How much is 1080 Mariner Drive?

1080 Mariner Drive is listed at $19,750,000, which is about $3,053 per square foot. The listing page shows comparable active listings and recent closed sales nearby so you can judge the asking price against what buyers have actually paid.

What are the property taxes on 1080 Mariner Drive?

The listing reports annual property taxes of $138,676 for 2025. Taxes are reassessed at the sale price after a purchase, so a new owner's bill can differ from the current owner's; use the mortgage calculator on this page for an estimate.

When was 1080 Mariner Drive built?

1080 Mariner Drive was built in 2018 and the listing describes its condition as resale. Age matters for insurance and financing in Florida: ask about the roof, the electrical panel and, for a condo built before the current code, the building's structural reserve study.

How long has 1080 Mariner Drive been on the market?

1080 Mariner Drive has been listed for 4 days. Days on market and price changes are the first signals of how much room there is to negotiate.

Is 1080 Mariner Drive waterfront?

Yes. The listing describes the water as other. For a home with dockage, confirm the water depth at low tide, the seawall condition and whether the route to the inlet passes under any fixed bridges before you offer.

Which schools serve 1080 Mariner Drive?

The MLS lists Key Biscayne K-8 (elementary), Ponce De Leon (middle), Coral Gables (high). School assignments are set by the district and can change; verify them with the school board before you rely on them.

How do I see 1080 Mariner Drive?

Request a showing from this page or call BreakThru Realty and a licensed agent will arrange a private tour, in person or by video, and answer anything the listing leaves out.

1080 Mariner Drive, Key Biscayne, FL 33149

$19,750,000 · Active

6 beds
6.5 baths
6,468 sq ft
4 days on market
Single Family Residence
Built 2018
Lot 13,068 sq ft
8,699 sq ft total
2 garage spaces
Miami-Dade County
MLS# A12117649
Cape Fla Sub Sec 2

Photo 1 at 1080 Mariner Drive, Key Biscayne

Photo 2 at 1080 Mariner Drive, Key Biscayne

Photo 3 at 1080 Mariner Drive, Key Biscayne

Photo 4 at 1080 Mariner Drive, Key Biscayne

Photo 5 at 1080 Mariner Drive, Key Biscayne

Photo 6 at 1080 Mariner Drive, Key Biscayne

Photo 7 at 1080 Mariner Drive, Key Biscayne

Photo 8 at 1080 Mariner Drive, Key Biscayne

About this home

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.

Features

Kitchen Island
Barbecue
Other
Other

Schools

Elementary: Key Biscayne K-8
Middle: Ponce De Leon
High: Coral Gables

Presented by

BreakThru Realty · (786) 914-1017

Courtesy of

One Sotheby's International Realty · MLS@onesothebysrealty.com · Listing agent: Alina De La Vega

All listings featuring the BMLS logo are provided by BeachesMLS, Inc. This information is not verified for authenticity or accuracy and is not guaranteed. Copyright © 2026 BeachesMLS, Inc. IDX information is provided exclusively for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed accurate by BeachesMLS. Listings held by brokerage firms other than BreakThru Realty carry the name of the listing broker.

Schedule a showing

Call or text BreakThru Realty at (786) 914-1017 or email sales@breakthrurealty.com to see 1080 Mariner Drive.

Before You Make an Offer

Buying in a 55 plus community

How buying a home in South Florida works

Your Buyer May Already Be Working With BreakThru Realty

Buyers come to BreakThru Realty searching for homes like this one, and many have shared their exact requirements with us: the neighborhood, the price, the bedrooms, the pool, the timing. If you own a home nearby and are weighing a sale, a broker can check it against those requirements before you list, and if no buyer on file fits, show you how we would reach the rest of the market.

BreakThru Realty works with hundreds of prequalified buyers searching for properties. Before you list, a broker reviews what you own, the market around it and whether an existing buyer's requirements match. If none does, you see how we would position it to reach other qualified buyers.

Find Out If We Have Your Buyer · Discuss Selling With BreakThru Realty

A potential match is a conversation, not an offer, until the buyer sees your property and makes one. No buyer is named and nothing about your property or business is shared until you decide to proceed.

Questions About 1080 Mariner Drive

How much is 1080 Mariner Drive?: 1080 Mariner Drive is listed at $19,750,000, which is about $3,053 per square foot. The listing page shows comparable active listings and recent closed sales nearby so you can judge the asking price against what buyers have actually paid.
What are the property taxes on 1080 Mariner Drive?: The listing reports annual property taxes of $138,676 for 2025. Taxes are reassessed at the sale price after a purchase, so a new owner's bill can differ from the current owner's; use the mortgage calculator on this page for an estimate.
When was 1080 Mariner Drive built?: 1080 Mariner Drive was built in 2018 and the listing describes its condition as resale. Age matters for insurance and financing in Florida: ask about the roof, the electrical panel and, for a condo built before the current code, the building's structural reserve study.
How long has 1080 Mariner Drive been on the market?: 1080 Mariner Drive has been listed for 4 days. Days on market and price changes are the first signals of how much room there is to negotiate.
Is 1080 Mariner Drive waterfront?: Yes. The listing describes the water as other. For a home with dockage, confirm the water depth at low tide, the seawall condition and whether the route to the inlet passes under any fixed bridges before you offer.
Which schools serve 1080 Mariner Drive?: The MLS lists Key Biscayne K-8 (elementary), Ponce De Leon (middle), Coral Gables (high). School assignments are set by the district and can change; verify them with the school board before you rely on them.
How do I see 1080 Mariner Drive?: Request a showing from this page or call BreakThru Realty and a licensed agent will arrange a private tour, in person or by video, and answer anything the listing leaves out.
To request a tour, call (786) 914-1017 or email sales@breakthrurealty.com.

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The 6 bedroom home at 960 Mariner Drive, Key Biscayne, FL 33149 is comparable and listed for sale at $19,450,000. Another comparable home, 591 N Mashta Drive, Key Biscayne, FL 33149, sold for $14,000,000 in August 2026. Key Biscayne neighborhoods include Commodore Club and Ocean Club. Nearby ZIP codes include 33131 and 33129. This property also neighbors Brickell, Coconut Grove, and Fisher Island. Compare it with the Key Biscayne housing market report.