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945 Mariner Dr, Key Biscayne, FL 33149 Property Records

Miami-Dade County property record for 945 Mariner Dr, Key Biscayne, FL 33149 · Last verified April 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms4 Beds
Bathrooms6 Baths
Year BuiltBuilt 2000
Square Footage5,191 sqft Living Area
Lot Size14,880 sqft (0.342 acres)
Last Sale$12,700,000 (2025)
Tax Bill$105,598.00 (2024)

Property Details

APN / Parcel Number

Primary APN24-5205-011-0250

Interior

Bedrooms4 Beds
Full Baths6 Baths
Building Area5,191 sqft Living Area
Gross Area6,526 sqft Gross Area
Stories2 Stories

Exterior

Year BuiltBuilt 1983
Effective Year BuiltEffective 2000
Exterior MaterialCombination Exterior
Construction TypeConcrete Blocks Construction
Lot Area14,880 sqft (0.342 acres)
Depth X Width150 ft x 99.2 ft Depth x Width
Patio Area1,170 sqft Patio
Greenhouse225 sqft Greenhouse

Location & Zoning

Street Address945 MARINER DR
CityKEY BISCAYNE
StateFL
Zip33149-2430
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal Description5 55 42 CAPE FLA SUB SEC 2 PB 70-67 LOT 18 BLK 6 & PROP INT IN & TO WATERWAY LOT SIZE 99.200 X 150 OR 15609-2283 0792 1
Legal Range42E
Legal Township55S
Legal Section05
Legal SubdivisionCAPE FLA SUB
Legal Block6
Legal Lot Number18
JurisdictionDADE FL
Minor Civil DivisionKEY BISCAYNE
Census Blockgroup1
Census Block1017
Census Tract4602

Owner

Source: Miami-Dade County records · APN 24-5205-011-0250

Assessment roll updated July 21, 2025 · Last verified April 2026

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

Owner of RecordCompany Name on File
Mailing Address2520 SW 99TH CT, MIAMI, FL 33165-2665
Owner TypeOwner is a Company

Deeds, Mortgages & Sale History

DateDocument
Mar 23, 2022Deed of Trust, Mortgage · Conventional Mortgage
JPMORGAN CHASE BANK NA
Mar 08, 2021Warranty Deed, Transfer · Conventional Mortgage
BRADESCO BAC FLORIDA BANK
Aug 23, 2019Warranty Deed, Transfer
ATTORNEY ONLY

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleMay 13, 2025 · Amount on Record
Deed SaleMay 13, 2025 · Amount on Record
Prior SaleMar 08, 2021 · Amount on Record
Deed Doc Number2025364484
Deed Book / Page34754 / 2402
Prior Transfer DateAug 05, 2019
Prior Transfer Doc0000534136
Record RefreshedJun 08, 2026

March 2022: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionDADE FL
Property Address945 MARINER DR, KEY BISCAYNE, FL 33149-2430
Transaction TypeMortgage
Record UpdatedApr 02, 2024

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000236021
DateMar 23, 2022
Book Page33083/1838
Instrument2022R0236021
Lender
NameJPMORGAN CHASE BANK NA
TypeBank
AddressDOWNERS GROVE, IL 60515
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueApr 01, 2052
Interest
Rate TypeAdjustable Rate
Rate3%
Type Change DateApr 01, 2032
Change Frequency6 Months
Min Rate At Change2.75%
Max Rate At Change8%
IndexOther
Max Rate8%

March 2021: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionDADE FL
Recording DateMar 08, 2021
Property Address945 MARINER DR, KEY BISCAYNE, FL 33149-2430
Document Number0000164981
Book / Page32385 / 2170
Map ReferenceMB 70 PG 67
Instrument DateMar 01, 2021
Instrument2021R0164981
Transaction TypeTransfer
Record UpdatedApr 02, 2024
Title CompanyATTORNEY ONLY, ATTORNEY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$34,500.00
Amount AccuracyRounded Values by County
Additional
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name
Address3400 SW 27TH AVE # AVE1901, AVE1901, MIAMI, FL 33133-5307

Transferred To (Grantee/Buyer)

NameVerified Name
Address999 PONCE DE LEON BLVD STE 935, 935, CORAL GABLES, FL 33134-3066

Mortgage

Document Number0000002172
DateMar 08, 2021
Instrument32385/2172
Lender
NameBRADESCO BAC FLORIDA BANK
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueApr 01, 2051
Interest
Rate TypeAdjustable Rate
Rate3.75%
Type Change DateApr 01, 2026
Change FrequencyAnnually
Min Rate At Change3.75%
Max Rate At Change5.75%
Index1-Year CMT
Max Rate9.75%

August 2019: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionDADE FL
Recording DateAug 23, 2019
Property Address945 MARINER DR, KEY BISCAYNE, FL 33149-2430
Document Number0000534136
Book / Page031581 / 003113
Instrument DateAug 05, 2019
Instrument534136
Transaction TypeTransfer
Record UpdatedSep 18, 2019
Title CompanyATTORNEY ONLY

Transaction

AmountAmount Recorded
Tax$0.60
Additional
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address945 MARINER DR KEY BISCAYNE FL 331492430, KEY BISCAYNE, FL 33149-2430

Tax Assessment & Valuation

Source: Miami-Dade County records · Assessment roll updated July 21, 2025 · Last verified April 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$119,419.00 (+13.09%)$7,303,047 (+20.05%)$7,931,195 (+30.37%) Land $7,068,000 Building $863,195
2024$105,598.00 (+7.25%)
2023$98,458.00 (+8.86%)$6,083,436 (+8.3%) Land $5,312,160 Building $771,276$6,083,436 (+8.3%) Land $5,312,160 Building $771,276
2022$90,444.00$5,617,017 Land $4,836,000 Building $781,017$5,617,017 Land $4,836,000 Building $781,017

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Miami-Dade County (12086C), updated January 25, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone AE
Flood HazardHigh
100-Year FloodplainYes
1% annual chance
Special Flood Hazard AreaYes
Flood Insurance RequirementRequired (federally backed mortgages)
FloodwayNo
Base Flood Elevation9.0 ft

Wildfire

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

Values are read at the parcel center point; lenders make the official flood determination.

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