925 Mariner Dr, Key Biscayne, FL 33149 Property Records

Miami-Dade County property record for 925 Mariner Dr, Key Biscayne, FL 33149 · Last verified April 2026

Property Summary

Property Type	Single Family Home
Details	7 bd · 6 ba · 6,432 sqft · built 2003
Lot Size	0.396 acres (17,250 sqft)
Owner	Company Name on File
Last Sale	$9,300,000 (Jun 2021)
Tax Bill	$155,632 (2025)
Deeds & Mortgages	Jun 2021 Sale & Mortgage Jan 2019 Sale
Flood Zone	Zone AE (high risk)
APN	`24-5205-011-0260`

Property Details

APN / Parcel Number

Primary APN	`24-5205-011-0260`

Interior

Bedrooms	7 Beds
Full Baths	6 Baths
Stories	2 Stories
Building Area	6,432 sqft Living Area
Gross Area	8,063 sqft
1st Floor Area	255 sqft

Exterior

Year Built	Built 2003
Effective Year Built	Effective 2005
Exterior Material	Composition/Composite
Construction Type	Concrete Block
Roof Material	Other
Lot Area	17,250 sqft (0.396 acres)
Lot Dimensions	150 ft deep x 115 ft wide

Exterior Amenities

Porch	Porch
Porch Area	34 sqft
Boat Access	Boat Access
Total Buildings	2 Buildings

Location & Zoning

Street Address	925 MARINER DR
City	KEY BISCAYNE
State	FL
Zip	33149-2430
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	5 55 42 CAPE FLA SUB SEC 2 PB 70-67 LOT 19 BLK 6 & PROP INT IN & TO WATERWAY LOT SIZE 17250 SQ FT OR 21246-1880 11/2001 4
Legal Range	42E
Legal Township	55S
Legal Section	05
Legal Subdivision	CAPE FLA SUB
Legal Block	6
Legal Lot Number	19
Jurisdiction	DADE FL
Township / Civil Division	KEY BISCAYNE
Census Block Group	1
Census Block	1017
Census Tract	4602

Owner

Source: Miami-Dade County records · APN 24-5205-011-0260

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 Record	Company Name on File
Mailing Address	925 MARINER DR, KEY BISCAYNE, FL 33149-2430
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Limited Liability Company

Deeds, Mortgages & Sale History

Date	Document
Jun 16, 2021	Warranty Deed, Transfer · Conventional Mortgage JPMORGAN CHASE BANK NA
Jan 24, 2019	Grant Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Jun 16, 2021 · Amount on Record
Deed Sale	Jun 16, 2021 · Amount on Record
Prior Sale	Apr 16, 2015 · Amount on Record
Deed Document Number	2021427759
Deed Book / Page	32567 / 2327
Prior Transfer Date	Dec 06, 2018
Prior Transfer Doc	0000046140
Record Updated	Jun 08, 2026

June 2021: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	DADE FL
Recording Date	Jun 16, 2021
Property Address	925 MARINER DR, KEY BISCAYNE, FL 33149-2430
Document Number	0000427759
Book / Page	32567 / 2327
Map Reference	MB 70 PG 67
Instrument Date	Jun 02, 2021
Instrument	2021R0427759
Transaction Type	Transfer
Record Updated	Apr 02, 2024
Title Company	ATTORNEY ONLY, ATTORNEY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$55,800.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	925 MARINER DR, KEY BISCAYNE, FL 33149-2430

Mortgage

Document Number	0000002329
Date	Jun 16, 2021
Instrument	32567/2329

Lender

Name	JPMORGAN CHASE BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jun 01, 2051

January 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	DADE FL
Recording Date	Jan 24, 2019
Property Address	925 MARINER DR, KEY BISCAYNE, FL 33149-2430
Document Number	0000046140
Book / Page	031300 / 000559
Instrument Date	Dec 06, 2018
Instrument	46140
Transaction Type	Transfer
Record Updated	Jan 14, 2020
Title Company	ATTORNEY ONLY

Transaction

Amount	Amount Recorded
Tax	$0.60
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Irrevocable Trust
Address	8950 SW 74TH CT #1901 MIAMI FL 331563178, 1901, MIAMI, FL 33156-3178

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	Florida
County	Miami-Dade County
Municipality	Key Biscayne Village
Unified School District	Dade County School District (PK - 12)

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$155,632.00 (+11.03%)	$9,734,809 (+17.9%)	$10,131,135 (+22.7%) Land $7,784,062 Building $2,347,073
2024	$140,169.00 (+5.38%)
2023	$133,007.00 (+6.74%)	$8,256,794 (+6.37%) Land $5,850,338 Building $2,406,456	$8,256,794 (+6.37%) Land $5,850,338 Building $2,406,456
2022	$124,607.00	$7,762,085 Land $5,325,938 Building $2,436,147	$7,762,085 Land $5,325,938 Building $2,436,147

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 120860046021, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone AE
Special Flood Hazard Area	Yes
Flood Hazard	High
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	10.0 ft
Flood Insurance Requirement	Required (federally backed mortgages)
Flood Insurance Cost	Premium on Record median of 201 individual NFIP policies nearby
Community Rating System	Class 8 (10% premium discount)
Nearby Flood Policies	201 in force
Nearby Flood Claims	312 (1979–2024)
Claims Outside the SFHA	1 of 312
Most Recent Claim	Jun 2024, rainfall accumulation
Claims By Storm	Hurricane Irma, Sep 2017 · 38 claims Hurricane Wilma, Oct 2005 · 26 claims Hurricane Andrew, Aug 1992 · 195 claims

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None 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 209 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
AT&T	Fiber	5,000 / 5,000
Xfinity	Cable	2,000 / 250
Verizon	Fixed Wireless	300 / 20
T-Mobile USA	Fixed Wireless	100 / 20
AT&T	Fixed Wireless	100 / 20
AT&T	DSL	100 / 20

May also be available at this address: Xfinity, TPC ACC Acquisition. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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