Home in 960 Mariner Dr Key Biscayne for sale with MLS# A11731927

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.

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Days on the market

960 Mariner Dr, Key Biscayne, FL 33149

Price
Price:
$20,300,000.00
Previous Asking Price:
$20,900,000.00
Original List Price:
$22,800,000.00
Property Status and Type
Listing Type:
For Sale
Status:
Active
Special Sale Conditions:
Listed As Is
Listing Category:
Residential
Property Type:
Single Family House
MLS Number:
A11731927
Description of Last Important Update:
Price Change
Last Major Update on:
January 6, 2026 10:21 am
Rooms Distribution
Bedrooms:
6
Bathrooms Total:
10
Full Bath:
8
Half Bath:
2
Room Type:
Laundry, Storage Room, Family Room, Den, Utility Room, In Law Suite
Measures
Living Area:
7,742 Sqft
Lot Area:
15,381 Sqft
Living Area Source:
Plans
Lot Size Unit:
Square Feet
Lot Features:
Sprinklers Automatic, Quarter To Half Acre Lot
Property Features
View from the Property:
Ocean, Canal, Bay, Other
Waterfront:
Yes
Waterfront Features:
Ocean Access, Canal Front, Seawall
Frontage Length:
107
Swimming Pool Features:
Concrete, Heated, Other, Pool, Cleaning System, In Ground, Automatic Chlorination
Security:
Smoke Detector(s)
Furnished:
Unfurnished
Appliances:
Dryer, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Self Cleaning Oven, Freezer, Gas Range, Gas Water Heater, Electric Water Heater, Ice Maker
Interior:
First Floor Entry, Breakfast Area, Dining Area, Pantry, Walk-In Closet(s), Closet Cabinetry, Kitchen Island, Bedroom On Main Level, Entrance Foyer, Custom Mirrors, Elevator, Separate Formal Dining Room, French Doors Atrium Doors, Upper Level Primary, Bidet, Tub Shower, Kitchen Dining Combo, Dual Sinks
Exterior:
Deck, Fence, Balcony, Porch, Lighting, Outdoor Grill, Outdoor Shower, Security High Impact Doors
Patio and Porch:
Deck, Balcony, Open, Porch
Windows:
Impact Glass, Impact glass, Impact Glass
Laundry:
Washer Hookup, Dryer Hookup
Doors:
French Doors
Green Energy Efficient:
Appliances, Hvac, Thermostat, Windows, Water Heater, Roof, Doors, Insulation, Lighting, Construction
Air Conditioning
Air Conditioning System:
Ceiling Fan(s), Electric
Heating
Heating System:
Electric
Property Entrance Faces:
Northeast
Other Equipment:
Intercom
Water Access Description:
Boat Lift, Dock Available, Private Dock, Unrestricted Saltwater Access
Boat Dock Slip:
Dock Available, Dock Owned / Included, Electric Available, Exclusive Use, Lift, No Wake Zone, Overnight, Private Dock, Water Available, Wi-Fi Available
Storm Protection:
Complete Impact Glass, Impact-Resistant Doors
Construction
Year Built:
2025
Year Built Details:
New Construction
Roof:
Concrete
Levels:
Three Or More
Construction Materials:
Block
Flooring:
Wood, Hardwood
Foundation Details:
Raised
Taxes and Expenses
Tax Annual Amount:
$77,861.00
Tax Year:
2024
Property Tax Status:
Tax Reflects No Exemptions
Parking
Garage Spaces:
0
Carport Spaces:
3
Covered Spaces:
3
Parking Features:
Driveway, Guest, Attached Carport, Golf Cart Garage, Electric Vehicle Charging Station(s)
Carport
Utilities
Sewer:
Public Sewer
Utilities Available:
Cable Available, Underground Utilities
Water Source:
Public
Community
Pets Allowed?:
Size Limit (There are size restrictions on allowed pets), Yes
Subdivision Name:
CAPE FLA SUB SEC 2
Community Features:
Street Lights
Senior Community:
No
Development Status:
New Construction
Restrictions:
Okay to Lease
Terms
Disclosures:
Flood Plain Disclosure, Home Warranty
Listing Terms Considered by Seller:
Cash, Conventional
Occupant Type:
Vacant
Buyer Possession:
Close Of Escrow, Closing And Funding
Lease Considered:
No
Zoning and Legal
Tax Legal Description:
5 55 42 CAPE FL SUB SEC 2 PB 70-67 LOT 3 BLK 6 & PROP INT IN & TO WATERWAY LOT SIZE 97.980 X 150 OR 19128-4140 0696 4
Real Estate Folio Number (Parcel Number):
24-52-05-011-0100
Zoning Description:
2000
Public Schools Assigned
Elementary School:
Neptune Elementary
High School:
Mast Academy
Listing History
Originally published on:
February 10, 2025 2:34 pm
Active on the market since:
February 10, 2025
Price change occurred on:
January 6, 2026 10:21 am
Listing Status Last Changed On:
February 10, 2025 12:00 am
Photos updated on:
February 13, 2025 12:55 am
Last Modified:
April 11, 2026 3:34 pm
Additional Information
Housing Older Persons Act:
No HOPA
Flood Zone:
AE
Type of Association:
None
Rooms Description:
Den/Library/Office, Family Room, Maid/In-Law Quarters, Storage Room, Utility Room/Laundry
Style:
WF/Pool/Ocean Access
Num Ceiling Fans:
1
Municipal Code:
24
Subdivision Number:
11
Courtesy of:
The Corcoran Group
Attribution:
Not provided
Road Surface Type:
Paved
Location
Street Name:
Mariner Dr
Street Number:
960
City:
Key Biscayne
State:
Florida
Zip Code:
33149
County:
Miami-Dade
Latitude:
N25° 41' 3.9''
Longitude:
W81° 49' 58.2''
Property Map

Neighborhood Stats

Source: U.S. Census Bureau, ACS 5-Year Estimates

Median Household Income $171,982
Median Home Value $1,231,500
Median Rent $3,501/mo
Median Age 43
Population 14,628

Air Quality

Source: AirNow.gov · Miami

🌬️ Air Quality Index (AQI) 50 Good
☀️ O3 45 Good
🫁 PM2.5 50 Good

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Disclaimer: IDX listing information is presented by Rebonus Brokerage LLC for consumer informational purposes only. The information provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed by the MLS or the real estate broker. This page presents structured listing information sourced directly from the MLS via the RESO Web API feed. Rebonus prioritizes maximum field coverage and data completeness, displaying the most granular MLS-provided attributes available.