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960 Mariner Drive, Key Biscayne, FL 33149

New Listing
$19,450,000
Property Type: Residential Bedrooms: 6 Baths: 10 Square Footage: 7,742 Status: Active
Current Price: $19,450,000 List Date: 11/06/2026 Last Modified: 11/06/2026

Description

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.

More Information MLS# A12119438

Contract Information

Comp Sale YN: No Occupant Type: Vacant Listing Date: 2026-11-06 Status: Active Original List Price: 19450000 List Price: $19,450,000 Current Price: $19,450,000

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

Estimated Monthly Assoc Recurring Fee: 0 Membership Fee Required YN: No Tax Annual Amount: 156000 Tax Year: 2025 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

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 Conventional: 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

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: 2512.27

Section Details

Parcel Number MLX: 0100

Acreage Description

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

Status Change Information

Major Change Timestamp: 2026-11-06T05:00:00Z Major Change Type: New Listing Status Change Date: 2026-11-06

Originating Details

Originating System Key: 570081822 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; Conventional Other Equipment: Intercom Pets Allowed YN: Yes 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: November - 06 - 2026
960 Mariner Drive, Key Biscayne, FL 33149- MLS# A12119438
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