Updated Oct 8, 2026
$8.5M Key Biscayne SFR Sale At 631 N Mashta Dr By Betty Duarte & Agustin Duarte - Remax360 Real Estate
631 North Mashta Drive, Key Biscayne, Florida 33149, United States
$8,500,000
$3,058/SF
Building Size
2,779 SF
Asset Type
Single Family Residence
Closing
Feb 27, 2022
About this deal
AI
A single-family residence located at 631 N Mashta Dr in Key Biscayne has been sold for a total of $8,500,000. The property spans approximately 2,779 square feet, resulting in a price per square foot of $3,059. The transaction took place on February 28, 2022, according to the post shared by Betty Duarte on Instagram.
Summary of transaction details
- Property Type: Single-Family Residence
- Transaction Amount: $8,500,000
- Address: 631 N Mashta Dr, Key Biscayne
- Market: Key Biscayne
- Broker: Betty Duarte & Agustin Duarte - REMAX360 Real Estate
The transaction was facilitated by Betty Duarte and Agustin Duarte, who represent REMAX360 Real Estate. They played a crucial role in the sale of the property on behalf of their clients. No additional information about the transaction is available at this time.
On the Map
$8,500,000
$3,058/SF
Single Family Residence
View full map
Players
Key Biscayne Single Family Residence Market Snapshot
Boundary boundary · Single Family Residence · Sale transactions
Loading comparables…
Deal FAQ
Visit Betty Duarte to view all their deals.
Browse Florida single family residence sales on Traded.
Purchase Price
Annual NOI
Loan Amount
Interest Rate (%)
Loan Term (yrs)
Down Payment (%)
Cap Rate
1.87%
Cash-on-Cash
-0.53%
Monthly Payment
$14,164
Annual Debt Svc
$169,964
Annual Cash Flow
$-11,334
DSCR
0.93