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425 Grand Bay Dr, Key Biscayne, FL 33149 Property Records

Miami-Dade County property record for 425 Grand Bay Dr, Key Biscayne, FL 33149

Property Summary

Property TypeRecreational/Entertainment (General)
Details14,463 sqft · built 1997
Lot Size2.38 acres (104,080 sqft)
OwnerCompany Name on Record
Last Sale$20,000,000 (May 2025)
Tax Bill$51,379 (2025)
Flood ZoneZone AE (high risk)
APN24-5205-046-0040

Property Details

APN / Parcel Number

Primary APN24-5205-046-0040

Interior

Stories1 Story
Building Area14,463 sqft Gross Area
1st Floor Area14,463 sqft
ElevatorElevator

Exterior

Year BuiltBuilt 1997
Effective Year BuiltEffective 1997
Exterior MaterialConcrete Block
Construction TypeConcrete Block
Roof TypeMansard
Roof MaterialTile
Lot Area104,080 sqft
Pool Area225 sqft
Patio Area13,445 sqft
Gazebo100 sqft

Utilities, Heating & Cooling

Cooling SystemHVAC

Location & Zoning

Street Address425 GRAND BAY DR
CityKEY BISCAYNE
StateFL
Zip33149-1900
Property CategoryCommercial
Property TypeCommercial > Retail > Recreational/Entertainment (General)
Local Zoning Code9300
Legal Description54 42 32 GRAND BAY RESORT AND RESIDENCES PB 147-23 TR D & LESS BEG AT NW COR OF TR D TH N 89 DEG E 25.70FT S 01 DEG W 23.33FT S 44 DEG W 16.41FT S 89 DEG W 13.30FT N 00 DEG W 35FT TO POB FAU 24-4232-002-0180 & 24-5205- 020-0010 & 0020 LOT SIZE 104080
Legal Range42E
Legal Township55S
Legal Section05
Legal SubdivisionGRAND BAY RESORT AND RESIDENCES
Legal TractD
Legal Block1
Legal Lot NumberD
JurisdictionDADE FL
Township / Civil DivisionKEY BISCAYNE
Census Block Group1
Census Block1000
Census Tract4607

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 RecordCompany Name on Record
Mailing Address2700 TIGERTAIL AVE, MIAMI, FL 33133-5318
Owner TypeCompany
VestingLimited Liability Partnership

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleMay 2, 2025 · Amount on Record
Deed SaleMay 2, 2025 · Amount on Record
Prior SaleApr 4, 2007 · Amount on Record
Deed Document Number2025335519
Deed Book / Page34737 / 400
Record UpdatedOct 29, 2026

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$51,379.00 (+4.69%)$3,200,000 (-2.06%) Land $1,561,200 Building $1,638,800$3,200,000 (-2.06%) Land $1,561,200 Building $1,638,800
2024$49,077.00 (-1.58%)
2023$49,864.00 (-22.13%)$3,267,144 (-0.67%) Land $1,561,200 Building $1,705,944$3,267,144 (-0.67%) Land $1,561,200 Building $1,705,944
2022$64,039.00$3,289,341 Land $1,561,200 Building $1,728,141$3,289,341 Land $1,561,200 Building $1,728,141

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

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 Elevation8.0 ft
Flood Insurance RequirementRequired
federally backed loans
Flood Insurance CostPremium on Record
median of 141 individual policies
Community Rating SystemClass 8 (10% premium discount)
Nearby Flood Policies1,524 units insured
incl. 1,383 condo units
Nearby Flood Claims220 (1979–2022)
Claims Outside the SFHA1 of 220
Most Recent ClaimJun 2022 · rainfall accumulation
Claims by Event
  • Hurricane Irma, Sep 2017 · 60 claims
  • Hurricane Katrina, Aug 2005 · 25 claims
  • Hurricane Andrew, Aug 1992 · 63 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 143 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable · Fiber in parts of the area		2,000 / 250
Starlink
Satellite		280 / 30
T-Mobile
Fixed Wireless		100 / 20
AT&T
Fixed Wireless · Fiber, DSL in parts of the area		100 / 20

May also be available: Hotwire Communications, Verizon.

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