Mashta Island

A subdivision of Key Biscayne.

Total Homes : 76

Percentage Available: 3.9 %

Gated : No

Club Membership : No

No-Fee Community : No

Lifestyle

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See All Listings Active Homes for Sale

Mashta Island, Miami, FL Homes for Sale

38 Photos

520 S Mashta Dr Key Biscayne, FL 33149

5 Beds / 4 Baths / 3,085 Sqft

$19,900,000

Mashta Island

49 Photos

631 N Mashta Drive Key Biscayne, FL 33149

4 Beds / 4/1 Baths / 2,255 Sqft

$18,500,000

Mashta Island

38 Photos

640 S Mashta Dr Key Biscayne, FL 33149

4 Beds / 4 Baths / 3,620 Sqft

$16,800,000

Mashta Island

View All 3 Listings For Sale

67 Photos

760 S Mashta Dr Key Biscayne, FL 33149

6 Beds / 6/1 Baths / 6,433 Sqft

$75,000/mo

Mashta Island

34 Photos

621 N Mashta Drive Key Biscayne, FL 33149

4 Beds / 5 Baths / 3,202 Sqft

$31,500/mo

Mashta Island

28 Photos

541 S Mashta Dr Key Biscayne, FL 33149

6 Beds / 7/2 Baths / 4,757 Sqft

$21,500/mo

Mashta Island

View All 3 Rentals

38 Photos

520 S Mashta Dr Key Biscayne, FL 33149

5 Beds / 4 Baths / 3,085 Sqft

$19,900,000

Mashta Island

49 Photos

631 N Mashta Drive Key Biscayne, FL 33149

4 Beds / 4/1 Baths / 2,255 Sqft

$18,500,000

Mashta Island

38 Photos

640 S Mashta Dr Key Biscayne, FL 33149

4 Beds / 4 Baths / 3,620 Sqft

$16,800,000

Mashta Island

View All 6 Pending Listings

SOLD

14 Photos

520 S Mashta Dr Key Biscayne, FL 33149

4 Beds / 4 Baths / 3,085 Sqft

$16,500,000

Mashta Island

SOLD

40 Photos

660 S Mashta Dr Key Biscayne, FL 33149

7 Beds / 8/1 Baths / 5,043 Sqft

$13,800,000

Mashta Island

SOLD

40 Photos

591 N Mashta Dr Key Biscayne, FL 33149

4 Beds / 4/1 Baths / 4,290 Sqft

$14,000,000

Mashta Island

View All 15 Sold Listings

LOCATION	PRICE	BEDS	BATHS	$/SQFT
520 S Mashta Dr \| Mashta Island A Replat Of	$19,900,000	5	4	$6,451	-
631 N Mashta Drive \| Mashta Island	$18,500,000	4	4/1	$8,204	-
640 S Mashta Dr \| Mashta Island	$16,800,000	4	4	$4,641	-

LOCATION	PRICE	BEDS	BATHS	$/SQFT
760 S Mashta Dr \| Mashta Point Sub	$75,000/mo	6	6/1	$12	-
621 N Mashta Drive \| Mashta Island A Replat Of	$31,500/mo	4	5	$10	-
541 S Mashta Dr \| Mashta Island A Replat Of	$21,500/mo	6	7/2	$5	-

LOCATION	PRICE	BEDS	BATHS	$/SQFT
520 S Mashta Dr \| Mashta Island A Replat Of	$19,900,000	5	4	$6,451	-
631 N Mashta Drive \| Mashta Island	$18,500,000	4	4/1	$8,204	-
640 S Mashta Dr \| Mashta Island	$16,800,000	4	4	$4,641	-
760 S Mashta Dr \| Mashta Point Sub	$75,000/mo	6	6/1	$12	-
621 N Mashta Drive \| Mashta Island A Replat Of	$31,500/mo	4	5	$10	-
541 S Mashta Dr \| Mashta Island A Replat Of	$21,500/mo	6	7/2	$5	-

LOCATION	PRICE	BEDS	BATHS	$/SQFT
520 S Mashta Dr \| Mashta Island	$16,500,000	4	4	$5,576	-
660 S Mashta Dr \| Mashta Island	$13,800,000	7	8/1	$3,371	-
591 N Mashta Dr \| Mashta Island A Replat Of	$14,000,000	4	4/1	$3,614	-
640 S Mashta Dr \| Mashta Island	$12,375,000	5	5	$3,661	-
730 N Mashta Dr \| Mashta Island	$7,300,000	6	6/1	$1,845	-
669 S Mashta Dr \| Mashta Island	$5,200,000	4	3/1	$1,715	-
669 S Mashta Dr \| Mashta Island	$4,750,000	3	3/1	$1,464	-
600 N Mashta Dr \| Mashta Island A Replat Of	$4,250,000	4	3	$1,760	-
669 S Mashta Dr \| Mashta Island	$3,465,000	3	3/1	$1,154	-
621 N Mashta Drive \| Mashta Island A Replat Of	$30,000/mo	4	5	$10	-
655 N Mashta Dr \| Mashta Island	$25,000/mo	5	5/1	$5	-
570 N Mashta Dr \| Mashta Island A Replat Of	$18,800/mo	4	3	$9	-
541 S Mashta Dr \| Mashta Island A Replat Of	$19,000/mo	6	7/2	$4	-
551 S Mashta Dr \| Mashta Island A Replat Of	$19,000/mo	6	6	$7	-
651 S Mashta Dr #651 \| Mashta Island	$15,000/mo	4	4	$7	-

