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Slice RealtyPropiedad Futura

$14,450

3 bd · 4 ba · 3,343 sq ft · Single Family Residence

669 S Mashta Dr, Key Biscayne FL 33149

For Sale · Active listing

Est. payment $79/mo · Mortgage calculator

Listed by BHHS EWM Realty / Elena Chacon

Contact: 305-606-5700 (listing contact).

Shown through Slice Realty. Requests from this page reach Slice Realty / Propiedad Futura, not the listing agent.

About this home

Move-in ready and available immediately for rent on exclusive Mashta Island. This beautifully updated 4 bedrooms, 3.5 baths home offers vaulted ceilings, new walnut wood floors, renovated bathrooms, impact windows and abundant natural light. Open living areas flow through sliding pocket doors to a spacious covered terrace and mosaic-tiled pool, perfect for indoor-outdoor Florida living. A separate private bedroom, bath and living area is ideal for guests or extended family. Set on a lush 10,000 SF lot on prestigious South Mashta Drive. A rare Key Biscayne rental opportunity. Easy to show.

Facts
MLS #
A12075450
Subdivision
MASHTA ISLAND
Property type
Residential Lease
Property subtype
Single Family Residence
Sq. ft.
3,343
Price per sq. ft.
$4 / sq ft
Year built
1960
Days on market
53
County
Miami-Dade County
Date listed
Aug 21, 2026
Last updated
Oct 13, 2026
Exterior features
Waterfront
No
Construction
CBS Construction
Roof
Tar & Gravel Roof
Interior features
Furnished
Unfurnished
Heating
Central
Cooling
Central Air
Appliances
Dishwasher, Dryer, Gas Range, Refrigerator, Self Cleaning Oven, Wall Oven, Washer
Window features
Clear Impact Glass, Impact Glass
Additional features
Roman Tub, Split Bedroom, Volume Ceilings, Florida Room
Additional features
Security
Smoke Detector

Mortgage calculator

Includes principal and interest, taxes and insurance.

Rate: Freddie Mac 30-year average (2026-10-22). Estimate only.

Loan amount$11,560
Total cost of mortgage$28,587
Monthly payment$79

Local context (our analysis)

Area stats are available for our covered neighborhoods. See neighborhoods.

Source: Southeast Florida MLS (SEFMLS). Last updated Oct 13, 2026, 10:48 AM ET

Listing data is deemed reliable but is not guaranteed accurate by the MLS. Information is provided for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.