56 SE Marlin Avenue, Key Largo, FL 33037

$599,000

Property Type: Residential Bedrooms: 2 Baths: 1 Square Footage: 828 Lot Size (sq. ft.): 5,125 Status: Active

Current Price: $599,000 List Date: 4/22/2026 Last Modified: 5/28/2026

Description

Only 6 homes in from the Beach! Located in the 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!

Open Houses

Saturday, May 30, 11:00 am - 1:00 pm

More Information MLS# 619605

Contract Information

Listing Board: Florida Keys Current Price: $599,000 Listing Date: 2026-04-21 List Price: $599,000

Location, Tax & Legal

City: KEY LARGO Mile Marker: 103.5 Marathon Neighborhood: N/A Side: Ocean Flood Zone: AE Alternate Key #: 1580449 Parcel #: 00473320-000000 Zoning: IS - Improved Subivision District Deed Restrictions: Unknown Legal: BK 14 LT 16 LARGO SOUND PARK PB3-111 KEY LARGO OR266-595 OR402-197 OR758-294 OR826-2124 OR846-20 OR868-315 OR1030-1796 O Taxes: 4069.89 Tax Year: 2025 Pub Sewer HkUp: Yes Street #: 56 Direction: SE Street Name: Marlin Street Suffix: Avenue Key/Island: Key Largo State/Province: FL Zip Code: 33037 County: Monroe Subdivision: Largo Sound Park (103.5) Area: 27 - Key Largo MM 97-107

General Property Description

Realtor.COM Type: Residential - Single Family Waterfront: No Control Depth: 0 Lot Size: 50x102.5 Lot SqFt: 5125 Pool: No Lot Sqft Source: Tax Records Total Units: 0 Acres: 0.12 SqFt Source: Tax Records Rentals Allowed: With Restrictions Min Rental Days: 28 Style: Single Family Year Built: 1971 Living Apx SqFt: 828 Total Bedrooms: 2 Full Baths: 1 Total Baths: 1

Remarks & Misc

Remarks – Consumer: Only 6 homes in from the Beach! Located in the 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! Directions: MM 103.5 oceanside. Turn onto S Marlin Ave and house is on the left hand side.

Association Info

Mandatory Home Owners Asc: No Voluntary Home Owners Asc: Yes 1st Right of Refusal: No Association Fee $: 250 Assoc/Mnt Fee Per: Yearly

Fee Includes

Other: 1

Dockage

Boat Ramp: 1

Tax Exemptions

None: 1

Appliances

Dishwasher: 1 Microwave: 1 Oven: 1 Range: 1 Refrigerator: 1

Pets

Pets Allowed: 1

Cooling

Ceiling Fans(s): 1 Central Air: 1

Heating

Central: 1

Waterfront

None: 1

Waterview

No Waterview: 1

Floor

Terrazzo: 1

Neighborhood Feature

Beach: 1 Community Boat Ramp: 1 Other Area Features: 1

Interior Features

Drapes/Blinds Incl: 1 Storage: 1

Specialty Rooms

Sun/Florida Room: 1 Workshop: 1

Building Style

Above Flood: Unknown Ground Level: 1 Stories: 1 Story

Vehicle Storage

Off Street Parking: 1

Construction

CBS: 1

Land Size

Less Than 1/4 Acre: 1

Furnished

Unfurnished: 1

Terms

Cash: 1 Conventional: 1 FHA: 1 VA: 1

Utilities

FKAA: 1 Municipal Sewer: 1

Porch/Balcony

Screened Patio: 1

Title

Title Ins - Buyer: 1

Exterior Features

Fencing: 1

Pre-Wired

Cable: 1

Roof

Metal Roof: 1

Status Change Info

Status: Active

Property Features

Fee Includes: Other Tax Exemptions: None Waterfront: None Waterview: No Waterview Dockage: Boat Ramp Building Style: Ground Level Vehicle Storage: Off Street Parking Furnished: Unfurnished Cooling: Ceiling Fans(s); Central Air Heating: Central Utilities: FKAA; Municipal Sewer Interior Features: Drapes/Blinds Incl; Storage Pre-Wired: Cable Specialty Rooms: Sun/Florida Room; Workshop Appliances: Dishwasher; Microwave; Oven; Range; Refrigerator Exterior Features: Fencing Construction: CBS Floor: Terrazzo Roof: Metal Roof Pets: Pets Allowed Neighborhood Feature: Beach; Community Boat Ramp; Other Area Features Land Size: Less Than 1/4 Acre Terms: Cash; Conventional; FHA; VA Title: Title Ins - Buyer

Listing Office: American Caribbean Real Estate, Christie's International Real Estate

Last Updated: May - 28 - 2026

The data relating to real estate for sale on this web site comes in part from the Florida Keys MLS, Inc. Information provided is deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. The information being provided is for consumers’ personal, non-commeral use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. IDX data is deemed reliable but is not guaranteed accurate by the MLS.

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