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960 Mariner Dr

Key Biscayne, FL, 33149

Active

$19,500,000

6

Bedrooms

10

Bathrooms

7,742 sqft

Living Area

2025

Year Built

15,381

Lot Size (sqft)

484

Days on Market

Dock Score™

DockOnly
94
Excellent

What shaped this score

Ocean Access
Dock present
Bridge-free to bay & ocean
Fits boats up to ~100ft+ (est.)
·Draft not independently verified
Est. waterfront~106 ft

DockOnly.com rating, not provided by the MLS or listing broker.

Dock & Water AccessMLS

Ocean AccessCanal FrontSeawall

AI Aerial Imagery Detection

Dock DetectedSeawall DetectedDeep Water Indicators

Detected by AI from open-source aerial mapping imagery and may not reflect current conditions. This information was not provided by the MLS or listing broker. Always verify dock infrastructure with the listing agent.

Canal GeometryDockOnly

Canal Width

County parcel data
113ft at dock

Range 88149 ft over the next 200 ft of canal

dock113 ft88103118142

Measured every 10 ft along the canal boundary · perpendicular measurement

Will it turn around?

Up to 43 ft

Easy
handling

4358 ft

Fits
with care

5866 ft

Tight
(back-in)

Boats over 66 ft typically back in/out rather than turning here. Clear channel ≈ 87 ft with boats moored both sides (~13 ft per side for dock + beam). Wide-beam yachts need the upper end of each range.

Navigation RouteDockOnly

Data sources: SFWMD AHED waterway polygons · FHWA National Bridge Inventory 2024 · Not provided by the MLS or listing broker.

Description

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.

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Location

Key Biscayne, FL, 33149

No price history available for this property.

Displayed by Blue Mar Real Estate Group Inc., Licensed Florida Real Estate Broker (DBPR CQ1018554) · [email protected]

Listing courtesy of The Corcoran Group via MIAMI REALTORS®

Last checked: 15 hours ago

Listing updated: June 9, 2026

© 2026 Miami Association of REALTORS®, Inc. All rights reserved. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of the Miami Association of REALTORS®. Information is deemed reliable but not guaranteed. All properties are subject to prior sale, change, or withdrawal.

IDX information is provided exclusively for consumers' personal, non-commercial use. It may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

FEMA Flood Zone AE
BFE: 10ft

Special Flood Hazard Area

View FEMA Flood Map →
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Mortgage Calculator

Estimate your monthly payment for this waterfront property

20%

$3,900,000 down

%
Principal & Interest$101,181/mo
Property Tax (est. ~1.2%, varies by county)$19,500/mo
Home Insurance (est.)$250/mo
Total Monthly Payment$120,931
Loan Amount: $15,600,000Rate: 6.75%
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$19,500,000Tour the dockSchedule a Showing
Navigation note: Navigation routes show the shortest mapped path to open water. A vessel taller than the binding bridge clearance may still reach open water via a longer alternate route that we don't currently map. Verify navigability with a local captain or surveyor before relying on it.