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100 Island Dr, Key Biscayne, FL 33149 Property Records

Miami-Dade County property record for 100 Island Dr, Key Biscayne, FL 33149

Property Summary

Property TypeSingle Family Home
Details5 bd · 5 ba · 6,987 sqft · built 2007
Lot Size0.364 acres (15,875 sqft)
Owner2 Individual Names on Record
Last Sale$6,887,000 (Oct 2020)
Tax Bill$96,914 (2025)
Deeds & MortgagesOct 2020 Sale & Mortgage
Flood ZoneZone AE (high risk)
APN24-5205-011-0030

Property Details

APN / Parcel Number

Primary APN24-5205-011-0030

Interior

Bedrooms5 Beds
Full Baths5 Baths
Stories3 Stories
Building Area6,987 sqft Living Area
Gross Area8,658 sqft
ElevatorElevator

Exterior

Year BuiltBuilt 2007
Effective Year BuiltEffective 2007
Exterior MaterialConcrete Block/Hollow Tile/Frame
Construction TypeConcrete Block
Lot Area15,875 sqft (0.364 acres)
Lot Dimensions127 ft deep x 125 ft wide
Garage Area487 sqft

Exterior Amenities

Pool TypePool with Hot Tub/Spa
Pool Area36 sqft
PorchPorch
Porch Area452 sqft
Patio Area500 sqft
Boat AccessBoat Access

Location & Zoning

Street Address100 ISLAND DR
CityKEY BISCAYNE
StateFL
Zip33149-2410
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning Code2000
Legal Description5 55 42 CAPE FLA SUB SEC 2PB 70-67 LOT A BLK 3 & PROP INT IN & TO WATERWAY LOT SIZE125.000 X 127 OR 20719-1498-1501 01/2002 1 COC 25615-3594 03 2007 5
Legal Range42E
Legal Township55S
Legal Section05
Legal SubdivisionCAPE FLA SUB
Legal Block3
Legal Lot NumberA
JurisdictionDADE FL
Township / Civil DivisionKEY BISCAYNE
Census Block Group1
Census Block1019
Census Tract4602

Owner

Source: Miami-Dade County records, as of October 21, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Individual Names on Record
Mailing Address100 ISLAND DR, KEY BISCAYNE, FL 33149-2410
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleOct 19, 2020 · Amount on Record
Deed SaleOct 19, 2020 · Amount on Record
Prior SaleMay 28, 2004 · Amount on Record
Deed Document Number2020593590
Deed Book / Page32150 / 445
Transfer Doc2071001498
Record UpdatedOct 29, 2026

October 2020: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionDADE FL
Recording DateOct 19, 2020
Property Address100 ISLAND DR, KEY BISCAYNE, FL 33149-2410
Document Number0000593590
Book / Page32150 / 445
Map ReferenceMB 70 PG 67
Instrument DateSep 4, 2020
Instrument2020R0593590
Transaction TypeTransfer
Record UpdatedFeb 1, 2022
Title CompanyATTORNEY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$41,322.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name
Address170 SE 14TH ST # ST2206, 170, MIAMI, FL 33131-3334

Transferred To (Grantee/Buyer)

NameVerified Name
Address100 ISLAND DR, KEY BISCAYNE, FL 33149-2410

Mortgage

Document Number0000000449
DateOct 19, 2020
Instrument32150/449
Lender
NameUBS BANK USA
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueOct 1, 2050

Tax Assessment & Valuation

Source: Miami-Dade County assessment roll, as of October 21, 2026

Property Jurisdictions

TypeName
StateFlorida
CountyMiami-Dade County
MunicipalityKey Biscayne Village
Unified School DistrictDade County School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$96,914.00 (+3.6%) Homeowner's exemption$6,150,595 (+5.99%)$8,906,940 (+26.79%) Land $6,786,562 Building $2,120,378
2023$93,543.00 (+3.76%) Homeowner's exemption$5,803,161 (+3%)$7,024,977 (+6.59%) Land $5,100,638 Building $1,924,339
2022$90,157.00 Homeowner's exemption$5,634,137$6,590,406 Land $4,643,438 Building $1,946,968

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective January 25, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone AE
high risk
100-Year FloodplainYes
1% annual chance
FloodwayNo
Base Flood Elevation9.0 ft
Flood Insurance RequirementRequired
federally backed loans
Flood Insurance CostPremium on Record
median of 201 policies
Community Rating SystemClass 8 (10% premium discount)
Nearby Flood Policies201 in force
Nearby Flood Claims312 (1979–2024)
Claims Outside the SFHA1 of 312
Most Recent ClaimJun 2024 · rainfall accumulation
Claims by Event
  • Hurricane Irma, Sep 2017 · 38 claims
  • Hurricane Wilma, Oct 2005 · 26 claims
  • Hurricane Andrew, Aug 1992 · 195 claims

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskNot rated
no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemMDWASA - MAIN SYSTEM
serves 2,377,460 people · EPA ID FL4130871
Water SourceGroundwater
Last State InspectionDec 2023
Lead3 ppb (2023)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting6
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 209 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · Fixed Wireless · DSL		5,000 / 5,000
Xfinity
Cable · Fiber in parts of the area		2,000 / 250
Verizon
Fixed Wireless		300 / 20
T-Mobile
Fixed Wireless		100 / 20

May also be available: Blue Stream.

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