960 Mariner Dr Key Biscayne, FL $ 19,450,000
960 Mariner Dr
$ 19,450,000
Recently Listed New Construction
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960 Mariner Dr

Key Biscayne, FL, 33149
$ 19,450,000
Bedrooms6 Baths8.2 Sq 7,742

Monthly Estimate*

$ 134,336

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Single Family Home for sale in Key Biscayne, FL

for $19,450,000 with 6 bedrooms and 8 full baths, 2 half baths. This 7,742 square foot home was built in 2025.

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.

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Single Family Active

Price

$ 19,450,000

Bedrooms

6

Full Bath

8

Half Bath

2

Property Type

Single Family

Taxes

$ 156,000

Style

Year Built

2025

Town/City

Key Biscayne

County/Region

Miami-Dade

MLS | Web ID

A12119438

Features
General
Sewer Public Sewer
Heating Electric
Cooling Ceiling Fan(s) Electric
Utilities Cable Available Underground Utilities
Possession Closing & Funding Close Of Escrow
Roof Concrete
Appliances Dryer Dishwasher Electric Water Heater Freezer Disposal Gas Range Gas Water Heater Ice Maker Microwave Refrigerator Self Cleaning Oven Washer
Development Status New Construction
Garage Spaces 0
Patio/Porch Features Balcony Deck Open Porch
Pool Features Automatic Chlorination Concrete Cleaning System Heated In Ground Other Pool
Security Features Smoke Detector(s)
Restrictions OK To Lease
Construction Materials CBS (Concrete Block Structure) Block
Pets Allowed Cats OK Dogs OK Yes
Year Built 2025
View Bay Canal Ocean Other
Levels Three Or More
Property Subtype Single Family Residence
Tax Year 2025
Waterfront Features Canal Front Ocean Access Seawall
Community Features Street Lights
County Miami-Dade
New Construction true
Property Type Residential
Energy Efficient Appliances Construction Doors HVAC Insulation Lighting Roof Thermostat Water Heater Windows
Subdivision Name CAPE FLA SUB SEC 2
Facing Direction Northeast
Garage Y/N false
Green Indoor Air Quality Ventilation
Total Rooms 0
Full Baths 8
Special Listing Conditions Listed As-Is
Status Active
High School Mast Academy
City Key Biscayne
Disclosures Flood Plain Disclosure
Senior Community Y/N false
Zoning Description 2000
MLS Area 52
Lot Size Units Square Feet
Lot Size Square Feet 15381
Carport Spaces 3
Carport Y/N true
Listing Terms Cash Conventional
Elementary School Keybiscayne
Year Built Details New Construction
Tax Annual Amount 156000
Lease Considered Y/N false
Virtual Tour https://youtu.be/ZMgPPYBC7x8
Standard Status Active
Occupancy Type Vacant
Property Sub Type Additional Single Family Residence
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
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Interior
Interior Amenities Bidet Bedroom on Main Level Breakfast Area Closet Cabinetry Dining Area Separate/Formal Dining Room Dual Sinks Entrance Foyer French Door(s)/Atrium Door(s) First Floor Entry Kitchen Island Kitchen/Dining Combo Custom Mirrors Pantry Tub Shower Upper Level Primary Walk-In Closet(s) Elevator
Flooring Hardwood Porcelain Tile Wood
Furnished Y/N Unfurnished
Air Conditioning Y/N true
Heating Y/N true
Window Features Impact Glass
Half Baths 2
Laundry Features Washer Hookup Dryer Hookup
Total Bedrooms 6
Total Baths 10
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Exterior
Exterior Amenities Balcony Deck Fence Lighting Outdoor Grill Outdoor Shower Porch Security/High Impact Doors
Parking Features Attached Carport Driveway Electric Vehicle Charging Station(s) Golf Cart Garage Guest
Lot Features Flood Zone 1/4 to 1/2 Acre Lot Sprinklers Automatic
Water Source Public
Lot Size Area 15381
Foundation Details Raised
Spa false
Building Area Total 0
Road Surface Type Paved
Frontage Length 107
Private Pool true
Waterfront Y/N true
Covered Spaces 3
Door Features French Doors
Other Equipment Intercom
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* Excluded Features
List By
The Corcoran Group

Broker

fneriproperties@protonmail.com

Email

Affordability Calculator

$147,336
Per Month
91%
9%
0%
Monthly Principal & Interest
$134,336
Monthly Property Taxes
$13,000
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 7.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
4808084 Elementary School
315003 Middle School
Mast Academy High School High School
Pricing History
DatePricePrice ChangeDescription
11/6/2026$19,450,000 Listed Price

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960 Mariner Dr, Key Biscayne, FL, 33149 is a Single Family Home for sale at $19,450,000 with 7,742 sqft. 960 Mariner Dr has 6 bedrooms, 8.2 baths, and was built in 2025. The property's zip code is 33149 which is in Key Biscayne, FL