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Ocean AccessCanal Front
591 Mashta Dr
Key Biscayne, FL, 33149
$15.5M
4
Bedrooms
5
Bathrooms
4,290 sqft
Living Area
1960
Year Built
Dock & Water Access
Dock Amenities
Waterfront Features
Ocean AccessCanal Front
Description
BEAUTIFUL AND UNIQUE WATERFRONT HOME ON EXCLUSIVE MASHTA ISLAND, ON DESIRABLE NORTH MASHTA DR IN KEY BISCAYNE. ELEVATED AND VERY COMFORTABLE 4BR/4.5BA + MAID’S QUARTERS WITH APPROX. 4,290 SQ FT UNDER A/C, SITTING ON A LARGE AND PRIVATE 15,184 SQ FT LOT, IDEAL FOR ENJOYING WITH FAMILY AND FRIENDS. APPROX. 50 FT DOCK WHERE THE OWNERS HAVE DOCKED BOATS OF AROUND 78 FT, WITH DEEP WATER OF ABOUT 8 FT EVEN AT LOW TIDE – A RARE TRUE DEEP-WATER ACCESS ON THE ISLAND. NORTH-FACING CANAL KEEPS THE HOUSE AND OUTDOOR AREAS PLEASANT AND COOLER ALL YEAR ROUND. EASY TO SHOW. BRING YOUR QUALIFIED BUYERS AND BEST OFFERS.
Location
Key Biscayne, FL, 33149
Listing courtesy of EXP Realty LLC
Last updated: 3/21/2026
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Dock Score™
70
Based on dock amenities, ocean access, and waterfront features
Dock Score is a DockOnly.com rating. Not provided by or affiliated with the MLS or listing broker.
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Estimate your monthly payment for this waterfront property
20%
$3,100,000 down
%
Principal & Interest$80,426/mo
Property Tax (est. 1.2%)$15,500/mo
Home Insurance (est.)$250/mo
Total Monthly Payment$96,176
Loan Amount: $12,400,000Rate: 6.75%
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Nearest Bridge Clearances
Florida Keys — critical for tall/large vessels
No bridge data available for this location.
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Lot Size15,184 sqft
Days on Market72