Homes Sold in Mashta Island

Listed here are all the documented MLS sales of homes in Mashta Island in Key Biscayne as recently as 07/10/2025 and as far back as 01/19/2012. If you are looking for the currently available inventory see Homes For Sale in Mashta Island or you may browse all available Key Biscayne Real Estate. Private sales not recorded in the MLS are not reflected here. Please contact us for a more complete update on sales activity in Mashta Island

Average List Price$8,531,673
Average Sold Price$7,852,621
List/Sell Ratio92%
Average Size5,749 Square Feet
Average Days On Market224
Average Price Per Square Foot$1,416
Note: Because our historical sales data goes back as far as 10 years or more, keep in mind the statistical figures above reflect the averages of this entire period of time. Current market conditions can vary greatly from these averages.
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Mashta Island Closed Sales

MLS Number List Price Sale Price Bed Bth Cars Size Location Sale Date
A11776724 $5,495,000 $Log in to view 6 5/0 2 4,692SF 551 S Mashta Dr 07/10/2025
A11782312 $19,000,000 $Log in to view 5 6/1 2 5,992SF 510 S Mashta Dr 07/08/2025
A11729326 $3,900,000 $Log in to view 3 3/1 0 3,382SF 669 S Mashta Dr 06/27/2025
A11526068 $16,999,000 $Log in to view 7 8/1 0 6,195SF 660 S Mashta Dr 03/28/2025
A11611809 $13,250,000 $Log in to view 5 5/0 2 4,990SF 640 S Mashta Dr 10/16/2024
A11580060 $4,250,000 $Log in to view 4 3/0 0 2,792SF 600 N Mashta Dr 06/20/2024
A11502495 $17,200,000 $Log in to view 4 4/0 2 0SF 520 S Mashta Dr 02/26/2024
A11472796 $7,795,000 $Log in to view 6 6/1 2 5,521SF 730 N Mashta Dr 02/20/2024
A11266468 $4,625,000 $Log in to view 5 5/1 0 3,868SF 601 S Mashta Dr 12/01/2022
A11187700 $6,950,000 $Log in to view 6 5/3 2 5,179SF 740 N Mashta Dr 10/13/2022
A11217453 $7,490,000 $Log in to view 4 4/1 0 5,792SF 531 S Mashta Dr 09/28/2022
A11158393 $3,900,000 $Log in to view 4 3/0 0 2,834SF 721 S Mashta Dr 08/12/2022
A11068384 $11,500,000 $Log in to view 6 5/1 2 9,008SF 501 N Mashta Dr 05/20/2022
A11186189 $6,500,000 $Log in to view 6 6/2 0 5,521SF 730 N Mashta Dr 05/20/2022
A11145202 $12,500,000 $Log in to view 3 3/0 0 5,159SF 511 N Mashta Dr 04/08/2022
A11170704 $4,100,000 $Log in to view 5 5/1 0 3,868SF 601 S Mashta Dr 03/15/2022
A11118843 $11,000,000 $Log in to view 5 6/1 4 8,775SF 750 S Mashta Dr 12/23/2021
A11091809 $7,900,000 $Log in to view 4 5/0 1 4,150SF 621 N Mashta Dr 11/29/2021
A11146416 $0 $Log in to view 5 3/1 4,508SF 725 N Mashta Dr 11/29/2021
A11055730 $14,850,000 $Log in to view 7 6/1 2 7,736SF 610 S Mashta Dr 08/13/2021
A11005370 $7,500,000 $Log in to view 6 7/ 0 6,560SF 641 S Mashta Dr 06/18/2021
A10974423 $2,990,000 $Log in to view 4 3/0 2 3,722SF 571 S Mashta Dr 04/28/2021
A10811961 $19,300,000 $Log in to view 6 6/2 4 14,969SF 500 S Mashta Dr 04/13/2021
A10896112 $6,500,000 $Log in to view 4 4/0 2 4,135SF 611 N Mashta Dr 03/25/2021
A10691036 $8,995,000 $Log in to view 4 3/1 0 3,934SF 511 N Mashta Dr 03/24/2021
A10883109 $15,500,000 $Log in to view 7 9/0 4 13,126SF 460 N Mashta Dr 10/01/2020
A10760812 $3,420,000 $Log in to view 5 4/1 2 4,187SF 640 N Mashta Drive 09/25/2020
A10604394 $7,850,000 $Log in to view 7 7/1 3 8,953SF 471 N Mashta Dr 08/27/2020
A10842848 $6,950,000 $Log in to view 5 5/0 2 4,849SF 601 N Mashta Dr 08/10/2020
A10740657 $7,495,000 $Log in to view 5 6/1 2 8,775SF 750 S Mashta Dr 04/30/2020
