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440 S Mashta Dr
Key Biscayne, FL, 33149
Active$85,000
440 S Mashta Dr
Key Biscayne, FL, 33149
Active$85,000
6
Bedrooms
7
Bathrooms
8,202 sqft
Living Area
2013
Year Built
16,980
Lot Size (sqft)
783
Days on Market
Dock Score™
DockOnly86
ExcellentWhat shaped this score
✓Ocean Front
✓Dock present
✓Bridge-free to bay & ocean
✓Fits boats up to ~100ft+ (est.)
·Draft not independently verified
Est. waterfront~151 ft
DockOnly.com rating, not provided by the MLS or listing broker.
Dock & Water AccessMLS
Ocean FrontSeawall
AI Aerial Imagery Detection
Dock 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.
Navigation RouteDockOnly
Data sources: SFWMD AHED waterway polygons · FHWA National Bridge Inventory 2024 · Not provided by the MLS or listing broker.
Description
Price is per week. Limited availability. Massive glass double-door entrance, one-of-a-kind experience. Biscayne Bay & infinity pool views unfold instantly as travertine deck creates a seamless transition to the pool & ocean. The ZEN serenity of the residence is enhanced by its curated color palette and the tranquil ambiance throughout. Gated, manicured landscape, security system. Sleek, elegant kitchen overlooks both the reception area & the shimmering bay. Designer furniture deserves its own chapter. Wraparound balconies, rooftop jacuzzi further enhances this home’s breathtaking architectural presence. Family room, playroom, office, modern gym featuring Peloton, NordicTrack & Life Fitness equipment. Sauna to elevate wellness & SUPs + kayaks to complete this exclusive oceanfront lifestyle.
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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 Gambino Real Estate Corp. via MIAMI REALTORS®
Last checked: July 25, 2026
Listing updated: May 10, 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™
DockOnly86
ExcellentWhat shaped this score
✓Ocean Front
✓Dock present
✓Bridge-free to bay & ocean
✓Fits boats up to ~100ft+ (est.)
·Draft not independently verified
Est. waterfront~151 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 School1.3 mi
St Agnes Academy1.3 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%
$17,000 down
%
Principal & Interest$441/mo
Property Tax (est. ~1.2%, varies by county)$85/mo
Home Insurance (est.)$250/mo
Total Monthly Payment$776
Loan Amount: $68,000Rate: 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.