1080 Mariner Drive, Key Biscayne, FL 33149

New Listing

$19,750,000

Modern residence featuring a concrete exterior, floor-to-ceiling glass windows, stone cladding, and a concrete paver walkway

Virtual Tour

https://www.propertypanorama.com/instaview/mia/A12117649

Modern architectural exterior featuring smooth stone facade, vertical wood-slat siding, expansive glass paneling, tiered stone stairs with recessed lighting, and a paved courtyard with integrated dark stone inlay

Modern architectural exterior featuring expansive glass curtain walls, horizontal slat cladding, smooth stone facade panels, and a tiered concrete paver walkway

Modern architectural facade featuring smooth stone exterior walls, extensive floor-to-ceiling glass windows, and a paved stone walkway leading to the entry

Waterfront swimming pool with an integrated tanning ledge, expansive wood-finish decking, tiered stone staircases, and recessed architectural lighting

Modern waterfront estate featuring a linear lap pool, wood-plank decking, stone terrace steps, floor-to-ceiling glass wall systems, and a wood-paneled ceiling overhang

Contemporary waterfront exterior featuring a multi-level swimming pool with stone-tiled steps, a wood-finish deck, floor-to-ceiling glass sliding doors, and integrated recessed lighting

Modern architectural exterior featuring expansive glass wall panels, a wood-paneled balcony ceiling, multiple tiers of stone steps, and a swimming pool with integrated wood decking

Waterfront residence featuring a private wooden dock, concrete swimming pool, manicured lawn, and multi-level structural exterior

Modern waterfront residence featuring floor-to-ceiling glass walls, a private wooden dock, and a rectangular inground swimming pool situated on a manicured lawn

Covered patio featuring natural stone flooring, recessed ceiling lighting, and a ceiling fan, opening to a rectangular swimming pool with a wood-plank deck and waterfront bulkhead

Modern two-story architectural exterior featuring stone masonry, wood-panel siding, floor-to-ceiling glass windows, and a paved stone driveway

Modern architectural exterior featuring expansive glass windows, warm-toned vertical wood-slat siding, large-format stone wall cladding, tiered steps with synthetic turf inlay, and a paved courtyard with gravel-accented geometric concrete patterns

Large-format stone tile flooring, expansive floor-to-ceiling multi-panel glass doors, structural wall finished with oversized stone cladding, and recessed linear track lighting

Double-height ceilings, floor-to-ceiling glass wall, large-format tile flooring, and recessed architectural lighting

Open-concept interior featuring large-format tile flooring, a prominent stone-clad accent wall, floor-to-ceiling glass wall panels, a wood-tread floating staircase with glass railings, and a mezzanine level with glass balustrades

Expansive living area featuring floor-to-ceiling black-frame glass windows, natural stone feature wall, polished concrete flooring, built-in wooden cabinetry, and recessed linear lighting

Full-height black-framed glass sliding wall panels, expansive neutral-toned floor tile, modern multi-arm linear pendant light fixture, and recessed ceiling lighting

Open-concept interior featuring floor-to-ceiling glass panel walls, large-format tile flooring, a stone feature wall, and recessed linear lighting

Open-concept interior featuring large-format tile flooring, recessed ceiling lighting, a modern spherical pendant fixture, and expansive floor-to-ceiling sliding glass doors

Covered outdoor patio featuring large-format tile flooring, recessed ceiling lighting, a ceiling fan, and a built-in outdoor kitchen with a stainless steel range hood and grill

Covered outdoor terrace featuring large-format stone flooring, a built-in stainless steel outdoor kitchen, retractable glass wall panels, and a transparent glass railing

Covered outdoor patio featuring stone flooring, a ceiling-mounted fan, a built-in stainless steel outdoor kitchen, and floor-to-ceiling glass sliding doors

Covered outdoor living area featuring large-format tile flooring, a ceiling-mounted fan, recessed lighting, and a swimming pool overlooking a canal with a wood-finish bulkhead

Modern kitchen featuring flat-panel cabinetry, a waterfall-edge wood-finish breakfast bar, integrated stainless steel appliances, linear pendant lighting, and stone-clad structural columns

Custom kitchen featuring a central island with an integrated cooktop and undermount sink, matte finish cabinetry, floor-to-ceiling built-in storage, and a tiered wood-finish breakfast bar

Modern kitchen featuring flat-panel cabinetry, a central island with a built-in cooktop, integrated range hood, recessed ceiling lighting, and large-format tile flooring

