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: 6/24/2026 Last Modified: 7/10/2026

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 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.

More Information MLS# 620392

Contract Information

Current Price: $2,750,000 Listing Date: 2026-06-24 Listing Board: Florida Keys List Price: $2,750,000

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

General Property Description

Realtor.COM Type: Residential - Single Family Style: Duplex Waterfront: Yes Control Depth: 4 Pool: Yes Year Built: 1980 Lot Size: 75 X 125 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

Status Change Info

Status: Active

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

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: July - 10 - 2026
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