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
Subdivisions in Key Biscayne
- 101 CONDOMINIUM
- 150 SUNRISE DRIVE CONDO
- 155 SUNRISE CONDO
- 544-548 FERNWOOD CONDO
- BAHAMA HOUSE CONDO,Bahama House
- BAHAMA HOUSE SOUTH CONDO
- BAHAMA HOUSE SOUTH CONDO,KEY CASSA
- BAHIA MAR CONDO OF KEY BI
- Beach Haus Key Biscayne,Beach Haus
- BISC KEY ESTATES
- BISCAYNE KEY ESTATES
- BLUE PELICAN CONDO
- CAPE FLA CLUB CONDO CLUST
- CAPE FLA SUB SEC 2
- CAPE FLORIDA CLIB CONDO P
- CAPE FLORIDA CLUB CONDO P
- CAPE FLORIDA SUB SEC 1
- CAPE FLORIDA SUB SEC 3
- CAPE FLORIDA SUB SEC 3,Village Estate
- CASA DEL MAR
- CASA DEL MAR CONDO
- CAY POLYNESIA CONDO
- CLUB TOWER ONE CONDO
- CLUB TOWER THREE CONDO
- CLUB TOWER THREE CONDO,CLUB TOWER THREE CON
- CLUB TOWER TWO CONDO
- commodore club
- COMMODORE CLUB SOUTH COND
- COMMODORE CLUB SOUTH COND,COMMODORE
- COMMODORE CLUB SOUTH COND,COMMODORE CLUB SOUTH
- Commodore Club South Condo
- COMMODORE CLUB WEST CONDO
- COMMODORE CLUB WEST CONDO,COMMODORE CLUB
- CRANDON TOWER CONDO
- G B RESORT CONDO HOTEL
- G B Resort Condo Hotel,Ritz Carlton
- G B VILLAS
- GALEN 250 CONDO
- GALEN DRIVE CONDO APTS
- GALEN DRIVE WEST CONDOMIN
- GRAND BAY RESIDENCES COND
- GRAND BAY RESIDENCES COND,GRAND BAY
- GRAND BAY TOWER CONDO
- GRAND BAY TOWER CONDO,GRAND BAY
- GRAND BAY TOWER CONDO,GRAND BAY TOWER COND
- GRAPETREE TOWNHOUSE CONDO
- HOLIDAY COLONY
- INDIES CONDO
- ISLAND BREAKERS CONDO
- ISLAND HOUSE
- ISLAND HOUSE APT INC – CO
- KEY BISC AMBASSADOR CONDO
- KEY BISC AMBASSADOR CONDO,Key Biscayne Ambassa
- Key Biscayne Ambassador Co
- KEY BISCAYNE COMMODORE CL
- KEY BISCAYNE COMMODORE CL,Commodore
- KEY BISCAYNE ONE HUNDRED
- KEY BISCAYNE VI CONDO
- KEY BISCAYNE VI CONDO,KEY BISCAYNE VI COND
- KEY BISCAYNE VI CONDO,KEY BISCAYNE VICONDO
- KEY BISCAYNES COMMODORE C
- Key Cassa
- KEY COLONY
- KEY COLONY CONDO #4,KEY COLONY CONDO 4
- Key Colony Condo 01,KEY COLONY NO 1
- Key Colony I
- KEY COLONY NO 1
- KEY COLONY NO 1,KEY COLONY
- Key Colony No 1,Key Colony-Tidemark
- KEY COLONY NO 1,Tidemark
- KEY COLONY NO 1,TIDEMARK KEY COLONY
- Key Colony No 2
- KEY COLONY NO 2 CONDO
- KEY COLONY NO 2 CONDO,KEY COLONY NO 2 COND
- KEY COLONY NO 2 CONDO,Oceansoun
- KEY COLONY NO 4 CONDO
- KEY COLONY NO 4 CONDO,Key Colony
- KEY COLONY NO 4 CONDO,Key Colony Botanica
- KEY COLONY NO 4 CONDO,KEY COLONY NO 4 COND
- KEY ISLANDER CONDO
- Key Islander Condo,Key Islander condo
- LAKE TOWER CONDO
