330-340 4th Street, Key Colony, FL 33051
New Listing
$1,899,000
Property Type:
Residential
Bedrooms:
3
Baths:
4
Square Footage:
2,540
Lot Size (sq. ft.):
6,600
Status:
Active
Current Price:
$1,899,000
List Date:
4/04/2026
Last Modified:
4/04/2026
Description
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, 30-50 Amp Outlets, Fresh Water Hoses. EXCELLENT RENTAL 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, RV or Trailer 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 offers Golf, Tennis, Pickle Ball, Basketball, Bocce Ball, Corn Hole, and Horseshoes. Key Colony Beach, Paradise Awaits!
More Information MLS# 619361
Contract Information
Current Price: $1,899,000
Listing Date: 2026-04-04
Listing Board: Florida Keys
List Price: $1,899,000
Location Tax Legal
Street #: 330-340
Street Name: 4th
Street Suffix: Street
Key/Island: Key Colony
State/Province: FL
Zip Code: 33051
County: Monroe
Subdivision: Key Colony Beach (53.5)
Area: 17 - Vaca Cut - Both Sides Holiday Inn/Key Colony
General Property Description
Realtor.COM Type: Multi-family
Style: Duplex
Waterfront: Yes
Control Depth: 4
Pool: Yes
Year Built: 1971
Lot Size: 60 X 110
Lot SqFt: 6600
Acres: 0.15
Living Apx SqFt: 2540
SqFt Source: Tax Records
Total Bedrooms: 3
Full Baths: 3
Half Baths: 1
Total Baths: 4
Rentals Allowed: Yes
Status Change Info
Status: Active
Association Info
Mandatory Home Owners Asc: No
1st Right of Refusal: No
Dockage
Dock Length: 60
Dock: Concrete
Seawall: Concrete
Building Style
Above Flood: No
Stories: 2 Stories
Vehicle Storage
Car(s): 4+
Pool Info
Other: Chilled
Heated: Yes
Financial Status
Standard Sale: Yes
Property Features
Fee Includes: None
Tax Exemptions: Homestead
Waterfront: Canal Front
Waterview: Canal View
Dockage: Boat Lift
Property Condition: Updated/Remodeled
Vehicle Storage: Open Parking; RV Parking Open; Trailer Storage
Furnished: Negotiable
Cooling: Ceiling Fans(s); Central Air
Heating: Central
Utilities: Buyer to Verify; FKAA; Municipal Sewer
Interior Features: Built-in Cabinets; Drapes/Blinds Incl; Smoke Alarms; Split Bedroom; Storage; Window Treatments
Specialty Rooms: Laundry Room
Appliances: Dishwasher; Dryer; Freezer; Ice Machine; Oven; Range; Refrigerator; Washer
Exterior Features: Fencing; Lighting; Outdoor Shower; Shed; Storage
Pool Info: In Ground; Salt Water; Fiberglass; Decked
Construction: Frame; Hardi Board Siding
Shutters: Accordion; Bahama
Floor: Laminate; Tile
Roof: Metal Roof
Pets: Pets Allowed
Neighborhood Feature: Beach; Bike Paths; Community Boat Ramp; Tennis Courts; Other Area Features
Security: Patrolled Area
Land Size: Less Than 1/4 Acre
Terms: Cash; Conventional
Title: Title Ins - Buyer
Listing Office: Water Vista Realty, Inc.
Last Updated: April - 04 - 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.