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Single Family ResidenceResidential
$1,117,544$448 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 89How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

604 ISLAND DR

KEY LARGO, FL 33037
3
Beds
3
Baths
2,496 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1974
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$1.1M
$991K low$1.2M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,759 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$815,646 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$792,659
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,710,256

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.88 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.100%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyMonroe
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2014
Lot (acres)The size of the land the home sits on, from county records.0.17
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Pile
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.Public/Municipal/Commercial
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 1,440 ft²Patio · 1,440 ft²Porch · 648 ft²Boat access

Transaction History(1)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Key Largo SchoolA-
Elementary · Grades PK–8 · 0.8 mi
H
Coral Shores High SchoolC+
High · Grades 9–12 · 13.6 mi

District: Monroe County School District

Neighborhood · ZIP 33037These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.139
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.81
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.10

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.61%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.6%
PopulationHow many people live in this area.13,627
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.83 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$75,684
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$116,746
Average tempThe average temperature here across a full year.76°F
Annual precipHow much rain and melted snow falls here in a typical year.53 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.75%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

604 Island Dr measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Costs less per square foot than 91% of homes in Monroe County
  • Bigger than 88% of homes in Monroe County
  • Older than 70% of homes in Key Largo 33037

What homes are worth in Key Largo 33037

Each bar is how many homes fall in that price range. The marker is this home.

This home
$398K$10M

This home is worth more than 51% of homes in Key Largo 33037.

How it measures up in Key Largo 33037

The dot is this home. The mark in the middle is the typical home in Key Largo 33037.

Estimated value$1,117,544
CheaperTypical $1,105,488Pricier

Pricier than 51% of homes nearby

Price per ft²$448
CheaperTypical $746Pricier

Pricier than 14% of homes nearby

Living area2,496 ft²
SmallerTypical 1,400 ft²Bigger

Bigger than 83% of homes nearby

Lot size0.17 ac
SmallerTypical 0.17 acBigger

Bigger than 49% of homes nearby

Year built1974
OlderTypical 1983Newer

Newer than 30% of homes nearby

How 604 Island Dr ranks against every home in each area.
MeasureThis homeKey Largo 33037Monroe County
Estimated valuepricier than$1,117,54451% of homes57% of homes
Price per ft²pricier than$44814% of homes9% of homes
Living areabigger than2,496 ft²83% of homes88% of homes
Lot sizebigger than0.17 ac49% of homes52% of homes
Year builtnewer than197430% of homes33% of homes

About 604 Island Dr

How much is 604 Island Dr, Key Largo, FL worth?

The TopHap Estimate for 604 Island Dr, Key Largo, FL is $1,117,544 as of Sep 24, 2026. The likely range is $991,213 to $1,243,875. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 604 Island Dr, Key Largo, FL?

604 Island Dr, Key Largo, FL has 3 bedrooms, 3 bathrooms, 2,496 square feet of living space and a 0.17-acre lot.

When was 604 Island Dr, Key Largo, FL built?

604 Island Dr, Key Largo, FL was built in 1974, making it 52 years old. The building has 2 stories.

What schools serve 604 Island Dr, Key Largo, FL?

604 Island Dr, Key Largo, FL is assigned to Key Largo School (elementary), rated A-; Coral Shores High School (high), rated C+. All sit in Monroe County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 604 Island Dr, Key Largo, FL compare to other homes in Key Largo 33037?

Among the 9,992 homes in Key Largo 33037, it is worth more than 51% of them ($1,117,544 against a typical $1,105,488), its price per square foot is higher than 14% of them ($448 against a typical $746), it is bigger than 83% of them (2,496 ft² against a typical 1,400 ft²), its lot is bigger than 49% of them (0.17 ac against a typical 0.17 ac) and it is newer than 30% of them (1974 against a typical 1983). Measured against all of Monroe County, it is worth more than 57% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 604 Island Dr, Key Largo, FL?

The 2024 property tax bill for 604 Island Dr, Key Largo, FL was $6,759. The county assessed it at $815,646.

More homes on Island Dr

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