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.
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.
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:
capeflasubsec2
Listed Date:
Nov 6, 2026
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, Gas Range, Gas Water Heater, Ice Maker, Microwave, Refrigerator, Self Cleaning Oven, Free-Standing Freezer, 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
2025
Taxes
$156,000
Map
Community
- Address960 Mariner Dr Key Biscayne FL
- SubdivisionCAPE FLA SUB SEC 2
- CityKey Biscayne
- CountyMiami-Dade County
- Zip Code33149
Subdivisions in Key Biscayne
- 155 SUNRISE CONDO
- 32 54 42 & 5 55 42,TORPICAL HOMES
- 325 FERNWOOD ROAD CONDO
- 544-548 FERNWOOD CONDO
- 596 Fernwood
- BAHAMA HOUSE SOUTH CONDO
- BAHAMA HOUSE SOUTH CONDO,KEY CASSA
- 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 CLIB CONDO P
- CAPE FLORIDA CLUB CONDO
- CAPE FLORIDA CLUB CONDO P
- CAPE FLORIDA CLUB CONDO PCape Florida Club
- CAPE FLORIDA CLUB CONDO PCAPE FLORIDA CLUB CO
- CAPE FLORIDA SUB SEC 1
- CAPE FLORIDA SUB SEC 3
- CAPE FLORIDA SUB SEC 3,Village Estate
- CASA DEL MAR CONDO
- CASA DEL MAR CONDO,CASA DEL MAR
- CASA DEL MAR CONDOCASA DEL MAR
- CAY POLYNESIA CONDO
- CAY POLYNESIA CONDO,Cay Polynesia
- CLUB TOWER ONE CONDO
- CLUB TOWER ONE CONDO,THE OCEAN CLUB
- CLUB TOWER THREE CONDO
- CLUB TOWER TWO CONDO
- COMMODORE CLUB EAST
- COMMODORE CLUB SOUTH COND
- COMMODORE CLUB SOUTH CONDCommodore Club South
- COMMODORE CLUB WEST CONDO
- COMMODORE CLUB WEST CONDO,COMMODORE CLUB
- COMMODORE CLUB WEST CONDO,COMMODORE CLUB WEST
- COMMODORE CLUB WEST CONDOCommodore Club West
- CRANDON TOWER CONDO
- G B RESORT CONDO HOTEL
- G B VILLAS
- GALEN BREAKERS CONDO
- GALEN BREAKERS CONDOMINIU,Galen Breakers
- GALEN DRIVE CONDO APTS
- GDNS OF KEY BISC-ALHAMBRA
- GOVERNORS LODGE ASSOC CON
- GRAND BAY RESIDENCES COND
- GRAND BAY RESIDENCES COND,GRAND BAY
- GRAND BAY RESIDENCES CONDGrand Bay
- GRAND BAY RESIDENCES CONDGRAND BAY RESIDENCES
- GRAND BAY TOWER CONDO
- GRAND BAY TOWER CONDOGrand Bay
- GRAND BAY TOWER CONDOGRAND BAY RESORT AND
- 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 COMMODORE CL
- KEY BISCAYNE COMMODORE CL,KEY BISCAYNE COMMODO
- KEY BISCAYNE COMMODORE CLCOMMODORE CLUB EAST
- KEY BISCAYNE ONE HUNDRED
- KEY BISCAYNE VI CONDO
- KEY BISCAYNE VI CONDOKEY BISCAYNE VI COND
- KEY BISCAYNES COMMODORE C
- KEY COLONY
- KEY COLONY NO 1
- KEY COLONY NO 1,KEY COLONY
- KEY COLONY NO 1Key Colony
- KEY COLONY NO 1Tidemark
- KEY COLONY NO 2 CONDO
- KEY COLONY NO 2 CONDO,KEY COLONY NO 2 COND
- KEY COLONY NO 2 CONDOKey Colony
- KEY COLONY NO 2 CONDOKEY COLONY NO 2 COND
