Google satellite image for 20 Card Sound Rd, Key Largo, FL 33037

Off Market Sep 2025 for $6.2M

$5,095,414

Est. refi paymentEst. refi $32,685/mo

•

3 ba

•

2,162

sq ft

20 Card Sound Rd, Key Largo, FL 33037

About this home

20 Card Sound Rd is a 2,162 square foot house on a 0.46 acre lot with 3 bedrooms and 3 bathrooms. - it last sold on September 26, 2025 for $6,200,000. Based on Redfin's Key Largo data, we estimate the home's value is $5,095,414.

Single-familyProperty Type

1979Year Built

0.46 acresLot Size

$2,357Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$5,095,414

$1.1M since sold in September 2025$453K since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 312.3% higher than the average sale price ($1.24M) of 6 comparable homes.

SOLD APR 30, 2026
$1,200,000
A
3 beds3 baths2,028 sq ft
13 Center Ln, Key Largo, FL 33037
SOLD MAY 28, 2026
$1,678,000
B
3 beds3 baths2,625 sq ft
28 Center Ln, Key Largo, FL 33037
SOLD NOV 20, 2025
$1,587,500
C
3 beds3 baths2,106 sq ft
58 S Blackwater Ln, Key Largo, FL 33037
SOLD MAR 27, 2026
$1,350,000
D
3 beds3 baths1,831 sq ft
25 N Blackwater Ln, Key Largo, FL 33037
SOLD MAR 16, 2026
$762,000
E
3 beds2 baths2,262 sq ft
15 N Ocean Dr, Key Largo, FL 33037
SOLD JUL 22, 2026
$837,500
F
3 beds2 baths1,984 sq ft
31 South Dr, Key Largo, FL 33037

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Est. cash available

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Rent

$7,726/mo

Redfin rental estimate

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Market trends in 33037, FL

Last updated July 2026

Buyer's Market

Seller's Market

Buyer's market

Sale-to-List Price

95.3%

+0.9% MoM

Median sale price

$957K

$68K MoM

Avg. days on market

102d

1 days MoM

Recently sold homes

2 MoM

New listings for sale

FOR SALE BY OWNER
$595,000
2 beds2 baths1,006 sq ft
73 Ibis Ln, Key Largo, FL 33037
NEW 26 HRS AGO
$1,779,000
3 beds2 baths1,500 sq ft
60 Mutiny Pl, Key Largo, FL 33037
$2,400,000
3 beds3 baths1,605 sq ft
1502 Shaw Dr, Key Largo, FL 33037
$2,325,000
3 beds2 baths1,530 sq ft
984 Shaw Dr, Key Largo, FL 33037
$1,385,000
3 beds3 baths2,261 sq ft
1501 Ocean Bay Dr Unit B7, Key Largo, FL 33037
(954) 545-5583
$1,100,000
3 beds2 baths1,248 sq ft
140 S Bay Harbor Dr, Key Largo, FL 33037
$4,795,000
5 beds4 baths4,001 sq ft
129 Marina Ave, Key Largo, FL 33037
3D WALKTHROUGH
$2,740,000
5 beds3 baths2,748 sq ft
515 Caribbean Dr, Key Largo, FL 33037
$1,125,000
3 beds2.5 baths1,839 sq ft
100 3rd Ln, Key Largo, FL 33037
$1,400,000
2 beds2 baths1,410 sq ft
895 Ellen Dr, Key Largo, FL 33037
See all

Provided by Redfin

Sale history for 20 Card Sound Rd

Tax history for 20 Card Sound Rd

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Zoning

Improved Subdivision District

The purpose of the IS district is to accommodate the legally vested residential development rights of the owners of lots in subdivisions that were lawfully established and improved prior to the adoption of this LDC. For the purpose of this section, improved lots are those that are served by a dedicated and accepted existing road of porous or nonporous material, that have an approved potable water supply, and that have sufficient uplands to accommodate the proposed use in accordance with the required setbacks. This district is not intended to be used for new land use districts of this classification within the county.

