139 Marina Avenue, Key Largo, FL 33037

$2,695,000
Property Type: Residential Bedrooms: 4 Baths: 6 Square Footage: 2,485 Lot Size (sq. ft.): 9,375 Status: Active
Current Price: $2,695,000 List Date: 11/19/2025 Last Modified: 12/13/2025

Description

Discover this unique and versatile canal front property in Port Largo, featuring a remarkable legal duplex with breathtaking ocean views. Each side-by-side townhome includes 2 bedrooms and 2.5 bathrooms, with all bedrooms thoughtfully designed as en-suites for ultimate privacy and comfort. With 75 feet of water-frontage, the property includes a concrete dock equipped with a 20,000 lbs boat lift. The wide 80 ft deep-water canal provides direct ocean access, allowing you to be first to the fishing grounds, as you're located on the first channel leading to the world-famous Key Largo waters ideal for boating, fishing, and diving. This concrete fortress has been completely renovated and is located on Marina Ave, just a few homes away from the homeowner's park, allowing you to enjoy daily sunrises from your balconies. Positioned across from a nature preserve, this home ensures tranquility with no front neighbors. Downstairs, you'll find a spacious 760 sq ft storage area and a comfortable Tiki Hut, perfect for outdoor relaxation. Plans for a concrete swimming pool were previously approved. An electric gated entry enhances security, and covered parking adds convenience. Each side has its own separate electric and water meters. Furniture negotiable. This property boasts excellent rental potential and is also perfect for two families looking to share a second home. Owner/Agent.

More Information MLS# 617374

Contract Information

Listing Board: Florida Keys Current Price: $2,695,000 Listing Date: 2025-11-19 List Price: $2,695,000

Location, Tax & Legal

City: KEY LARGO Mile Marker: 100 Marathon Neighborhood: N/A Side: Ocean Flood Zone: AE Alternate Key #: 1552356 Parcel #: 00452700-000000 Zoning: R2 - Residential Duplex Deed Restrictions: No Legal: LT 139 PORT LARGO-KEY LARGO PB5-3 OR558-557 OR560-1023 OR795-373 OR825-1828 OR995-248 OR1454-234 OR1598-90 OR1651-2119 O Taxes: 13732.57 Tax Year: 2024 Pub Sewer HkUp: Yes Street #: 139 Street Name: Marina Street Suffix: Avenue Key/Island: Key Largo State/Province: FL Zip Code: 33037 County: Monroe Subdivision: Port Largo (100.0) Area: 27 - Key Largo MM 97-107

General Property Description

Realtor.COM Type: Multi-family Waterfront: Yes Control Depth: 4 Lot Size: 75 x 125 Lot SqFt: 9375 Pool: No Lot Sqft Source: Tax Records Total Units: 0 Acres: 0.22 SqFt Source: Tax Records Rentals Allowed: Yes Min Rental Days: 28 Style: Duplex Year Built: 1980 Living Apx SqFt: 2485 Total Bedrooms: 4 Full Baths: 4 Half Baths: 2 Total Baths: 6

Remarks & Misc

Remarks – Consumer: Discover this unique and versatile canal front property in Port Largo, featuring a remarkable legal duplex with breathtaking ocean views. Each side-by-side townhome includes 2 bedrooms and 2.5 bathrooms, with all bedrooms thoughtfully designed as en-suites for ultimate privacy and comfort. With 75 feet of water-frontage, the property includes a concrete dock equipped with a 20,000 lbs boat lift. The wide 80 ft deep-water canal provides direct ocean access, allowing you to be first to the fishing grounds, as you're located on the first channel leading to the world-famous Key Largo waters ideal for boating, fishing, and diving. This concrete fortress has been completely renovated and is located on Marina Ave, just a few homes away from the homeowner's park, allowing you to enjoy daily sunrises from your balconies. Positioned across from a nature preserve, this home ensures tranquility with no front neighbors. Downstairs, you'll find a spacious 760 sq ft storage area and a comfortable Tiki Hut, perfect for outdoor relaxation. Plans for a concrete swimming pool were previously approved. An electric gated entry enhances security, and covered parking adds convenience. Each side has its own separate electric and water meters. Furniture negotiable. This property boasts excellent rental potential and is also perfect for two families looking to share a second home. Owner/Agent.

Association Info

Mandatory Home Owners Asc: No Voluntary Home Owners Asc: Yes 1st Right of Refusal: No Association Fee $: 300 Assoc/Mnt Fee Per: Yearly

Fee Includes

None: 1

Dockage

Dock Length: 75 Dock: Concrete Davits: 1 Seawall: Concrete

Tax Exemptions

Homestead: 1

Appliances

Dishwasher: 1 Disposal: 1 Dryer: 1 Microwave: 1 Range: 1 Refrigerator: 1 Washer: 1

Pets

Pets Allowed: 1

Cooling

Central Air: 1

Heating

Central: 1

Waterfront

Canal Front: 1

Waterview

Canal View: 1 Ocean View: 1

Floor

Tile: 1 Vinyl: 1

Neighborhood Feature

Community Boat Ramp: 1

Interior Features

Brazilian Quartzite Countertops: 1 Quartz Countertops: 1 Smoke Alarms: 1 Storage: 1

Building Style

Above Flood: Yes Stories: 3 Stories

Windows/Doors

Impact Rstnce Doors: 1

Vehicle Storage

Covered Parking: 1 Open Parking: 1

Security

No Security: 1

Construction

CBS: 1

Land Size

Less Than 1/4 Acre: 1

Furnished

Negotiable: 1

Terms

Cash: 1 Conventional: 1

Utilities

Elect Separate Meter: 1 FKAA: 1 Municipal Sewer: 1 Water Separate Meter: 1

Porch/Balcony

Open Porch/Balcony: 1

Title

Title Ins - Buyer: 1

Exterior Features

Chickee Hut: 1 Hot Tub: 1 Lighting: 1 Privacy Wall/Fence: 1 Storage: 1

Roof

Concrete Roof: 1

Status Change Info

Status: Active

Property Features

Fee Includes: None Tax Exemptions: Homestead Waterfront: Canal Front Waterview: Canal View; Ocean View Dockage: Davits Vehicle Storage: Covered Parking; Open Parking Furnished: Negotiable Cooling: Central Air Heating: Central Utilities: Elect Separate Meter; FKAA; Municipal Sewer; Water Separate Meter Interior Features: Brazilian Quartzite Countertops; Quartz Countertops; Smoke Alarms; Storage Appliances: Dishwasher; Disposal; Dryer; Microwave; Range; Refrigerator; Washer Exterior Features: Chickee Hut; Hot Tub; Lighting; Privacy Wall/Fence; Storage Construction: CBS Floor: Tile; Vinyl Roof: Concrete Roof Pets: Pets Allowed Neighborhood Feature: Community Boat Ramp Security: No Security Land Size: Less Than 1/4 Acre Terms: Cash; Conventional Title: Title Ins - Buyer
Listing Office: American Caribbean Real Estate, Christie's International Real Estate
Last Updated: December - 13 - 2025
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.