- KEY COLONY NO 2 CONDOKEY COLONY OCEANSOUN
- KEY COLONY NO 4 CONDO
- KEY COLONY NO 4 CONDO,KEY COLONY NO 4 COND
- KEY COLONY NO 4 CONDOKEY COLONY CONDO #4
- KEY COLONY NO 4 CONDOKEY COLONY NO 4 CO
- KEY ISLANDER CONDO
- Key Islander CondominiumKey Islander Condomi
- LAKE TOWER CONDO
- LAKE TOWER CONDO,Lake Tower
- LAKE TOWER CONDOThe Ocean Club
- LAKE VILLA ONE CONDO,The Ocean Club
- LAKE VILLA THREE CONDO
- LAKE VILLA TWO CONDO
- LAKE VILLA TWO CONDOThe Ocean Club
- LE PHARE KEY BISCAYNE CON
- MAR-AZUL CONDO
- MASHTA ISLAND
- MASHTA ISLAND A REPLAT OF
- MASHTA POINT SUB
- MATHESON ESTATES,MATHESON STATES
- OCEAN LANE PLAZA CONDO
- OCEAN LANE PLAZA CONDO,OCEAN LANE PLAZA CON
- OCEAN TOWER ONE CONDO
- OCEAN TOWER ONE CONDOOCEAN TOWER ONE COND
- OCEAN TOWER TWO CONDO
- OCEAN TOWER TWO CONDO,THE OCEAN CLUB
- OCEAN VILLAGE CONDO
- OCEANA KEY BISCAYNE CONDO
- OCEANA KEY BISCAYNE CONDO,OCEANA KEY BISCAYNE
- OCEANA KEY BISCAYNE CONDOOCEANA KB
- OCEANA KEY BISCAYNE CONDOOCEANA KEY BISCAYNE
- RESORT VILLA ONE CONDO,RESORT VILLA ONE CON
- RESORT VILLA ONE CONDORESORT VILLA ONE
- RESORT VILLA TWO CONDO
- RESORT VILLA TWO CONDOTHE OCEAN CLUB
- SANDS OF KEY BISCAYNE CON
- SANDS OF KEY BISCAYNE CON,SANDS OF KEY BISCAYN
- SMUGGLERS COVE
- SOLIMAR CONDO OF KEY BISC
- SUNRISE CLUB CONDO
- SUNRISE CLUB CONDO,100 SUNRISE
- SUNRISE MANOR CONDO
- THE EMERALD BAY
- THE EMERALDBAY @ KEY COLO
- THE EMERALDBAY @ KEY COLO,KEY COLONY
- THE EMERALDBAY @ KEY COLOKEY COLONY
- THE EMERALDBAY @ KEY COLON,KEY COLONY
- THE EMERALDBAY @ KEY COLOTHE EMERALD BAY
- THE EMERALDBAY @ KEY COLOTHE EMERALDBAY @ KEY
- THE EMERALDBAY @KEY COLONY,THE EMERALDBAY
- THE PALMS OF KEY BISCAYNE
- THE PALMS OF KEY BISCAYNE,The palms of keybis.
- THE PALMS OF KEY BISCAYNEPalms of Key Biscayn
- THE PYRAMIDS @ KEY BISCAY
- TOWERS OF KEY BISCAYNE CO
- TOWERS OF KEY BISCAYNE CO,The Towers of Key Bi
- TOWERS OF KEY BISCAYNE CO,TOWERS OF KEY BISCAY
- TOWERS OF KEY BISCAYNE COTOWERS OF KEY BISCAY
- 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 ISLE HOMES SUB 4,KEY COLONY
- TROPICAL ISLES HOMESTROPICAL ISLE HOMES
Market Summary
Current real estate data for Single Family in Key Biscayne as of Nov 06, 2026
42
Single Family Listed
160
Avg DOM
2,654
Avg $ / SqFt
$14,770,881
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 $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 $2,654. The average listing price for Single Family in Key Biscayne is $14,770,881. To schedule a showing of MLS#a12119438 at 960 Mariner Dr in Key Biscayne, FL, contact your Julien Drieu agent at 7862380927.
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