345 HARBOR LN, Key Biscayne, FL 33149

345 HARBOR LN, Key Biscayne, FL 33149 is a property. The property is currently owned by CAROLINA SAENZ RUIZ GONZALO FERNANDEZ DEL CASTILLO, 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 2025-07-17 for $3,450,000, when MARIA EUGENIA DIAZ ALBERTINI sold to CAROLINA SAENZ RUIZ. There are 4 recorded sales for this property. The 2025 assessed value is $2,953,606 with a market value of $2,953,606.

This breaks down to $2,948,400 for the land and $5,206 for the building. The assessed value increased 55% from $1,908,949 in 2024. 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.

345 HARBOR 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 sourced from miami_dade County public records. The complete ownership history of this property spans from 2006 to 2025, with 4 recorded transactions in the public record.

The current assessed value represents 86% of the most recent sale price..