Kitchen featuring flat-panel cabinetry, stone-topped island with gas cooktop, integrated high-end appliances, and an attached wood-surface breakfast bar with pendant lighting

Modern kitchen featuring high-gloss cabinetry, a quartz waterfall island, built-in wine refrigeration, integrated gas cooktop, and floor-to-ceiling glass panel walls

Staircase featuring wood-finish treads, a vertical ribbed matte black accent wall, and a black metal handrail

Floor-to-ceiling windows, wood-finish flooring, glass panel railing, and structural metal slats

Floor-to-ceiling windows, wood-finish flooring, recessed linear lighting, louvered doors, and glass panel railing

Modern interior featuring wood-finish flooring, floor-to-ceiling glass sliding doors with black frames, recessed ceiling lighting, and a bathroom equipped with a wall-mounted floating vanity and dual vessel sinks

Floor-to-ceiling black-framed windows, recessed ceiling lighting, custom white cabinetry, wood-finish flooring, and integrated display shelving

Floor-to-ceiling windows, wood-finish flooring, built-in floor-to-ceiling cabinetry, recessed lighting, and integrated shelving

Floor-to-ceiling windows, wood-finish flooring, built-in floor-to-ceiling cabinetry, sliding glass doors, and a private balcony with glass railing

Floor-to-ceiling glass sliding doors, dark metal window frames, wood-finished ceiling accents, recessed lighting, and water-front access

Covered terrace featuring wood-plank ceiling, large-format tile flooring, frameless glass railing, and wall-mounted exterior lighting

Expansive covered terrace featuring large-format tile flooring, wood-paneled ceiling, frameless glass railing, and oversized sliding glass door panels

Modern bathroom featuring large-format stone flooring, a charcoal oval soaking tub, expansive glass-enclosed walk-in shower, wall-mounted wooden cabinetry with dual vessel sinks, and recessed lighting

Floating dual-sink vanity with matte wall-mounted faucets, stone-tiled wall, recessed built-in shelving, freestanding soaking tub, and recessed ceiling lighting

Bathroom featuring a freestanding composite soaking tub, walk-in glass-enclosed shower with rain-style showerhead, light-toned stone-finish wall and floor tile, built-in shelving, and black-framed louvered windows

Enclosed glass shower with ceiling-mounted rainfall showerhead, stone tile flooring, wall-to-wall stone tile surrounds, wall-mounted rectangular medicine cabinet with integrated mirror, and matte finish door hardware

Custom walk-in closet featuring integrated shelving, illuminated hanging rods, wood-finish cabinetry, a central storage island with a glass countertop, and recessed ceiling lighting

Floor-to-ceiling sliding glass doors, wood-finish flooring, recessed ceiling lighting, built-in wall shelving, and inset wall niches

Floating vanity featuring dual integrated sinks, wall-mounted polished chrome faucets, large frameless mirror, and a walk-in glass-enclosed shower with floor-to-ceiling tile work

Freestanding soaking tub featuring a wall-mounted faucet and hand shower, surrounded by large-format light-toned wall tile and a recessed shelving niche

Floating wood-slat vanity with a rectangular vessel sink, wall-mounted industrial-style faucet, vertical wood privacy screen, and built-in metallic recessed shelving

Covered outdoor living space with large-format tile flooring, ceiling fan, recessed lighting, swimming pool, and wooden dock

Covered outdoor terrace featuring large-format stone flooring, floor-to-ceiling glass sliding doors, recessed ceiling lighting, and a built-in outdoor kitchen with a stainless steel grill

Covered patio featuring large-format stone flooring, a built-in outdoor kitchen with stainless steel appliances, floor-to-ceiling glass sliding doors, and a glass panel perimeter railing

Waterfront pool deck featuring a wood-plank terrace, stone stairs, and deep-water pilings

Waterfront property featuring a private wood-plank dock with ladder access, a swimming pool, stone-paver pool deck, and a manicured lawn

Waterfront outdoor living area featuring a covered terrace, in-ground pool, stone-paved deck, and private wooden dock

Covered outdoor living space featuring a stone-tiled deck, recessed lighting, and a ceiling fan

Covered outdoor patio featuring large-format stone flooring, built-in stainless steel kitchen with ventilation hood, recessed ceiling lighting, and frameless glass railing overlooking the waterway

Garage space featuring integrated floor-to-ceiling cabinetry, recessed lighting, electric vehicle charging station, and finished flooring

