677 HAMPTON LN, Key Biscayne, FL 33149

677 HAMPTON LN, Key Biscayne, FL 33149 is a 4-bedroom, 3.5-bathroom residential - single family : 1 unit built in 1951 with 2,620 square feet of living space on a 7,500 square foot lot. The property is currently owned by ESTEBAN VIDELA, recorded as of 2026-03-29. The owner appears to be owner-occupied based on the mailing address matching the property address.

The most recent sale was on 2026-03-06 for $3,125,000, when KENNETH BACKES JR sold to ESTEBAN VIDELA. The property has appreciated $1,345,000 (76%) since the prior sale of $1,780,000 on 2020-08-31. There are 3 recorded sales for this property.

The 2025 assessed value is $1,433,560 with a market value of $2,284,078. This breaks down to $1,950,000 for the land and $334,078 for the building. The assessed value increased 3% from $1,393,159 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. 677 HAMPTON LN, 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 available through Miami-Dade County public records. The complete ownership history of this property spans from 2019 to 2026, with 3 recorded transactions in the public record. The current assessed value represents 46% 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 $1193 per square foot — a key metric for comparing value across Key Biscayne's real estate market..