Permitted uses

Include but are not limited to:

Housing-Multiple units
Infrastructure

Property details

Interior

Bathroom Information
# of Full Baths: 3

Exterior

Exterior Information
Physical Condition: Good
Floor Construction Type: Concrete
Foundation Type: Slab
Exterior Wall: Concrete Block
Roof Shape Type: Irregular
Building Type: Residential

Pool Information
Pool Type: Concrete
Has Pool

Property Information
Subdivision Name: GRAYVIK EXT OR #2
Living Sq. Ft: 2,162
Gross Sq. Ft: 5,951
Ground Floor Sq. Ft: 2,162
Building Sq. Ft: 2,162
# of Units: 1
# of Stories: 1
Legal Description: BK 19 LT 32 GRAYVIK EXTENSION - OCEAN REEF PLAT NO 2 PB6-28 KEY LARGO OR547-987 OR763-769 OR771-648 OR865-1551 OR995-305 OR1564-1859/61 OR1642-1577 OR1684-807 OR1791-1156/58 OR1791/1159 OR1791-1160/61 OR3104-2394

Parking & Garage Information
Parking Type: Finished Block Garage
Garage/Parking Sq. Ft: 440
Garage / Carport Type: Finished Block

Lot Information
# of Buildings: 1
Land Sq. Ft: 20,093
Legal Lot Number: 32
Legal Block Number: 19
Municipality Type: ORF
Municipality Name: OCEAN REEF
Acres: 0.4613
Zoning Code: IS
County Use Description: SINGLE FAMILY RES
State Use Description: SINGLE FAMILY

Financial

Assessor Information
Assessment Year: 2025
Tax District County: OCEAN REEF
Tax Area: N KEY LARGO/OCEAN REEF MUNIC S

Public facts

Beds: 3
Baths: 3.0
Sq. Ft.: 2,162
Stories: 1.0
Lot Size: 0.46 acres
Style: Single Family Residential
Year Built: 1979
Year Renovated: 2015
County: Monroe County
APN: 1259 40 00572221002800

Home facts updated by county records on Jul 10, 2026

Around this home

Schools

Key Largo School

Public PreK-8 • Assigned • 12.7mi

8/10

Coral Shores High School

Public 9-12 • Assigned • 27.1mi

5/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

7/10 Flood Factor

Estimated 74-82% chance of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

10/10 Heat Factor

7 days above 106° expected this year, 32 days in 30 years

10/10 Wind Factor

99% chance of strong winds in next 30 years

2/10 Air Factor

1 unhealthy days expected this year, 1 days in 30 years

Provided by First Street

Historical weather

Key Largo, FL • 33037

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 9.4 hours in June and 7 hours in December, placing it above the U.S. average for solar exposure.

9.4 hrs

7 hrs

JuneDecember

Provided by Shadowmap

Is this your home?

Track this home’s value and nearby sales activity

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New listings for sale in 33037

FOR SALE BY OWNER

$595,000

2 beds2 baths1,006 sq ft

73 Ibis Ln, Key Largo, FL 33037

NEW 26 HRS AGO3D WALKTHROUGH

$1,779,000

3 beds2 baths1,500 sq ft

60 Mutiny Pl, Key Largo, FL 33037

$2,400,000

3 beds3 baths1,605 sq ft

1502 Shaw Dr, Key Largo, FL 33037

$2,325,000

3 beds2 baths1,530 sq ft

984 Shaw Dr, Key Largo, FL 33037

$1,385,000

3 beds3 baths2,261 sq ft

1501 Ocean Bay Dr Unit B7, Key Largo, FL 33037

(954) 545-5583

$1,100,000

3 beds2 baths1,248 sq ft

140 S Bay Harbor Dr, Key Largo, FL 33037

$4,795,000

5 beds4 baths4,001 sq ft

129 Marina Ave, Key Largo, FL 33037

3D WALKTHROUGH

$2,740,000

5 beds3 baths2,748 sq ft

515 Caribbean Dr, Key Largo, FL 33037

$1,125,000

3 beds2.5 baths1,839 sq ft

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Home values near 20 Card Sound Rd

Data from public records.

Address	Redfin Estimate
11 Card Sound Road, Key Largo, FL 5 Beds \| 6.5 Baths \| 6481 Sq. Ft.	$14,910,365
19 Card Sound Road, Key Largo, FL 6 Beds \| 6 Baths \| 6630 Sq. Ft.	$21,148,136

Address	Redfin Estimate
22 Card Sound Road, Key Largo, FL 4 Beds \| 5 Baths \| 4603 Sq. Ft.	$8,907,929
15 Card Sound Road, Key Largo, FL 3 Beds \| 3 Baths \| 2432 Sq. Ft.	$7,415,666

Address	Redfin Estimate
21 Card Sound Road, Key Largo, FL 4 Beds \| 4.5 Baths \| 4840 Sq. Ft.	$10,413,476
18 Card Sound Road, Key Largo, FL 1 Beds \| 1 Baths \| 600 Sq. Ft.	$3,534,438

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