520 S Mashta Dr | Mashta Island A Replat Of

$19,900,000

5 beds, 4 baths, 3,085sqft, $6,451/sqft

631 N Mashta Drive | Mashta Island

$18,500,000

4 beds, 4/1 baths, 2,255sqft, $8,204/sqft

640 S Mashta Dr | Mashta Island

$16,800,000

4 beds, 4 baths, 3,620sqft, $4,641/sqft

760 S Mashta Dr | Mashta Point Sub

$75,000/mo

6 beds, 6/1 baths, 6,433sqft, $12/sqft

621 N Mashta Drive | Mashta Island A Replat Of

$31,500/mo

4 beds, 5 baths, 3,202sqft, $10/sqft

541 S Mashta Dr | Mashta Island A Replat Of

$21,500/mo

6 beds, 7/2 baths, 4,757sqft, $5/sqft

520 S Mashta Dr | Mashta Island A Replat Of

$19,900,000

5 beds, 4 baths, 3,085sqft, $6,451/sqft

631 N Mashta Drive | Mashta Island

$18,500,000

4 beds, 4/1 baths, 2,255sqft, $8,204/sqft

640 S Mashta Dr | Mashta Island

$16,800,000

4 beds, 4 baths, 3,620sqft, $4,641/sqft

760 S Mashta Dr | Mashta Point Sub

$75,000/mo

6 beds, 6/1 baths, 6,433sqft, $12/sqft

621 N Mashta Drive | Mashta Island A Replat Of

$31,500/mo

4 beds, 5 baths, 3,202sqft, $10/sqft

541 S Mashta Dr | Mashta Island A Replat Of

$21,500/mo

6 beds, 7/2 baths, 4,757sqft, $5/sqft

520 S Mashta Dr | Mashta Island

$16,500,000

4 beds, 4 baths, 3,085sqft, $5,576/sqft

660 S Mashta Dr | Mashta Island

$13,800,000

7 beds, 8/1 baths, 5,043sqft, $3,371/sqft

591 N Mashta Dr | Mashta Island A Replat Of

$14,000,000

4 beds, 4/1 baths, 4,290sqft, $3,614/sqft

640 S Mashta Dr | Mashta Island

$12,375,000

5 beds, 5 baths, 3,620sqft, $3,661/sqft

730 N Mashta Dr | Mashta Island

$7,300,000

6 beds, 6/1 baths, 4,225sqft, $1,845/sqft

669 S Mashta Dr | Mashta Island

$5,200,000

4 beds, 3/1 baths, 3,382sqft, $1,715/sqft

669 S Mashta Dr | Mashta Island

$4,750,000

3 beds, 3/1 baths, 3,382sqft, $1,464/sqft

600 N Mashta Dr | Mashta Island A Replat Of

$4,250,000

4 beds, 3 baths, 2,416sqft, $1,760/sqft

669 S Mashta Dr | Mashta Island

$3,465,000

3 beds, 3/1 baths, 3,382sqft, $1,154/sqft

621 N Mashta Drive | Mashta Island A Replat Of

$30,000/mo

4 beds, 5 baths, 3,202sqft, $10/sqft

655 N Mashta Dr | Mashta Island

$25,000/mo

5 beds, 5/1 baths, 5,350sqft, $5/sqft

570 N Mashta Dr | Mashta Island A Replat Of

$18,800/mo

4 beds, 3 baths, 2,325sqft, $9/sqft

541 S Mashta Dr | Mashta Island A Replat Of

$19,000/mo

6 beds, 7/2 baths, 4,757sqft, $4/sqft

551 S Mashta Dr | Mashta Island A Replat Of

$19,000/mo

6 beds, 6 baths, 2,886sqft, $7/sqft

651 S Mashta Dr #651 | Mashta Island

$15,000/mo

4 beds, 4 baths, 2,624sqft, $7/sqft

Mashta Island Map

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Mashta Island Key Biscayne, FL Homes for Sale

Mashta Island is a luxurious community on the tip of Key Biscayne Miami and is surrounded by the Atlantic Ocean. The single-family homes here are large and opulent, family mansions feature over 30,000 square feet of space, private docks, and many lots with waterfront location. The island is a true hidden gem and offers two large parks and easy access to Miami for everyday conveniences, shopping, dining, and entertainment.

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Mashta Island Market Status

Mashta Island, FL Market Report & Stats

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Percentage reflects Change

Updated for July	Jul 2026	Jul 2025Jul 2024	% Diff
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New Properties on Market	-	--	--
Sold % of Ask Price	-	--	--
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Market Report & Stats

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7 AUG

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27 SEP

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26 SEP

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Mashta Island Homes for Sale
Mashta Island Homes for Rent

Mashta Island $400,000 - $750,000
Mashta Island $750,000 - $1,000,000

Mashta Island $1,000,000 - $2,000,000
Mashta Island $2,000,000 and up

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Nearby Communities

The Towers of Key Biscayne
The Ritz Carlton
One & Only Residences
301 Ocean Drive
Sands of Key Biscayne

The Pyramids
Ocean Village Key Biscayne
Ocean Lane Plaza
Ocean Drive Manor
Mar Azul

Days on MarketDOM

41Days | -11%

Active InventoryAI

4,590 Homes | -23%

Median Sales PriceMSP

$660,090 | 8%

New ListingsNL

1,433 Homes | -5%

Closed SalesCS

1,336 Homes | 13%

Dollar VolumeDV

$1.7B | 42%

Months of InventoryMOI

3.7 Months | -33%

Pending SalesCS

1,264 Homes | 5%

Mashta Island