301 ISLAND DR, Key Biscayne, FL 33149

Parcel: 2452050100210 · Residential - Single Family · 1 Unit · Zoning: 2000

Assessed Value (2025)
$3,365,683

Property Details

Beds
7
Baths
7.5
Living Sqft
5,558
Year Built
2017
Lot Sqft
12,000
Stories
2
RESIDENTIAL - SINGLE FAMILY : 1 UNIT

Sales History

1
$2,350,000
2014-10-06
JORGE TUBILLA & PILAR TUBILLA301 KEY BISCAYNE LLC
2
$4,350,000+85%
2019-05-30
301 KEY BISCAYNE LLCRICARDO C DE LA SERNA
3
$100non-market transfer
2019-06-11
301 KEY BISCAYNE LLCRICARDO C DE LA SERNA

Tax Assessment History

$3,365,683
Assessed (2025)
$5,000,462
Market Value
$3,314,961
Taxable Value
$67,490
Annual Tax
2024
$3,270,829
$4,660,676
2025
$3,365,683
$5,000,462
Assessed Market
View detailed table
YearAssessedMarketTaxableTax
2025 $3,365,683 $5,000,462 $3,314,961 $67,490
2024 $3,270,829 $4,660,676 $3,220,829 $65,574

About 301 ISLAND DR, Key Biscayne, FL 33149

301 ISLAND DR, Key Biscayne, FL 33149 is a 7-bedroom, 7.5-bathroom residential - single family : 1 unit built in 2017 with 5,558 square feet of living space on a 12,000 square foot lot. The property is currently owned by RICARDO C DE LA SERNA VANESSA DE LA SERNA, 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 2019-06-11 for $100, when 301 KEY BISCAYNE LLC sold to RICARDO C DE LA SERNA . The property sold for $4,349,900 less than the prior sale of $4,350,000 on 2019-05-30. There are 3 recorded sales for this property.

The 2025 assessed value is $3,365,683 with a market value of $5,000,462. This breaks down to $3,120,000 for the land and $1,880,462 for the building. The assessed value increased 3% from $3,270,829 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. 301 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 2014 to 2019, with 3 recorded transactions in the public record..

Current Owner

RICARDO C DE LA SERNA VANESSA DE LA SERNA
301 ISLAND DR, KEY BISCAYNE, FL, 33149
Since: 2026-04-19
View owner profile →

Flood Zone

Zone AE
Special Flood Hazard Area

Est. Annual Insurance

$20,594 — $34,456
Flood $400 — $800
Property/Wind $20,194 — $33,656

Estimate based on FEMA flood zone, property value, and year built. Actual premiums vary based on elevation, mitigation features, roof condition, and insurer. Not a quote.

Neighborhood

Median Income$250,001
Median Home Value$2,000,001
Pop. Density3,407/sq mi

Neighborhood 33149

34.2%
Owner-Occ
65.8%
Investor
119
Flips (4yr)
3,025
New Biz (3yr)
Distress Risk
MODERATE
36
View full risk analysis →
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