960 Mariner Drive, Key Biscayne, FL 33149

$19,500,000
Property Type: Residential Bedrooms: 6 Baths: 10 Square Footage: 7,742 Status: Active
Current Price: $19,500,000 List Date: 2/11/2025 Last Modified: 6/09/2026

Overview

Description

Discover unparalleled luxury at 960 Mariner Dr, Key Biscayne. This new architectural gem offers over 9,640 SF of living space, 7742 SF under air conditioning, 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.

Supplements: Discover 960 Mariner Dr, a newly built waterfront masterpiece in Key Biscayne, expertly engineered for durability, luxury, and security. Constructed with 126 auger piles, poured concrete and rebar, and concrete slabs extending up to the third-floor terrace and roof, this bunker-like estate is built to last. The elevated first floor sits 11 feet abo ...

Listing Details MLS# A11731927

General Property Information

Property Sub Type
Single Family Residence
Bedrooms Total
6
Bathrooms Total
10
Bathrooms Full
8
Bathrooms Half
2
Living Area Main
7742
Year Built
2025
Carport YN
Yes
Attached Carport YN
Yes
Carport Spaces
3
Covered Spaces
3
Lot Size Area
15381
Lot Size Acres
0.35
Lot Size Dimensions
0.35
Senior Community YN
No
Waterfront YN
Yes
Water Frontage Feet
107
Outdoor Living Spaces YN
Yes
Stories Total
3
Direction Faces
Northeast
Pool Private YN
Yes
Furnished
Unfurnished

Property Features

Dining Area: Breakfast Area; Formal Dining; Kitchen Dining Electric: Circuit Breakers Exterior Features: Built-in Barbecue; Lighting; Outdoor Shower Flooring: Wood Leasing Permitted Details: Okay To Lease Parking Features: Driveway; Electric Vehicle Charging Station(s); Golf Cart Garage; Guest; Attached Carport; Carport Property Condition: New Construction Appliances: Dishwasher; Disposal; Dryer; Free-Standing Freezer; Gas Range; Ice Maker; Microwave; Oven; Refrigerator; Washer Water Heater Details: Electric Water Heater; Gas Water Heater Boat and Dock Features: Electric Available; Lift; No Wake Zone; Overnight; Private Dock; Water Available; Exclusive Use Construction Materials: CBS Cooling: Ceiling Fan(s) Fencing: Fenced Green Energy Efficient: Appliances; Construction; Doors; HVAC; Insulation; Lighting; Thermostat; Water Heater; Windows Green Indoor Air Quality: Ventilation Heating: Electric Interior Features: Closet Cabinetry; Custom Mirrors; Elevator; Entrance Foyer; French Doors; Kitchen Island; Pantry; Storage; Walk-In Closet(s) Laundry Features: Washer Hookup; Dryer Hookup Levels: Three Or More Listing Terms: Cash Other Equipment: Intercom Pets Allowed YN: Yes Pets Allowed: Size Limit Pool Features: Chlorination - Auto; Concrete; Heated; In Ground; Pool Sweep Possession: Close Of Escrow; Negotiable Road Surface Type: Paved Roof: Concrete Security Features: Fire Alarm; Smoke Detector(s) Sewer: Public Sewer Special Information: Flood Zone; Sold As-Is Sprinkler Description: Auto Sprinkler Tax Information: Tax Reflects No Exemptions Utilities: Cable Available; Underground Utilities View: Other Water Access: No Fixed Bridge; Ocean Access Water Source: Public Water View: Bay; Canal; Ocean Waterfront Features: Canal Front; Seawall Showing Requirements: 24 Hour Notice; Alarm System; Call Listing Agent Outdoor Living Spaces: Balcony; Deck; Porch Balcony Details: Balcony - Open Porch Details: Porch - Open Room Types: Den; Family Room; Laundry; Maid/In-Law Quarters Acreage Description: 1/4 To Less Than 1/2 Acre Lot

Contract Information

Comp Sale YN
No
Original List Price
22800000
Occupant Type
Vacant

Location and Legal

Country
United States
County Or Parish
Miami-Dade
County Parish Name
Miami-Dade
Street Number
960
Street Name
Mariner
Street Suffix
Drive
City Name
Key Biscayne
Municipal Code
24
State Or Province
FL
Postal Code
33149
Postal Code +4
2400
Postal Zip
33149
Subdivision Name
CAPE FLA SUB SEC 2
Area
2520
Elementary School
Key Biscayne K-8
Middle Or Junior School
Ponce De Leon
High School
Coral Gables
Special Assessment YN
No
Parcel Number
2452050110100
Subdivision Number
11
Zoning
2000
Flood Zone
AE

Financial Information

Membership Fee Required YN
No
Tax Annual Amount
77861
Tax Year
2024
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

Remarks and Miscellaneous

Public Historical Remarks
Boat Services: Private Dock

More Information

Status Change Information

Major Change Timestamp
2026-06-09T23:12:10Z
Major Change Type
Price Reduced
Price Change Timestamp
2026-06-09T23:12:10Z
Status Change Date
2025-02-10

Entry Information

Entry Level
Yes

Leasing Permitted Details

Leasing Permitted YN
Yes

Boat and Dock Information

Dock
Yes

Ceiling Fan Details

Number Of Ceiling Fans
Yes

Pool Size Details

Pool Size (WxL)
648

Storm Protection

Impact Glass
Complete

Price Calculations

Current Price To SqFt
2518.72

Section Details

Parcel Number MLX
0100

Originating Details

Originating System Key
406187479
Originating System ID
M00000151

Room Information

Room Name
Den
Family Room
Maid/In-Law Quarters
Laundry
IDX
Listing Office: The Corcoran Group
Last Updated: June - 09 - 2026
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