- LAKE VILLA ONE CONDO
- LAKE VILLA ONE CONDO,The Ocean Club
- LAKE VILLA THREE CONDO
- LAKE VILLA TWO CONDO
- Le Phare Condo,Le phare
- LE PHARE KEY BISCAYNE CON
- LE PHARE KEY BISCAYNE CON,Le Phare
- LE PHARE KEY BISCAYNE CON,LE PHARE KEY BISCAYN
- MAR-AZUL CONDO
- MASHTA ISLAND
- MASHTA ISLAND A REPLAT OF
- MATHESON ESTATES
- MATHESON ESTATES,MATHESON STATES
- NORTH SUNRISE INC CONDO
- OCEAN LANE PLAZA CONDO
- Ocean Tower 2,Ocean Club
- OCEAN TOWER ONE CONDO
- OCEAN TOWER ONE CONDO
- OCEAN TOWER ONE CONDO,Ocean Club
- OCEAN TOWER ONE CONDO,OCEAN TOWER ONE COND
- OCEAN TOWER TWO CONDO
- OCEAN TOWER TWO CONDO,OCEAN TOWER TWO COND
- OCEAN VILLAGE CONDO
- OCEAN VILLAGE CONDO,OCEAN VILLAGE
- OCEAN VILLAGE CONDO,Ocean Village Condo
- Oceana Key Biscayne
- OCEANA KEY BISCAYNE CONDO
- OCEANA KEY BISCAYNE CONDO,OCEANA
- OCEANA KEY BISCAYNE CONDO,OCEANA KEY BISCAYNE
- Oceansound Phase II
- RESORT VILLA ONE CONDO
- RESORT VILLA ONE CONDO,Resort Villa One
- RESORT VILLA ONE CONDO,RESORT VILLA ONE CON
- RESORT VILLA TWO CONDO
- SANDS OF KEY BISCAYNE CON
- SANDS OF KEY BISCAYNE CON,SANDS OF KEY BISCAYN
- SANDS OF KEY BISCAYNE,SANDS OF KEY BISCAYN
- SMUGGLERS COVE
- SOLIMAR CONDO OF KEY BISC
- SOLIMAR CONDO OF KEY BISC,SOLIMAR CONDO
- SUNRISE CLUB CONDO
- SUNRISE CLUB CONDO,100 SUNRISE
- SUNRISE MANOR CONDO
- THE EMERALD BAY
- THE EMERALD BAY Key Colony
- THE EMERALDBAY
- THE EMERALDBAY @ KEY COLO
- THE EMERALDBAY @ KEY COLO,KEY COLONY
- THE EMERALDBAY @ KEY COLO,THE EMERALD BAY
- THE EMERALDBAY @ KEY COLON
- THE EMERALDBAY KEY COLONY
- The Ocean Club
- THE PALMS OF KEY BISCAYNE
- THE PYRAMIDS @ KEY BISCAY
- TIDEMARK KEY COLONY NO 1,Key Colony
- Tidemark,Key Colony
- 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 CON
- TROPICAL ISLE HOMES SUB
- TROPICAL ISLE HOMES SUB 1
- TROPICAL ISLE HOMES SUB 2N
- TROPICAL ISLE HOMES SUB 3
- TROPICAL ISLE HOMES SUB 3,TROPICAL ISLE HOMES
- TROPICAL ISLE HOMES SUB 4
- VILLAHARBOUR APTS CONDO
Market Summary
Current real estate data for Single Family in Key Biscayne as of Apr 27, 2026
57
Single Family Listed
172
Avg DOM
2,158
Avg $ / SqFt
$9,111,877
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 $2,158. The average listing price for Single Family in Key Biscayne is $9,111,877. To schedule a showing of MLS#a11731927 at 960 Mariner Dr in Key Biscayne, FL, contact your CENTURY 21 Carioti agent at 2392986550.
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