80 W MASHTA DR, Key Biscayne, FL 33149

80 W MASHTA DR, Key Biscayne, FL 33149 is a 7-bedroom, 7.5-bathroom residential - single family : 1 unit built in 2025 with 5,736 square feet of living space on a 8,748 square foot lot. The property is currently owned by 80 RINA INC, recorded as of 2026-03-29. The mailing address differs from the property address, suggesting this may be an investment property or rental.

The most recent sale was on 2010-08-19 for $890,000, when JAVIER MEDINA &W CHRISTINA sold to 80 RINA INC. The property sold for $35,000 less than the prior sale of $925,000 on 2007-10-01. There are 3 recorded sales for this property.

The 2025 assessed value is $1,476,478 with a market value of $1,933,604. This breaks down to $1,933,308 for the land and $296 for the building. The assessed value increased 10% from $1,342,253 in 2024.

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. 80 W 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 1994 to 2010, with 3 recorded transactions in the public record. The current assessed value represents 166% of the most recent sale price.

This high ratio could indicate the property was purchased below market value — a potential sign of a distressed sale or off-market deal. Based on the most recent sale, this property traded at $155 per square foot — a key metric for comparing value across Key Biscayne's real estate market..