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1080 Mariner Dr, Key Biscayne FL 33149

Key Biscayne, FL 33149

$19,750,000

  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 1 of 60: Modern residence featuring a concrete exterior, floor-to-ceiling glass windows, stone cladding, and a concrete paver walkway
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 2 of 60: 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
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 3 of 60: Modern architectural exterior featuring expansive glass curtain walls, horizontal slat cladding, smooth stone facade panels, and a tiered concrete paver walkway
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 4 of 60: Modern architectural facade featuring smooth stone exterior walls, extensive floor-to-ceiling glass windows, and a paved stone walkway leading to the entry
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 5 of 60: Waterfront swimming pool with an integrated tanning ledge, expansive wood-finish decking, tiered stone staircases, and recessed architectural lighting
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 6 of 60: 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
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 7 of 60: 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
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 8 of 60: 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
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 9 of 60: Waterfront residence featuring a private wooden dock, concrete swimming pool, manicured lawn, and multi-level structural exterior
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 10 of 60: Modern waterfront residence featuring floor-to-ceiling glass walls, a private wooden dock, and a rectangular inground swimming pool situated on a manicured lawn
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 11 of 60: 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
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 12 of 60: Modern two-story architectural exterior featuring stone masonry, wood-panel siding, floor-to-ceiling glass windows, and a paved stone driveway
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 13 of 60: 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
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 14 of 60: 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
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 15 of 60: Double-height ceilings, floor-to-ceiling glass wall, large-format tile flooring, and recessed architectural lighting
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 16 of 60: 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
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 17 of 60: 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
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 18 of 60: Full-height black-framed glass sliding wall panels, expansive neutral-toned floor tile, modern multi-arm linear pendant light fixture, and recessed ceiling lighting
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 19 of 60: Open-concept interior featuring floor-to-ceiling glass panel walls, large-format tile flooring, a stone feature wall, and recessed linear lighting
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 20 of 60: Open-concept interior featuring large-format tile flooring, recessed ceiling lighting, a modern spherical pendant fixture, and expansive floor-to-ceiling sliding glass doors
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 21 of 60: 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
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 22 of 60: Covered outdoor terrace featuring large-format stone flooring, a built-in stainless steel outdoor kitchen, retractable glass wall panels, and a transparent glass railing
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 23 of 60: Covered outdoor patio featuring stone flooring, a ceiling-mounted fan, a built-in stainless steel outdoor kitchen, and floor-to-ceiling glass sliding doors
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 24 of 60: 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
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 25 of 60: 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
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 26 of 60: 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
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 27 of 60: 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
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 28 of 60: 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
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 29 of 60: Modern kitchen featuring high-gloss cabinetry, a quartz waterfall island, built-in wine refrigeration, integrated gas cooktop, and floor-to-ceiling glass panel walls
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 30 of 60: Staircase featuring wood-finish treads, a vertical ribbed matte black accent wall, and a black metal handrail
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 31 of 60: Floor-to-ceiling windows, wood-finish flooring, glass panel railing, and structural metal slats
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 32 of 60
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 33 of 60: Floor-to-ceiling windows, wood-finish flooring, recessed linear lighting, louvered doors, and glass panel railing
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 34 of 60: 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
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 35 of 60: Floor-to-ceiling black-framed windows, recessed ceiling lighting, custom white cabinetry, wood-finish flooring, and integrated display shelving
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 36 of 60: Floor-to-ceiling windows, wood-finish flooring, built-in floor-to-ceiling cabinetry, recessed lighting, and integrated shelving
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 37 of 60: Floor-to-ceiling windows, wood-finish flooring, built-in floor-to-ceiling cabinetry, sliding glass doors, and a private balcony with glass railing
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 38 of 60: Floor-to-ceiling glass sliding doors, dark metal window frames, wood-finished ceiling accents, recessed lighting, and water-front access
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 39 of 60: Covered terrace featuring wood-plank ceiling, large-format tile flooring, frameless glass railing, and wall-mounted exterior lighting
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 40 of 60: Expansive covered terrace featuring large-format tile flooring, wood-paneled ceiling, frameless glass railing, and oversized sliding glass door panels
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 41 of 60: 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
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 42 of 60: Floating dual-sink vanity with matte wall-mounted faucets, stone-tiled wall, recessed built-in shelving, freestanding soaking tub, and recessed ceiling lighting
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 43 of 60: 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
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 44 of 60: 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
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 45 of 60: 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
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 46 of 60: Floor-to-ceiling sliding glass doors, wood-finish flooring, recessed ceiling lighting, built-in wall shelving, and inset wall niches
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 47 of 60: 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
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 48 of 60: Freestanding soaking tub featuring a wall-mounted faucet and hand shower, surrounded by large-format light-toned wall tile and a recessed shelving niche
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 49 of 60: Floating wood-slat vanity with a rectangular vessel sink, wall-mounted industrial-style faucet, vertical wood privacy screen, and built-in metallic recessed shelving
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 50 of 60: Covered outdoor living space with large-format tile flooring, ceiling fan, recessed lighting, swimming pool, and wooden dock
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 51 of 60: 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
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 52 of 60: 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
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 53 of 60: Waterfront pool deck featuring a wood-plank terrace, stone stairs, and deep-water pilings
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 54 of 60: Waterfront property featuring a private wood-plank dock with ladder access, a swimming pool, stone-paver pool deck, and a manicured lawn
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 55 of 60: Waterfront outdoor living area featuring a covered terrace, in-ground pool, stone-paved deck, and private wooden dock
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 56 of 60: Covered outdoor living space featuring a stone-tiled deck, recessed lighting, and a ceiling fan
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 57 of 60: 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
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 58 of 60: Garage space featuring integrated floor-to-ceiling cabinetry, recessed lighting, electric vehicle charging station, and finished flooring
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 59 of 60: Aerial perspective of waterfront properties featuring direct waterway access, private boat docks, and proximity to expansive coastal mangrove preserves
  • 1080 Mariner Dr, Key Biscayne FL 33149, photo 60 of 60: Waterfront parcel featuring extensive canal frontage, mature perimeter landscaping, and direct access to navigable waterways

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Price
$19,750,000
Beds
6
Baths
6.5
Square feet
6,468
Property type
Single Family Residence
Year built
2018
Lot size (sq ft)
12,900
MLS number
A12117649

This listing is courtesy of One Sotheby's International Realty, 305-666-0562.

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About this property

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 access completes the waterfront lifestyle. Located within one of Miami’s most coveted island communities, this estate blends modern craftsmanship with timeless design, just minutes from pristine beaches, parks, dining, and top-rated schools.

Details

Property type
Single Family Residence
Year built
2018
Lot size (sq ft)
12,900

Location

Listing information is deemed reliable but is not guaranteed accurate by MIAMI REALTORS®.

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