025
Taxes
$156,000
Map
Community
- Address960 Mariner Drive Key Biscayne FL
- SubdivisionCAPE FLA SUB SEC 2
- CityKey Biscayne
- CountyMiami-Dade
- Zip Code33149
Subdivisions in Key Biscayne
- 155 SUNRISE CONDO
- 32 54 42 & 5 55 42
- 325 FERNWOOD ROAD CONDO
- 544-548 FERNWOOD CONDO
- 596 Fernwood
- BAHAMA HOUSE SOUTH CONDO
- BAHIA MAR CONDO OF KEY BI
- BISCAYNE KEY ESTATES
- BISCAYNE KEY ESTATES SUB
- BLUE PELICAN CONDO
- CAPE FLA CLUB CONDO CLUST
- CAPE FLA SUB SEC 2
- CAPE FLORIDA CLUB CONDO
- CAPE FLORIDA CLUB CONDO P
- CAPE FLORIDA SUB SEC 1
- CAPE FLORIDA SUB SEC 3
- CASA DEL MAR CONDO
- CAY POLYNESIA CONDO
- CLUB TOWER ONE CONDO
- CLUB TOWER THREE CONDO
- CLUB TOWER TWO CONDO
- Commodore Club East
- COMMODORE CLUB SOUTH COND
- COMMODORE CLUB WEST CONDO
- CRANDON TOWER CONDO
- G B RESORT CONDO HOTEL
- G B VILLAS
- GALEN BREAKERS CONDO
- GALEN BREAKERS CONDOMINIU
- GALEN DRIVE CONDO APTS
- GALEN DRIVE WEST CONDOMINIUM
- GARDENS OF KEY BISCAYNE
- GDNS OF KEY BISC-ALHAMBRA
- GOVERNORS LODGE ASSOC CON
- GRAND BAY RESIDENCES COND
- GRAND BAY TOWER CONDO
- GRAND KEY ESTATES
- GRAPETREE TOWNHOUSE CONDO
- HOLIDAY COLONY
- HURRICANE COVE
- INDIES CONDO
- ISLAND BREAKERS CONDO
- ISLAND HOUSE
- ISLAND HOUSE APT INC – CO
- KEY BISC AMBASSADOR CONDO
- Key Biscayne
- KEY BISCAYNE COMMODORE CL
- KEY BISCAYNE COMMODORE CLUB
- KEY BISCAYNE VI CONDO
- KEY BISCAYNES COMMODORE C
- KEY COLONY
- KEY COLONY NO 1
- KEY COLONY NO 2 CONDO
- KEY COLONY NO 4 CONDO
- KEY ISLANDER CONDO
- Key Islander Condominium
- LAKE TOWER CONDO
- LAKE VILLA ONE CONDO
- LAKE VILLA THREE CONDO
- LAKE VILLA TWO CONDO
- LE PHARE KEY BISCAYNE CON
- MAR-AZUL CONDO
- MASHTA ISLAND
- MASHTA ISLAND A REPLAT OF
- MASHTA POINT SUB
- MATHESON ESTATES
- OCEAN LANE PLAZA CONDO
- OCEAN TOWER ONE CONDO
- OCEAN TOWER TWO CONDO
- OCEAN VILLAGE CONDO
- OCEANA KEY BISCAYNE CONDO
- RESORT VILLA ONE CONDO
- RESORT VILLA TWO CONDO
- SANDS OF KEY BISCAYNE CON
- SMUGGLERS COVE
- SOLIMAR CONDO OF KEY BISC
- SUNRISE CLUB CONDO
- SUNRISE MANOR CONDO
- THE EMERALD BAY
- THE EMERALDBAY @ KEY COLO
- THE PALMS OF KEY BISCAYNE
- THE PYRAMIDS @ KEY BISCAY
- TOWERS OF KEY BISCAYNE CO
- TROPICAL ISLE HOMES RESUB
- TROPICAL ISLE HOMES SUB
- TROPICAL ISLE HOMES SUB 1
- TROPICAL ISLE HOMES SUB 2N
- TROPICAL ISLE HOMES SUB 3
- TROPICAL ISLE HOMES SUB 4
- TROPICAL ISLES HOMES
Market Summary
Current real estate data for Single Family in Key Biscayne as of Nov 09, 2026
44
Single Family Listed
147
Avg DOM
2,748
Avg $ / SqFt
$14,631,273
Avg List Price
Property Summary
- Located in the CAPE FLA SUB SEC 2 subdivision, 960 Mariner Drive Key Biscayne FL is a Single Family for sale in Key Biscayne, FL, 33149. It is listed for $19,450,000 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 $2,512. The average price per square foot for Single Family listings in Key Biscayne is $2,748. The average listing price for Single Family in Key Biscayne is $14,631,273.
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