960 Mariner Dr

Key Biscayne, FL 33149

$19,500,000

$2,519/ft²

6Beds

9Baths

7,742Sq ft

2025Year built

Single-family homeType

About this home

Discover unparalleled luxury at 960 Mariner Dr, Key Biscayne. This new architectural gem offers over 9,640 SF of living space, 7742 SF under air conditioning, on a 15,381 SF lot with 106 feet of water frontage. Featuring 6 bedrooms, 8 baths, and 2 half baths, the open-concept design boasts floor-to-ceiling glass, providing stunning views. A 4-person elevator connects all levels, including a third-floor terrace with 360-degree views of the water and Miami skyline. The chef’s kitchen, resort-style pool, summer kitchen, and private dock with direct Bay access make it perfect for entertaining. Boating enthusiasts will appreciate the ski boat crane. This estate combines modern elegance, privacy, and top-tier amenities in one of Miami’s most exclusive areas.

Features

Waterfront

Property details

Listing

MLS #: A11731927
Status: For sale
Listed on: Feb 10, 2025
Days on market: 545 days
Listing data updated: Jun 9, 2026

Interior

Beds: 6
Baths: 9
Living area: 7,742 ft²
Price per ft²: $2,519/ft²

Building & community

Type: Single-family home
Year built: 2025
County: Miami-Dade

Lot & exterior

Lot size: 15,381 ft²
Waterfront: Yes

Days on market, price per ft² and the monthly HOA amount are calculated by this site from the MLS data shown; the association fee is normalized to a monthly figure.

True monthly cost

Mortgage (principal & interest): $98,603
Property taxes (est.): $17,875
Home insurance (est.): $600
Flood insurance (est.): —

Estimated total$117,078*/mo

* Some cost lines aren't available yet for this listing; the total shown is incomplete.

Based on 20% down, a 6.5% rate and a 30-year loan, plus this home's estimated Florida carrying costs. All figures are illustrative estimates — not quotes, not financial or insurance advice.

Sources: flood zone — FEMA National Flood Hazard Layer; mortgage, taxes and insurance figures — this site's own estimates; HOA / CDD — as reported for this listing.

What will this home really cost you?