139 Marina Avenue, Key Largo, FL 33037 (MLS# 620421)

139 Marina Avenue, Key Largo, FL 33037

$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: 6/26/2026 Last Modified: 6/29/2026

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)

Listing Details MLS# 620421

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

Contract Information

Listing Board: Florida Keys

General Property Description

Realtor.COM Type: Residential - Single Family
Style: Single Family
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: Property Data Card
Total Bedrooms: 4
Full Baths: 4
Half Baths: 2
Total Baths: 6
Rentals Allowed: Yes
Min Rental Days: 28

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

More Information

Building Style

Above Flood: Yes
# Stories: 3 Stories

Specialty Rooms

Guest/Servant Qtrs: Legal

Pool Info

Heated: 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 - 29 - 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.