Ad #7522884
MLS #619361
WATERFRONT BEAUTIFULLY RENOVATED DUPLEX 330-340, 2BR 2BA Upper
330-340 4th St, Key Colony Beach, FL 33051
$1,849,000
3Beds
4Baths
2,540Sqft
0.15Acres
About this property
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!
Property Features
3 Beds
4 Baths
2,540 Sqft
Built in 1971
0.15 Acres
Key Colony Beach Golf Course
On Golf Course
Open, RV
Siding: Frame, Hardi Board Siding
Metal Roof
Has Swimming Pool
Central
$10,605 / yr property tax
Monroe County
Key Colony Beach (535) Community
Additional Photos
Contact Information
Dan Cloud
Water Vista Realty LLC
305-396-7844
Location
Listing Agent: Dan Cloud (License #: 3144777) 305-396-7844
Broker: Water Vista Realty LLC 305-396-7844 Listing Site
Copyright © 2026 Florida Keys Board of REALTORS®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
Broker: Water Vista Realty LLC 305-396-7844 Listing Site
Copyright © 2026 Florida Keys Board of REALTORS®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
GolfHomes.com
Printed Aug 11, 2026
Photo Gallery
$1,849,000
3
Beds
4
Baths
2,540
Sqft
330-340 4th St, Key Colony Beach, FL 33051
By contacting this agent you agree to these Terms and Conditions.
MLS# 619361
WATERFRONT BEAUTIFULLY RENOVATED DUPLEX 330-340, 2BR 2BA Upper
$1,849,000
330-340 4th St, Key Colony Beach, FL 33051
3
Beds
4
Baths
2,540
Sqft
0.15
Acres
$1,849,000
330-340 4th St, Key Colony Beach, FL 33051
3 Beds
4 Baths
2,540 Sqft
0.15 Acres
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!
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Property Details
HOME DETAILS
3 Beds
4 Baths
2,540 Sqft
Built in 1971
0.15 Acres
GOLF COURSE & VIEW
Key Colony Beach Golf Course
On Golf Course
EXTERIOR
Open, RV
Siding: Frame, Hardi Board Siding
Metal Roof
Has Swimming Pool
INTERIOR
Central
FINANCIAL & COMMUNITY
$10,605 / yr property tax
Monroe County
Key Colony Beach (535) Community
See More Details
Location
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Ad Statistics
Ad Number
7522884
Viewed
90 times
Listing Status
Active
Added
Apr 04, 2026
Last Refreshed
Jul 03, 2026 06:17:28 PM
Listing Information
Data Source
Florida Keys Board of REALTORS®
Source Property ID
619361
Listing Agent: Dan Cloud (License #: 3144777) 305-396-7844
Broker: Water Vista Realty LLC 305-396-7844 Listing Site
Copyright © 2026 Florida Keys Board of REALTORS®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
Broker: Water Vista Realty LLC 305-396-7844 Listing Site
Copyright © 2026 Florida Keys Board of REALTORS®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
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