139 Marina Avenue, Key Largo, FL 33037 (MLS# 620392)

139 Marina Avenue, Key Largo, FL 33037

New Listing

$2,750,000

Property Type: Residential Bedrooms: 4 Baths: 6 Square Footage: 2,485 Lot Size (sq. ft.): 9,375 Status: Active

Current Price: $2,750,000 List Date: 6/24/2026 Last Modified: 6/24/2026

Overview

Description

Resort-style living just got better! Turnkey waterfront living in prestigious Port Largo. This rare turnkey property offers a legally permitted duplex with ocean views, exceptional flexibility, and strong income potential in one of Key Largo's most desirable waterfront communities. The residence features two side-by-side townhomes, each with 2 bedrooms and 2.5 bathrooms, for a total of 4 bedrooms, 4 full baths, and 2 half baths. Every bedroom includes a private en-suite bath, providing comfort and privacy for owners and guests. Situated on 75 feet of waterfront, the property boasts a brand-new heated saltwater pool, concrete dock, and 20,000-pound Neptune boat lift. The wide, 80-foot deep-water canal offers quick ocean access, placing you on the first channel to the Atlantic with ocean views and easy access to world-class fishing, diving, and boating. Built entirely of concrete and fully renovated, this home combines durability with modern coastal style. Tastefully updated kit ... (Read more)

Open Houses

Saturday, June 27, 11:00 am - 1:00 pm
Sunday, June 28, 12:00 pm - 3:00 pm

Listing Details MLS# 620392

Location, Tax & Legal

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
City: KEY LARGO
Mile Marker: 100
Marathon Neighborhood: N/A
Side: Ocean
Flood Zone: AE
Alternate Key #: 1552356
Parcel #: 00452700000000
Zoning: IS - Improved Subivision District
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: 14393.71
Tax Year: 2025
Pub Sewer HkUp: Yes

Contract Information

Listing Board: Florida Keys

General Property Description

Realtor.COM Type: Residential - Single Family
Style: Duplex
Waterfront: Yes
Control Depth: 4
Pool: Yes
Year Built: 1980
Lot SqFt: 9375
Lot Sqft Source: Tax Records
Acres: 0.21
Living Apx SqFt: 2485
SqFt Source: Tax Records
Total Bedrooms: 4
Full Baths: 4
Half Baths: 2
Total Baths: 6
Rentals Allowed: Yes
Min Rental Days: 28
Total Units: 0

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

Dockage

Dock Length: 75
Dock: Concrete
Seawall: Concrete
Davits: Yes

More Information

Building Style

Above Flood: Yes
Stories: 3 Stories

Specialty Rooms

Guest/Servant Qtrs: Legal
Utility Room: Yes

Pool Info

Heated: Yes
In Ground: Yes
Salt Water: Yes
Concrete: Yes

Remarks & Misc

Remarks – Consumer: Resort-style living just got better! Turnkey waterfront living in prestigious Port Largo. This rare turnkey property offers a legally permitted duplex with ocean views, exceptional flexibility, and strong income potential in one of Key Largo's most desirable waterfront communities. The residence features two side-by-side townhomes, each with 2 bedrooms and 2.5 bathrooms, for a total of 4 bedrooms, 4 full baths, and 2 half baths. Every bedroom includes a private en-suite bath, providing comfort and privacy for owners and guests. Situated on 75 feet of waterfront, the property boasts a brand-new heated saltwater pool, concrete dock, and 20,000-pound Neptune boat lift. The wide, 80-foot deep-water canal offers quick ocean access, placing you on the first channel to the Atlantic with ocean views and easy access to world-class fishing, diving, and boating. Built entirely of concrete and fully renovated, this home combines durability with modern coastal style. Tastefully updated kitchen, flooring, baths, and more, this home was thoughtfully designed. Located on sought-after Marina Avenue, just steps from the private Port Largo homeowners' park, you'll enjoy beautiful sunrise views from the balconies and the privacy of a nature preserve directly across the street. The ground level includes a spacious storage room, covered parking, and a spacious tiki hut perfect for outdoor living and entertaining. Additional features include all impact windows and doors, an electric gated entrance on both sides, separate electric and water meters for each unit, and furnishings and décor included. Ideal as an investment property, family compound, or waterfront retreat, this unique Port Largo opportunity delivers the best of the Florida Keys lifestyle. Call today. Owner/Agent.
Directions: MM 100- Oceanside. Home is on the left- hand side of Marina Ave.

Fee Includes

Common Area Mnt: Yes
None: Yes

Tax Exemptions

Homestead: Yes

Appliances

Dishwasher: Yes
Disposal: Yes
Dryer: Yes
Microwave: Yes
Range: Yes
Refrigerator: Yes
Stainless Steel Appliance(s): Yes
Washer: Yes

Pets

Pets Allowed: Yes

Cooling

Central Air: Yes

Heating

Central: Yes

Waterfront

Canal Front: Yes

Waterview

Canal View: Yes
Ocean View: Yes

Floor

Tile: Yes
Vinyl: Yes

Neighborhood Feature

Community Boat Ramp: Yes

Interior Features

Brazilian Quartzite Countertops: Yes
Built-in Cabinets: Yes
Drapes/Blinds Incl: Yes
Quartz Countertops: Yes
Smoke Alarms: Yes
Storage: Yes

Property Condition

Updated/Remodeled: Yes

Windows/Doors

Impact Rstnce Doors: Yes

Vehicle Storage

Covered Parking: Yes
Open Parking: Yes

Security

No Security: Yes

Construction

CBS: Yes

Land Size

Less Than 1/4 Acre: Yes

Furnished

Furnished: Yes
Negotiable: Yes

Terms

Cash: Yes
Conventional: Yes

Utilities

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

Porch/Balcony

Open Porch/Balcony: Yes

Title

Title Ins - Buyer: Yes

Exterior Features

Chickee Hut: Yes
Detached Guest Qtrs: Yes
Fencing: Yes
Hot Tub: Yes
Lighting: Yes
Privacy Wall/Fence: Yes
Storage: Yes

Roof

Concrete Roof: Yes

Property Features

Fee Includes: Common Area Mnt; None Tax Exemptions: Homestead Waterfront: Canal Front Waterview: Canal View; Ocean View Dockage: Davits Property Condition: Updated/Remodeled Vehicle Storage: Covered Parking; Open Parking Furnished: Furnished; Negotiable Cooling: Central Air Heating: Central Utilities: Elect Separate Meter; FKAA; Municipal Sewer; Water Separate Meter Interior Features: Brazilian Quartzite Countertops; Built-in Cabinets; Drapes/Blinds Incl; Quartz Countertops; Smoke Alarms; Storage Specialty Rooms: Utility Room Appliances: Dishwasher; Disposal; Dryer; Microwave; Range; Refrigerator; Stainless Steel Appliance(s); Washer Exterior Features: Chickee Hut; Detached Guest Qtrs; Fencing; Hot Tub; Lighting; Privacy Wall/Fence; Storage Pool Info: In Ground; Salt Water; Concrete 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: June - 24 - 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.