611 S MASHTA DR, Key Biscayne, FL 33149

611 S MASHTA DR, Key Biscayne, FL 33149 is a 4-bedroom, 4-bathroom residential - single family : 1 unit built in 2004 with 4,818 square feet of living space on a 10,000 square foot lot. The property is currently owned by MARCO A SAGRERA MARIA L MARTINEZ BORDIU, recorded as of 2026-04-19. The mailing address differs from the property address, suggesting this may be an investment property or rental.

The most recent sale was on 2014-02-13 for $3,350,000, when ARIEL ESPINOZA TRS sold to MARCO A SAGRERA. The property has appreciated $3,349,900 (3349900%) since the prior sale of $100 on 2011-06-30. There are 3 recorded sales for this property.

The 2025 assessed value is $2,913,532 with a market value of $4,477,600. This breaks down to $3,100,000 for the land and $1,377,600 for the building. The assessed value increased 3% from $2,831,421 in 2024.

The property has the following tax exemptions: homestead. This property is located in FEMA Flood Zone AE, a Special Flood Hazard Area with a 1% annual chance of flooding (100-year floodplain). Flood insurance is typically required by lenders for properties in this zone.

The median household income in this area is $250,001, and the median home value is $2,000,001. The population density is 3,407 people per square mile. 611 S MASHTA DR, Key Biscayne, FL 33149 is located in Key Biscayne, Florida.

Property records, tax assessments, sales history, and ownership information for this Key Biscayne property are sourced from miami_dade County public records. The complete ownership history of this property spans from 2004 to 2014, with 3 recorded transactions in the public record. The current assessed value represents 87% of the most recent sale price.

Based on the most recent sale, this property traded at $695 per square foot — a key metric for comparing value across Key Biscayne's real estate market..