This listing is no longer active
The MLS feed no longer includes this property — it may have sold, gone under contract, or been withdrawn. Last seen on May 29, 2026. The details below are the last snapshot we captured. Contact Rangely for a similar property or current status.
MASHTA ISLAND A REPLAT OF
591 N Mashta Dr, Key Biscayne FL 33149
4 beds · 4.5 baths · 4,290 ft²
4
Bedrooms
4.5
Bathrooms
4,290
Sq. Ft.
1960
Year Built
2
Garage
141
Days on Market
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.
Facts
- MLS#
- A11924175
- Subdivision
- MASHTA ISLAND A REPLAT OF
- Property Type
- Residential
- Property Sub Type
- Single Family Residence
- Year Built
- 1960
- Lot Size
- 15,184 ft²
- Sq. Ft.
- 4,290 ft²
- Sq. Mt.
- 399 m²
- Price per sq. ft.
- $3,613/ft²
- Price per sq. mt.
- $38,847/m²
- Stories
- —
- Garage
- 2 spaces
- Pool
- —
- Days on Market
- 141 days
- Listed
- Nov 26, 2025
- Last Updated
- May 28, 2026
- Price/Lot Sq.Ft.
- $1,021/ft²
Comparable homes
Same ZIP, similar price + bedrooms.
$14,590,000
4 bd · 5 ba · 6,661 sqft
161 Cape Florida Dr, Key Biscayne FL 33149
$16,800,000
4 bd · 4 ba · 3,620 sqft
640 S Mashta Dr, Key Biscayne FL 33149
SOLD$17,200,000
4 bd · 4 ba · 3,085 sqft
520 S MASHTA DR, Key Biscayne FL 33149
SOLD$14,900,000
5 bd · 6 ba · 7,004 sqft
260 Harbor Dr, Key Biscayne FL 33149
$13,250,000
5 bd · 5 ba · 4,924 sqft
121 Knollwood Drive, Key Biscayne FL 33149
SOLD$13,870,000
5 bd · 6 ba · 8,435 sqft
445 Grand Bay Dr # 1A, Key Biscayne FL 33149
SOLD$13,250,000
5 bd · 5 ba · 3,620 sqft
640 S Mashta Dr, Key Biscayne FL 33149
$18,500,000
5 bd · 6 ba · 4,764 sqft
350 Ocean Dr, Key Biscayne FL 33149
Market insights for Key Biscayne
Live MLS-derived activity. Forecast is a conservative rule-of-thumb estimate — not a guarantee.
Sellers market
June 2026
34
Median days to sold
+4.5%
1-year price forecast (est.)
Price & tax history
From the live MIAMI MLS feed. Older history requires the ListingHistory resource (not yet enabled).
| 3/20/2026 | Price change | $15,500,000-8.6% |
| 11/26/2025 | Listed for sale | $16,950,000 |
History reflects fields present on the live MLS record. Full multi-year history requires the MIAMI ListingHistory resource (not yet enabled).
Location
GreatSchools Summary Ratings
Public + private K-12 schools within 5 miles of this listing.
Sheridan Technical High School9,10,11,12 · public · 0.5 mi
- Temple Solel Nursery/Kdgn School
PK,KG · private · 0.6 mi
- Jewish Academy
PK,KG,1,2,3,4,5,6,7,8 · private · 0.6 mi
- Hollywood Hills High School
9,10,11,12 · public · 0.6 mi
- Stirling Elementary School
PK,KG,1,2,3,4,5 · public · 0.6 mi
- Sheridan Hills Elementary School
PK,KG,1,2,3,4,5 · public · 0.6 mi
- Broward Children's Center Inc
KG,1,3,4 · private · 0.8 mi
- Hollywood Christian School
PK,TK,KG,1,2,3,4,5,6,7,8,9,10,11,12 · private · 0.9 mi
- The Quest Center
PK,KG,1,2,3,4,5,6,7,8,9,10,11,12 · public · 1.0 mi
- Covenant Teaching Fellowship
2,3,4,5,6 · private · 1.1 mi
Data provided by GreatSchools.org © 2026. All rights reserved.Estimated Monthly Payment
$95,564/mo
Principal & Interest
$82,498
Property Tax
$12,917
Insurance
$150
HOA
$0
Estimates only. Actual payment depends on credit, lender, insurance carrier, and FL/Miami-Dade specifics. Contact Rangely for a precise quote.
The data relating to real estate for sale on this website comes in part from the Southeast Florida Multiple Listing Service. MLS Data is deemed reliable, but is not guaranteed accurate by MIAMI REALTORS®.
Accuracy of listing information is not guaranteed. Listing information is provided for personal consumer, non-commercial use, solely to identify potential properties for potential purchase. All other use is strictly prohibited and may be a violation of federal and state law.
Copyright Southeast Florida MLS a/k/a SEFMLS © 2026.
Updated within 24 hours
Similar listings nearby
More homes in Key Biscayne around $15,500,000.
550 Harbor Dr, Key Biscayne FL 33149
960 Mariner Dr, Key Biscayne FL 33149
350 Ocean Dr, Key Biscayne FL 33149
799 Crandon Blvd # 8, Key Biscayne FL 33149
420 Island Dr, Key Biscayne FL 33149
221 Knollwood Dr, Key Biscayne FL 33149