A10665045 $7,499,000 $Log in to view 6 5/1 4 7,471SF 720 S Mashta Dr 04/06/2020
A10611984 $2,350,000 $Log in to view 5 5/1 0 3,868SF 601 S Mashta Dr 12/23/2019
A10304543 $2,599,999 $Log in to view 5 5/1 0 4,245SF 601 S Mashta Dr 04/11/2018
A10035933 $3,195,000 $Log in to view 6 5/ 2 0SF 551 S Mashta Drive 01/10/2017
A2174328 $6,950,000 $Log in to view 8 7/1 3 7,583SF 451 N Mashta Dr 09/01/2016
A2109230 $3,990,000 $Log in to view 6 4/1 2 4,054SF 641 S Mashta Dr 02/26/2016
A2121746 $2,625,000 $Log in to view 4 2/0 0 2,537SF 600 N Mashta Dr 01/06/2016
A2001951 $55,000,000 $Log in to view 6 8/0 4 11,588SF 775 S Mashta Dr 12/23/2015
A2191412 $2,749,000 $Log in to view 4 4/0 2 2,754SF 651 S Mashta Dr 12/11/2015
A2082548 $9,960,000 $Log in to view 6 7/1 2 6,986SF 701 N Mashta Dr 12/08/2015
A2168430 $3,195,000 $Log in to view 4 4/0 1 2,939SF 701 S Mashta Dr 10/30/2015
A1974133 $8,900,000 $Log in to view 6 6/1 2 7,048SF 481 S Mashta Dr 04/20/2015
A1848162 $9,950,000 $Log in to view 7 5/1 2 6,011SF 750 S Mashta Dr 03/04/2015
A1923712 $4,175,000 $Log in to view 6 6/1 0 4,857SF 650 N Mashta Dr 09/19/2014
A1918076 $2,995,000 $Log in to view 7 6/1 4 7,270SF 530 N Mashta Dr 07/30/2014
A1910236 $9,000,000 $Log in to view 3 4/0 2 3,630SF 520 S Mashta Dr 04/15/2014
A1736982 $10,950,000 $Log in to view 6 6/1 0 6,965SF 715 N Mashta Dr 03/19/2014
A1798966 $10,725,000 $Log in to view 6 5/1 2 6,328SF 720 S Mashta Dr 02/21/2014
A1786485 $3,550,000 $Log in to view 6 5/0 0 5,182SF 611 S Mashta Dr 02/21/2014
A1610817 $7,500,000 $Log in to view 3 3/0 2 3,239SF 571 N Mashta Dr 09/09/2013
A1599482 $3,500,000 $Log in to view 6 7/2 0 4,904SF 541 S Mashta Dr 07/22/2013
A1750337 $2,400,000 $Log in to view 4 3/0 2 2,677SF 710 N Mashta Dr 06/10/2013
A1615920 $12,900,000 $Log in to view 5 5/1 2 6,875SF 650 S Mashta Dr 12/17/2012
A1600694 $10,000,000 $Log in to view 7 9/0 3 9,000SF 440 S Mashta Dr 06/25/2012
A1539315 $1,980,000 $Log in to view 5 4/1 2 3,672SF 640 N Mashta Dr 04/03/2012
M1395586 $4,900,000 $Log in to view 5 5/1 3 5,616SF 461 S Mashta Dr 01/19/2012

The data relating to homes for sale or lease or other real estate for sale or for rent on the ZFC website comes in part from a cooperative data exchange program of the MLS in which this Broker participates. The real estate displayed may not be all of the homes in the database, or all of the properties listed with Brokers participating in the cooperative data exchange program. Homes for sale that are listed by Brokers other than this Broker are marked with either the listing Broker's name or the MLS name or a logo provided by the MLS and the details page about such properties includes the name of the listing Brokers. Information provided is thought to be reliable but is not guaranteed to be accurate; you are advised to verify facts that are important to you. No warranties, expressed or implied, are provided for the data herein, or for their use or interpretation by the user. ZFC, the Florida Association of Realtors and its cooperating Multiple Listing Services do not create, control or review the property data displayed herein and take no responsibility for the content of such records. Federal law including the fair housing act prohibits discrimination on the basis of race, color, religion, sex, handicap, familial status or national origin in the sale, rental or financing of housing. IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed.

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