Aerial perspective of waterfront properties featuring direct waterway access, private boat docks, and proximity to expansive coastal mangrove preserves

Waterfront parcel featuring extensive canal frontage, mature perimeter landscaping, and direct access to navigable waterways

Property Type: Residential Bedrooms: 6 Baths: 7 Square Footage: 8,699 Status: Active

Current Price: $19,750,000 List Date: 11/04/2026 Last Modified: 11/05/2026

Overview

Description

Spanning over 6,200 sq. ft. with 6 bedrooms and 6.5 baths, the home sits at the end of a private cul-de-sac with sweeping water and mangrove views. A dramatic entry opens to light-filled living spaces with floor-to-ceiling glass, wide-plank European oak floors, and custom millwork throughout. The sleek chef’s kitchen features Italian cabinetry, a marble waterfall island, and top-of-the-line Miele and Sub-Zero appliances. The primary suite offers a private sitting area, expansive custom closets, and a spa-style bathroom with book-matched marble, freestanding soaking tub, dual vanities, and glass-enclosed rain shower. Secondary suites are equally refined, each with bespoke finishes and private baths. Seamlessly connecting indoors and outdoors, the residence showcases covered terraces with natural stone flooring, a summer kitchen with custom cabinetry and Wolf appliances, and a resort-style pool surrounded by tropical gardens curated by CCLA. A private dock with direct Biscayne Bay acce ... (Read more)

Listing Details MLS# A12117649

General Property Information

Property Sub Type: Single Family Residence
Bedrooms Total: 6
Bathrooms Total: 7
Bathrooms Full: 6
Bathrooms Half: Yes
Building Area Main: 8699
Living Area Main: 6468
Adjusted Area Main: 6871
Year Built: 2018
Garage YN: Yes
Garage Spaces: 2
Covered Spaces: 2
Lot Size Area: 12900
Lot Size Acres: 0.3
Senior Community YN: Yes
Waterfront YN: Yes
Stories Total: 2
Direction Faces: South
Pool Private YN: Yes
Furnished: Unfurnished

Property Features

Exterior Features: Barbecue Flooring: Tile Parking Features: Driveway; Paver Block Property Condition: Resale Appliances: Dishwasher; Disposal; Dryer; Microwave; Oven; Washer Boat and Dock Features: Private Dock Construction Materials: CBS Cooling: Central Air; Electric Heating: Central; Electric Interior Features: Kitchen Island Levels: Two Listing Terms: Cash; Conventional Pool Features: Other Possession: Negotiable Restrictions: No Restrictions Roof: Aluminum Sewer: Public Sewer Special Information: Sold As-Is Tax Information: Tax Reflects No Exemptions View: Pool Water Access: Other Water Source: Public Water View: Canal Showing Requirements: Call Listing Agent Room Types: Family Room Acreage Description: 1/4 To Less Than 1/2 Acre Lot

Contract Information

Comp Sale YN: No
Original List Price: 19750000
Occupant Type: Owner

Location and Legal

Country: United States
County Or Parish: Miami-Dade
County Parish Name: Miami-Dade
Street Number: 1080
Street Name: Mariner
Street Suffix: Drive
City Name: Key Biscayne
Municipal Code: 24
State Or Province: FL
Postal Code: 33149
Postal Code +4: 2474
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
Parcel Number: 2452050110160
Subdivision Number: 11
Zoning: 2000
Flood Zone: AE

Financial Information

Membership Fee Required YN: No
Tax Annual Amount: 138676
Tax Year: 2025
Tax Legal Description: 5 55 42 CAPE FLA SUB SEC 2 PB 70-67 LOT 9 BLK 6 & PROP INT IN & TO WATERWAY LOT SIZE 100.000 X 129 OR 18730-1581 0699 4

Status Change Information

Major Change Timestamp: 2026-11-04T05:00:00Z
Major Change Type: New Listing
Status Change Date: 2026-11-04

More Information

Entry Information

Entry Level: Yes

Boat and Dock Information

Dock: Yes

Storm Protection

Impact Glass: Partial

Price Calculations

Current Price To SqFt: 3053.49

Section Details

Parcel Number MLX: 0160

Originating Details

Originating System Key: 569699198
Originating System ID: M00000151

Room Information

Room Name
Family Room

Listing Office: One Sotheby's International Realty

Last Updated: November - 05 - 2026

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1080 Mariner Drive, Key Biscayne, FL 33149 (MLS# A12117649)