Single Family Residence For Sale

1080 Mariner Drive, Key Biscayne, FL 33149

$19,750,000
6 Bedrooms
7 Bathrooms
6,468
Property 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 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.

Basic Details
Listing Type : For Sale
Price : $19,750,000
Bedrooms : 6
Bathrooms : 7
Half Bathrooms : 1
View : Canal, Pool
Square Footage : 6,468
Full Bathrooms : 6
Property Sub Type : Single Family Residence
Field 3132 : Other
Features
: Electric, Central Air
: Driveway, Paver Block
Public Sewer
Central, Electric
Tile
Other
Aluminum
Unfurnished
Location
US
FL
Miami-Dade
Key Biscayne
33149
2520
1080 Mariner Drive, Key Biscayne, Florida 33149
Extended Details
Kitchen Island, Main Level Primary, Upper Level Primary
Barbecue
Virtual Tour URL
CAPE FLA SUB SEC 2
11.04.2026
Key Biscayne K-8
Ponce De Leon
Coral Gables
CBS (Concrete Block Structure), Block
Yes
Other
Cash, Conventional
1/4 to 1/2 Acre Lot
Dryer, Dishwasher, Disposal, Microwave, Oven, Washer
Other
2
South
2000
2025
Negotiable
$0
One Sotheby's International Realty
Alina De La Vega
8699
SEF3222292
SEFOSIR27
1
Two
Active
2026-11-03
1
Listed As-Is
2026-11-04T00:00:00Z
2
2
138676
Public
Gabriela Dajer
One Sotheby's International Realty
Beaches
Property TypeSingle Family Residence
StatusActive
Listing IDA12117649
Year Built2018
Lot Area12,900
Mortgage Calculator
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Realtyna

Nadereh (Nana) Rezaie, P.A.  Broker Associate, Certified Luxury Home Marketing Specialist™ GUILD™

Nana Rezaie 561-660-1948

Office: 561-660-1948 1400 Corporate Center Way, Second Floor, Wellington, FL 33414 Each office independently owned and operated 561-472-1236 .

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