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320 Atlantic Rd, Key Biscayne, FL 33149 Property Records

Miami-Dade County property record for 320 Atlantic Rd, Key Biscayne, FL 33149 · Last verified July 2026

Property Summary

Property TypeSingle Family Home
Details6 bd · 6.5 ba · 5,275 sqft · built 2010
Lot Size0.281 acres (12,234 sqft)
Owner2 Individual Names on File
Last Sale$8,200,000 (Mar 2026)
Tax Bill$50,334 (2025)
Deeds & MortgagesMar 2026 Sale
Flood ZoneZone AE (high risk)
APN24-4232-003-0380

Property Details

APN / Parcel Number

Primary APN24-4232-003-0380

Interior

Bedrooms6 Beds
Full Baths6.5 Baths
Half Baths1 Half Bath
Stories2 Stories
Building Area5,275 sqft Living Area
Gross Area6,532 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 2010
Effective Year BuiltEffective 2010
Exterior MaterialConcrete Block
Construction TypeConcrete Block
Roof TypeGable/Hip
Roof MaterialConcrete
Lot Area12,234 sqft (0.281 acres)
Garage Area368 sqft
PorchPorch
Porch Area346 sqft
Patio Area400 sqft

Location & Zoning

Street Address320 ATLANTIC RD
CityKEY BISCAYNE
StateFL
Zip33149-1602
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionHOLIDAY COLONY PB 50-87 LOT 3 BLK 4 LOT SIZE 101.110 X 121 OR 15252-663 1091 1 COC 23506-2900 06 2005 1
Legal Range42E
Legal Township54S
Legal Section32
Legal SubdivisionHOLIDAY COLONY
Legal Block4
Legal Lot Number3
JurisdictionDADE FL
Township / Civil DivisionKEY BISCAYNE
Census Block Group1
Census Block1005
Census Tract4607

Owner

Source: Miami-Dade County records · APN 24-4232-003-0380

Assessment roll updated July 21, 2025 · Last verified July 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 File
Mailing Address320 ATLANTIC RD, KEY BISCAYNE, FL 33149-1602
OccupancyOwner Occupied
Owner TypeIndividual
VestingHusband and Wife

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleMar 04, 2026 · Amount on Record
Deed SaleMar 04, 2026 · Amount on Record
Prior SaleDec 29, 2015
Deed Document Number2026147286
Deed Book / Page35187 / 4622
Record UpdatedSep 20, 2026

March 2026: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionDADE FL
Recording DateMar 04, 2026
Property Address320 ATLANTIC RD, KEY BISCAYNE, FL 33149-1602
Document Number0000147286
Book / Page35187 / 4622
Map ReferenceMB 50 PG 87
Instrument DateFeb 23, 2026
Instrument2026R0147286
Transaction TypeTransfer
Record UpdatedApr 09, 2026
Title CompanyATTORNEY ONLY, ATTORNEY

Transaction

AmountAmount Recorded
Tax$49,200.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name
Address281 ISLAND DR, KEY BISCAYNE, FL 33149-2411

Transferred To (Grantee/Buyer)

NameVerified Name
Address320 ATLANTIC RD, KEY BISCAYNE, FL 33149-1602

Tax Assessment & Valuation

Source: Miami-Dade County records · Assessment roll updated July 21, 2025 · Last verified July 2026

Property Jurisdictions

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

Tax Bill & Assessment History

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

YearTax BillAssessed ValueAssessed Market Value
2025$50,334.00 (+2.29%) Homeowner's exemption Widower's exemption$3,176,560 (+5.99%)$5,057,748 (+12.8%) Land $3,425,520 Building $1,632,228
2024$49,208.00 (+1.19%)
2023$48,630.00 (+4.03%) Homeowner's exemption$2,997,123 (+3%)$4,484,007 (+16.51%) Land $2,813,820 Building $1,670,187
2022$46,747.00 Homeowner's exemption$2,909,829$3,848,468 Land $2,159,301 Building $1,689,167

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Miami-Dade County (12086C), updated January 25, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 120860046071, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone AE
Special Flood Hazard AreaYes
Flood HazardHigh
100-Year FloodplainYes
1% annual chance
FloodwayNo
Base Flood Elevation9.0 ft
Flood Insurance RequirementRequired (federally backed mortgages)
Flood Insurance CostPremium on Record
median of 141 individual NFIP policies nearby
Community Rating SystemClass 8 (10% premium discount)
Nearby Flood Policies1,524 units insured
1,383 under condo master policies
Nearby Flood Claims220 (1979–2022)
Claims Outside the SFHA1 of 220
Most Recent ClaimJun 2022, rainfall accumulation
Claims By Storm
  • Hurricane Irma, Sep 2017 · 60 claims
  • Hurricane Katrina, Aug 2005 · 25 claims
  • Hurricane Andrew, Aug 1992 · 63 claims

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 140 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
AT&TFiber5,000 / 5,000
XfinityCable2,000 / 250
T-Mobile USAFixed Wireless100 / 20
AT&TDSL100 / 20

May also be available at this address: AT&T, Xfinity, Hotwire Communications. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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