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960 Mariner Dr
Key Biscayne, FL, 33149
Active$19,500,000
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™
DockOnly94
ExcellentWhat 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 data113ft at dock
Range 88–149 ft over the next 200 ft of canal
Measured every 10 ft along the canal boundary · perpendicular measurement
Will it turn around?
Up to 43 ft
Easy
handling
43–58 ft
Fits
with care
58–66 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.
Dock Score™
DockOnly94
ExcellentWhat 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.
Loading nearby marinas…
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Nearby Schools
Assigned Public Schools
E
Key Biscayne K-8 Center
Grades PK-8 · Key Biscayne
M
Ponce de Leon MS
Grades 6-8 · Coral Gables
H
Coral Gables Senior High
Grades 9-12 · Coral Gables
Nearby Private Schools
St Christophers - By-The-Sea Montessori School1.0 mi
St Agnes Academy1.1 mi
School data from Miami-Dade County Open Data Hub. Verify attendance zones with the school district.
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%
Get Pre-QualifiedEstimated payments only. Actual rates and terms may vary.
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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.