$1,849,000
$50K PRICE DROP

330 4th St Key Largo, FL 33037

Estimated payment $10,813/month

Total Views 5,446
3 Beds
3.5 Baths
2,540 Sq Ft
$728 Price per Sq Ft

Highlights

  • Dock made with concrete
  • Boat Lift
  • RV Access or Parking
  • Coral Shores High School Rated A
  • Heated Pool
  • Home fronts a canal

About This Home

WATERFRONT BEAUTIFULLY RENOVATED DUPLEX 330-340, 2BR 2BA Upper Level, 1BR 1.5BA Lower Level, both with Full Kitchens, in Key Colony Beach, a NO HOA Municipality, on Marathon Island MM53. New 15K lbs. Boat Lift 2022, 60 Ft Deep Water Dock, Extra Wide Canal, Multiple Electrical Outlets, 3 Fresh Water Spigots. House is equipped with Surge Protection, and a Transfer Switch for a portable generator. Exterior Motion Lights equipped with Security Cameras. EXCELLENT RENTAL INCOME OPPORTUNITY, 7 Day Rentals allowed. Rent the Upper and Lower units to separate parties at the same time, and or live in one and rent the other unit. Beautiful New Pool Heated-Chilled 2022, with a Saltwater system that uses a salt generator, offering lower maintenance, softer water, and reduced skin-eye irritation. New Pool-Cool Deck concrete patio in 2022, that reduces surface temperatures. Outdoor Shower. Metal Roof 2013. Hurricane Accordion and Metal Bahama Shutters in 2021. Upgraded Electrical system in 2022. Upgraded Flooring, Doors, and Windows. Mini-Split AC unit 2021. Upper Level Covered Balcony, beautiful views of the new Sparkling Pool and Boat Dock-Canal. Ample Storage, 3 large outdoor access rooms, and a shed. Excellent Parking 12 Cars, 2 RVs, and 2 Boats/Trailers storage. Ocean side, minutes to World Class Fishing-Diving in the Gulfstream, Coffins Patch Reef, and Sombrero Reef Lighthouse. Easy Bayside access via Vaca Cut in minutes. Join the Cabana Club, steps away, for beach access and excellent dining. Key Colony Beach amenities includes a Golf Course 9 Hole Par 3, Tennis and Pickle Ball Courts, Basketball, Bocce Ball, Corn Hole, Horseshoes. Enjoy the Parks, Playgrounds, Walking and Bike pathways. Key Colony Beach, Paradise Awaits!

Listing Agent

Daniel Cloud

Water Vista Realty, Inc. License #3144777 Listed on: 04/04/2026

Property Details

Home Type

  • Multi-Family

Est. Annual Taxes

  • $10,605

Year Built

  • Built in 1971 | Remodeled

Lot Details

  • 6,600 Sq Ft Lot
  • Lot Dimensions are 60 x 110
  • Home fronts a canal
  • Fenced

Home Design

  • Duplex
  • Frame Construction
  • Metal Roof
  • Hardboard

Interior Spaces

  • 2,540 Sq Ft Home
  • 2-Story Property
  • Ceiling Fan
  • Shutters
  • Drapes & Rods
  • Storage
  • Canal Views

Kitchen

  • Oven
  • Range
  • Freezer
  • Ice Maker
  • Dishwasher
  • Built-In or Custom Kitchen Cabinets

Bedrooms and Bathrooms

  • 3 Bedrooms
  • Split Bedroom Floorplan

Laundry

  • Laundry Room
  • Dryer
  • Washer

Home Security

  • Home Security System
  • Complete Accordion Shutters
  • Fire and Smoke Detector

Parking

  • 4 Parking Spaces
  • Open Parking
  • RV Access or Parking

Pool

  • Heated Pool
  • Outdoor Shower

Outdoor Features

  • Seawall
  • Boat Lift
  • Dock made with concrete
  • Exterior Lighting
  • Shed

Additional Features

  • Trailer Storage
  • Central Air

Listing and Financial Details

  • Assessor Parcel Number 00072990-000000

Community Details

Overview

  • Key Colony Beach Subdivision

Pet Policy

  • Pets Allowed

Property Details

Home Type

Multi-Family

Est. Annual Taxes

$10,605

Year Built

Built in 1971 | Remodeled

Lot Details

6,600 Sq Ft Lot

Listing Details

  • Property Type: Residential
  • Dockage Dock: Concrete
  • Dockage Seawall: Concrete
  • Vehicle Storage Cars: 4+
  • Year Built: 1971
  • Building Style Above Flood: No
  • Financial Status Standard Sale: Yes
  • Property Condition: Updated/Remodeled
  • Property Sub Type: Duplex
  • LotSizeAcres: 0.15
  • Lot Size: 60 X 110
  • Co List Office Mls Id: 2025071
  • Co List Office Phone: 305-396-7844
  • Subdivision Name: Key Colony Beach (53.5)
  • Dockage: Boat Lift
  • Vehicle Storage: Open Parking, RV Parking Open, Trailer Storage
  • Waterview: Canal View
  • Shutters: Accordion, Bahama
  • Building Style: Stories: 2 Stories
  • Specialty Rooms: Laundry Room
  • Special Features: VirtualTour

Interior Features

  • Interior Amenities: Built-in Cabinets, Security System, Storage
  • Appliances: Washer, Dryer, Dishwasher, Refrigerator, Range, Oven, Freezer, Ice Machine
  • Full Bathrooms: 3
  • Half Bathrooms: 1
  • Total Bedrooms: 3
  • Interior Features: Drapes/Blinds Incl, Split Bedroom, Built-in Cabinets, Security System, Smoke Alarms, Storage, Window Treatments

Exterior Features

  • Waterfront: Yes
  • Exterior Features: Fencing, Lighting, Outdoor Shower, Shed, Storage
  • Construction Type: Frame, Hardi Board Siding
  • General Property Description: Waterfront: Yes
  • Waterfront: Canal Front
  • Roof: Metal Roof
  • Pool Info: Heated: Yes

Utilities

  • Laundry Features: Laundry Room
  • Cooling: Central Air, Ceiling Fans(s)
  • Utilities: FKAA, Municipal Sewer, Buyer to Verify

Condo/Co-op/Association

  • Pets Allowed: Yes

Lot Info

  • Parcel Number: 00072990-000000
  • Lot Size Sq Ft: 6600.0

Rental Info

  • Furnished: Unfurnished

Tax Info

  • Tax Year: 2025
  • Tax Annual Amount: 10604.95

Map

Range of Values:

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Home Values in the Area

Source: Public Records

Average Home Value in this Area





Source: Public Records

Property History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Event Price List to Sale Price per Sq Ft
04/18/2026 04/18/26 Price Changed $1,849,000 -2.6% $728 / Sq Ft
04/04/2026 04/04/26 For Sale $1,899,000 -- $748 / Sq Ft
Source: Florida Keys Board of REALTORS®

Source: Florida Keys Board of REALTORS®

MLS Number: 619361

Florida Keys Board of REALTORS®

APN: 00072990-000000

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