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56 SE Marlin Ave, Key Largo FL 33037

House For Sale
$574,000

BTC: 7.29815639

ETH: 226.83264177

-$25K (2026/07/21)
103 days
2 bds
1 ba
828 sqft

Overview

Only 6 homes in from the Beach! Located in Key Largo's highly desirable Largo Sound Park neighborhood, this concrete conch home offers exclusive access to a private community park featuring a sandy beach, boat ramp, and pavilion with restrooms- all for you to enjoy the Keys lifestyle! Full of character and Old Florida charm this 2 bedroom home features a bright and open floor plan with terrazzo floors and a new roof in 2023. Off of the kitchen, there is a huge screened patio under roof that connects to a workshop - great for additional living space with excellent potential! The fully fenced yard provides ample room for multiple vehicles and a boat trailer. The spacious backyard offers endless possibilities, with plenty of room to add a pool, create an outdoor entertaining area, or simply enjoy the wide open space. This is a great opportunity to own in Largo Sound Park right by the Homeowner's park and make this house your very own! This rare location is something truly special! Live the Keys lifestyle!

Location

Florida • Key Largo • 33037 • House • For Sale

Details

Type:
Residential
Parking:
Driveway / Rv/Boat Parking
Year Built:
1971
Lot:
5125 Square Feet
Heating:
Central
Price/sqft:
$693
Cooling:
Central Air
HOA:
No Data

Valuation

Our model vs. what's actually selling nearby.
Estimate
$511,950
$216K – $794K
Confidence Low
List vs. estimate
$62K above estimate
List $574,000 · +12.1%
Our model says this listing is priced above recent comparable activity. Room to negotiate.
Price per sq ft
$693
+0.8% vs. city median $688
Based on
10 MLS comparables
Median of recent comparable listings. Sold comps use closing price, active listings use list price.

Highlights

Annual tax
$4,070
2025
View
None
All facts and features

  • Flooring

    • Terrazzo

    Heating

    • Central

    Cooling

    • Central Air

    Appliances

    • Electric Range

    • Refrigerator

    Other interior features

    • First Floor Entry

    • Storage

    • Utility Room/Laundry

    Bedrooms and bathrooms

    • Bedrooms: 2

    • Full bathrooms: 1

  • Parking

    • Driveway

    • Rv/Boat Parking

    Property

    • Exterior Features: Room For Pool

    Lot

    • Lot: 5125 Square Feet

    Other Property Information

    • Parcel Number: 00473320-000000

    • Zoning: IS

  • Type and style

    • Property Type: Residential

    • Property Sub Type: Single Family Residence

  • Other financial information

    • Annual tax amount: $4,070

  • Source details

    • MLS ID: A12011094

    Other facts

    • Construction Materials: CBS Construction

    • Laundry Features: Utility Room/Laundry / Washer/Dryer Hook-Up

    • Lot Features: Less Than 1/4 Acre Lot

    • Patio And Porch Features: Screened Porch

    • Direction Faces: Southeast

    • Architectural Style: Detached / One Story / Ranch

    • Living Area: 828

    • Water Source: Municipal Water

    • Lot Size Dimensions: 50x102.5

    • Subdivision Name: LARGO SOUND PARK

Private inquiry
Talk to the advisor on this listing.
Floor plans, HOA docs, off-market comparables, scheduling a private showing — one message, direct to the local specialist.

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Market around this address

Live counts in the same area.
View all
This zip
33037
152
median $804K
Active
Same city
Key Largo
151
median $790K
Active
Same type
House
98
median $899K
Active
Similar price
$401K – $746K
36
median $574K
Active

The multiple listing information is provided by the Miami Association of REALTORS® from a copyrighted compilation of listings. The compilation of listings and each individual listing are ©2026-present Miami Association of REALTORS®. All Rights Reserved. The information provided is for consumers' personal, noncommercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. All properties are subject to prior sale or withdrawal. All information provided is deemed reliable but is not guaranteed accurate, and should be independently verified. Listing courtesy of: American Caribbean Real Estate