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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

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 above sea level, ensuring long-term resilience and peace of mind. A 4-person elevator provides seamless access to all levels, enhancing convenience and accessibility. VIDEO: https://youtu.be/TjzhKgnBr7oDesigned for state-of-the-art living, this smart home integrates Crestron automation, allowing seamless control of lighting, climate, security, and entertainment. The Flow by Moen water and plumbing monitoring system provides proactive leak detection, while commercial-grade electrical service with a dedicated FPL transformer ensures uninterrupted power supply. For boating enthusiasts, a Marine Guard system safeguards electric connections at the private dock, offering direct Biscayne Bay access, and a ski boat crane adds another layer of convenience for watercraft storage and launching.The resort-style outdoor oasis features an infinity-edge pool, a Pentair pool system with heater and lighting control, a pool drain well, and a fully equipped summer kitchen, perfect for waterfront entertaining. Security and convenience are prioritized with a commercial fire alarm system, CCTV surveillance, an electric car charger, and multiple indoor and outdoor storage areas.Inside, the residence boasts bespoke finishes, Italian cabinetry, and expansive living spaces bathed in natural light. The third-floor terrace provides 360-degree panoramic views of Biscayne Bay and the Downtown Miami skyline, creating an unforgettable backdrop for sunrise and sunset.With unparalleled craftsmanship, cutting-edge technology, and world-class amenities, 960 Mariner Dr is more than a home it is a fortress of modern luxury, offering the ultimate waterfront lifestyle in one of Miami’s most exclusive enclaves.

More Information MLS# A11731927

Contract Information

Comp Sale YN: No Occupant Type: Vacant Listing Date: 2025-02-10 Status: Active Original List Price: 22800000 List Price: $19,500,000 Current Price: $19,500,000

Location and Legal

County Or Parish: Miami-Dade County Parish Name: Miami-Dade City Name: Key Biscayne Municipal Code: 24 Postal Zip: 33149 Subdivision Number: 11 Special Assessment YN: No Flood Zone: AE Country: United States Street Number: 960 Street Name: Mariner Street Suffix: Drive State Or Province: FL Postal Code: 33149 Postal Code +4: 2400 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 Parcel Number: 2452050110100 Zoning: 2000

General Property Information

Living Area Main: 7742 Lot Size Dimensions: 0.35 Attached Carport YN: Yes Lot Size Area: 15381 Water Frontage Feet: 107 Senior Community YN: No Outdoor Living Spaces YN: Yes Furnished: Unfurnished Stories Total: 3 Pool Private YN: Yes Property Sub Type: Single Family Residence Bedrooms Total: 6 Bathrooms Total: 10 Bathrooms Full: 8 Bathrooms Half: 2 Year Built: 2025 Carport YN: 1 Carport Spaces: 3 Covered Spaces: 3 Lot Size Acres: 0.35 Waterfront YN: 1 Direction Faces: Northeast

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

Office/Member Information

DXORIGMLSID: SEF

Amenities

Street Lights: 1

Dining Area

Breakfast Area: 1 Formal Dining: 1 Kitchen Dining: 1

Electric

Circuit Breakers: 1

Entry Information

Entry Level: 1

Exterior Features

Built-in Barbecue: 1 Lighting: 1 Outdoor Shower: 1

Flooring

Wood: 1

Leasing Permitted Details

Leasing Permitted YN: Yes Okay To Lease: 1

Parking Features

Driveway: 1 Electric Vehicle Charging Station(s): 1 Guest: 1 Golf Cart Garage: 1 Attached Carport: 1 Carport: 1

Property Condition

New Construction: 1

Fencing

Fenced: 1

Possession

Close Of Escrow: 1 Negotiable: 1

Sewer

Public Sewer: 1

Special Information

Flood Zone: 1 Sold As-Is: 1

Utilities

Cable Available: 1 Underground Utilities: 1

View

Other: 1

Heating

Electric: 1

Sprinkler Description

Auto Sprinkler: 1

Water Access

No Fixed Bridge: 1 Ocean Access: 1

Water View

Bay: 1 Canal: 1 Ocean: 1

Appliances

Dishwasher: 1 Disposal: 1 Dryer: 1 Free-Standing Freezer: 1 Gas Range: 1 Ice Maker: 1 Microwave: 1 Oven: 1 Refrigerator: 1 Washer: 1

Construction Materials

CBS: 1

Green Energy Efficient

Appliances: 1 Construction: 1 Doors: 1 HVAC: 1 Insulation: 1 Lighting: 1 Roof: 1 Thermostat: 1 Water Heater: 1 Windows: 1

Green Indoor Air Quality

Ventilation: 1

Interior Features

Closet Cabinetry: 1 Custom Mirrors: 1 Elevator: 1 Entrance Foyer: 1 French Doors: 1 Kitchen Island: 1 Pantry: 1 Storage: 1 Walk-In Closet(s): 1

Laundry Features

Washer Hookup: 1 Dryer Hookup: 1

Levels

Three Or More: 1

Listing Terms

Cash: 1

Other Equipment

Intercom: 1

Pool Features

Chlorination - Auto: 1 Concrete: 1 Heated: 1 In Ground: 1 Pool Sweep: 1

Road Surface Type

Paved: 1

Roof

Concrete: 1

Security Features

Fire Alarm: 1 Smoke Detector(s): 1

Water Source

Public: 1

Waterfront Features

Canal Front: 1 Seawall: 1

Water Heater Details

Electric Water Heater: 1 Gas Water Heater: 1

Boat and Dock Information

Dock: Yes

Boat and Dock Features

Electric Available: 1 Lift: 1 No Wake Zone: 1 Overnight: 1 Private Dock: 1 Water Available: 1 Exclusive Use: 1

Cooling

Ceiling Fan(s): 1 Electric: 1

Ceiling Fan Details

Number Of Ceiling Fans: 1

Showing Requirements

24 Hour Notice: 1 Alarm System: 1 Call Listing Agent: 1

Master Bedroom/Bath

Bidet: 1 Combo Tub/Shower: 1 Dual Sinks: 1 Master Bdrm - Ground: 1 Master Bdrm - Upstairs: 1

Pets Allowed YN

Yes: 1

Pets Allowed

Size Limit: 1

Pool Size Details

Pool Size (WxL): 648

Storm Protection

Impact Glass: Complete

Tax Information

Tax Reflects No Exemptions: 1

Outdoor Living Spaces

Balcony: 1 Deck: 1 Porch: 1

Balcony Details

Balcony - Open: 1

Porch Details

Porch - Open: 1

Room Types

Den: 1 Family Room: 1 Laundry: 1 Maid/In-Law Quarters: 1

Price Calculations

Current Price To SqFt: 2518.72

Section Details

Parcel Number MLX: 0100

Acreage Description

1/4 To Less Than 1/2 Acre Lot: 1

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

Originating Details

Originating System Key: 406187479 Originating System ID: M00000151

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

Room Information

Den Family Room Maid/In-Law Quarters Laundry
Listing Office: The Corcoran Group
Last Updated: June - 09 - 2026
960 Mariner Drive, Key Biscayne, FL 33149- MLS# A11731927
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