14 Days on Market
House for Sale
$19,900,000
5 bd · 4 ba · 3,085 sqft
520 S Mashta Dr, Key Biscayne, FL 33149
MASHTA ISLAND A REPLAT OF
Bedrooms
Bathrooms
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Live MLS inventory in Mashta Island A Replat Of, Key Biscayne, updated continuously. Florida Lux Real Estate currently tracks 2 active listings here. MLS inventory updated October 12, 2026.