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25 photos
+20
960 Mariner Dr
Key Biscayne, FL, 33149
Active$20,300,000
960 Mariner Dr
Key Biscayne, FL, 33149
Active$20,300,000
6
Bedrooms
10
Bathrooms
7,742 sqft
Living Area
2025
Year Built
Key Biscayne, FL, 33149
Active$20,300,000
Key Biscayne, FL, 33149
Active$20,300,000
6
Bedrooms
10
Bathrooms
7,742 sqft
Living Area
2025
Year Built
15,381
Lot Size (sqft)
443
Days on Market
AI Photo Analysis
AI analysis is based on listing photos 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.
Range 84–143 ft over the next 200 ft of canal
Width sampled every 10 ft from dock · perpendicular measurement
Will it fit?
Up to 65 ft
Easy maneuvering
65–81 ft
Fits with care
81 ft+
Tight turning
Data sources: SFWMD AHED waterway polygons · FHWA National Bridge Inventory 2024 · Not provided by the MLS or listing broker.
Discover unparalleled luxury at 960 Mariner Dr, Key Biscayne. This new architectural gem offers over 9,640 SF of living space 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.
See the property and tour the dock. A licensed waterfront specialist will arrange your private showing.
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Key Biscayne, FL, 33149
Estimate your monthly payment for this waterfront property
$4,060,000 down
Estimated payments only. Actual rates and terms may vary.
Listing courtesy of The Corcoran Group
Last updated: 5/1/2026
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Dock Score™
What shaped this score
Dock Score is a DockOnly.com rating. Not provided by or affiliated with the MLS or listing broker. This information was not provided by the MLS.
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Assigned Public Schools
Key Biscayne K-8 Center
Grades PK-8 · Key Biscayne
Ponce de Leon MS
Grades 6-8 · Coral Gables
Coral Gables Senior High
Grades 9-12 · Coral Gables
Nearby Private Schools
School data from Miami-Dade County Open Data Hub. Verify attendance zones with the school district.