100 ISLAND DR, Key Biscayne, FL 33149

100 ISLAND DR, Key Biscayne, FL 33149 is a 5-bedroom, 5-bathroom residential - single family : 1 unit built in 2007 with 6,987 square feet of living space on a 15,875 square foot lot. The property is currently owned by ALFONSO JOSE MUNK CATALINA MENDEZ JARAMILLO, 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 2020-09-04 for $6,887,000, when FRED JOCH &W SUSAN sold to ALFONSO JOSE MUNK. There are 3 recorded sales for this property. The 2025 assessed value is $6,150,595 with a market value of $8,906,940.

This breaks down to $6,786,562 for the land and $2,120,378 for the building. The assessed value increased 3% from $5,977,255 in 2024. The property has the following tax exemptions: homestead.

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. 100 ISLAND 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 2020, with 3 recorded transactions in the public record. The current assessed value represents 89% of the most recent sale price.

Based on the most recent sale, this property traded at $986 per square foot — a key metric for comparing value across Key Biscayne's real estate market..