960 Mariner Dr, Key Biscayne, FL 33149 Property Records

Miami-Dade County property record for 960 Mariner Dr, Key Biscayne, FL 33149

Property Summary

Property TypeSingle Family Home
Details6 bd · 9 ba · 7,742 sqft · built 2024
Lot Size0.337 acres (14,697 sqft)
OwnerCompany Name on Record
Last Sale$5,290,000 (May 2014)
Tax Bill$152,847 (2025)
Flood ZoneZone AE (high risk)
APN24-5205-011-0100

Property Details

APN / Parcel Number

Primary APN24-5205-011-0100

Interior

Bedrooms6 Beds
Full Baths9 Baths
Half Baths2 Half Baths
Building Area7,742 sqft Living Area
Gross Area9,640 sqft
ElevatorElevator

Exterior

Year BuiltBuilt 2024
Effective Year BuiltEffective 2024
Exterior MaterialConcrete Block/Stucco
Lot Area14,697 sqft (0.337 acres)
Lot Dimensions150 ft deep x 98 ft wide
Patio Area1,800 sqft

Location & Zoning

Street Address960 MARINER DR
CityKEY BISCAYNE
StateFL
Zip33149-2400
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning Code2000
Legal Description5 55 42 CAPE FL SUB SEC 2 PB 70-67 LOT 3 BLK 6 & PROP INT IN & TO WATERWAY LOT SIZE 97.980 X 150 OR 19128-4140 0696 4
Legal Range42E
Legal Township55S
Legal Section05
Legal SubdivisionCAPE FL SUB
Legal Block6
Legal Lot Number3
JurisdictionDADE FL
Township / Civil DivisionKEY BISCAYNE
Census Block Group1
Census Block1017
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 RecordCompany Name on Record
Mailing Address1001 BRICKELL BAY DR, 3112, MIAMI, FL 33131-4905
Owner TypeCompany
VestingCompany

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleMay 22, 2014 · Amount on Record
Deed SaleMay 22, 2014 · Amount on Record
Prior SaleMay 26, 2000 · Amount on Record
Deed Document Number2014370298
Deed Book / Page29162 / 3261
Transfer Doc1912004140
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$152,847.00 (+113.11%)$8,869,860 (+69.05%)$11,036,975 (+110.36%) Land $6,981,075 Building $4,055,900
2023$71,721.00 (+9.51%)$5,246,829 (+9.85%) Land $5,246,829$5,246,829 (+9.85%) Land $5,246,829
2022$65,494.00$4,776,525 Land $4,776,525$4,776,525 Land $4,776,525

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 Elevation10.0 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 RiskLow
lower than 99.1% of the US · lower than 98.7% of Florida
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond 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.

Nearby Properties on Mariner Dr

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