355 ATLANTIC RD, Key Biscayne, FL 33149

355 ATLANTIC RD, Key Biscayne, FL 33149 is a 6-bedroom, 6-bathroom residential - single family : 1 unit built in 1987 with 3,933 square feet of living space on a 11,909 square foot lot. The property is currently owned by ALVARO SILVA SANDRA MUSTIENES, recorded as of 2026-04-19. The owner appears to be owner-occupied based on the mailing address matching the property address.

The most recent sale was on 2016-12-02 for $2,900,000, when RICHARD A & SUSAN F SMITH sold to ALVARO SILVA. There are 3 recorded sales for this property. The 2025 assessed value is $1,979,105 with a market value of $3,773,618.

This breaks down to $3,167,794 for the land and $605,824 for the building. The assessed value increased 3% from $1,923,329 in 2024. The property has the following tax exemptions: homestead.

The median household income in this area is $170,682, and the median home value is $1,539,500. The population density is 16,591 people per square mile. There are active mortgage liens totaling $446,249 recorded against this property.

355 ATLANTIC RD, 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 1995 to 2016, with 3 recorded transactions in the public record.

The current assessed value represents 68% of the most recent sale price. This low ratio may suggest the property is under-assessed relative to market value, common after recent improvements or a competitive purchase. Based on the most recent sale, this property traded at $737 per square foot — a key metric for comparing value across Key Biscayne's real estate market..