Waterfront
330-340 4Th Street, Key Colony Beach, FL 33051
For Sale
$1,795,000
Residential, Key Colony, FL
Property Size2,540 SF
Lot Size0.15 Acres
Price / SF$706.69
Days on Market8
Property Features for 330-340 4Th Street
General Information
Property type
Property subtype
Zoning
Bedrooms
Bathrooms
Full bathrooms
Half bathrooms
Rooms
Parking features
Security features
Window features
Patio and Porch features
Pets allowed
Pool private
Interior features
Exterior features
Fencing
Appliances
Subdivision
Directions
Standard status
APN
Size
Lot size
Taxes and HOA fees
Tax Year
Tax Description
Tax Annual Amount
Legal Description
Utilities
Cooling system
Water front
Amenities
pool
outdoor shower
boat dock
boat lift
covered balcony
storage shed
Building Details
Year built
Flooring type
Building materials
Roof type
Additional Structures
Buildings
Listing Agency:
Water Vista Realty, Inc.
Listed By:
Dan Cloud · License FL #3144777
(305) 396-7844
Added: Nov 3
Changed: Nov 7
Last Checked: Nov 10 at 12:06AM
MLS# 621908
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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This 2,540-square-foot waterfront duplex at 330-340 4th Street in Key Colony has a 2-bedroom, 2-bath upper residence and a 1-bedroom, 1.5-bath lower residence, each with a full kitchen. The 0.15-acre property has a 60-foot deep-water dock and a 15K lbs. boat lift installed in 2022. A heated-chilled saltwater pool, pool deck, outdoor shower, and covered upper balcony add outdoor amenities. The building has a metal roof, accordion and metal Bahama shutters, and a mix of central air and a mini-split system. Storage includes three large outdoor-access rooms and a shed.
The property is in Key Colony Beach, a municipality with no HOA, and is zoned R-2A - Key Colony Two Fam. Seven-day rentals are allowed. The listing also notes access to Vaca Cut and nearby recreational facilities, including a golf course, tennis and pickleball courts, and parks.
The property is in Key Colony Beach, a municipality with no HOA, and is zoned R-2A - Key Colony Two Fam. Seven-day rentals are allowed. The listing also notes access to Vaca Cut and nearby recreational facilities, including a golf course, tennis and pickleball courts, and parks.
Key Highlights
- 2,540 square feet on a 0.15‑acre waterfront lot
- Two residences: upper level has 2 bedrooms and 2 bathrooms; lower level has 1 bedroom and 1.5 bathrooms
- 60‑foot deep‑water dock with a 15K lbs. boat lift installed in 2022
Property Analytics
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Lease Details
2
Residential units
Location Intelligence
Trade Area within ½ mile
172
Businesses Nearby
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Business Placement
Demographics for 33051, FL
790
Population
1,132
Households
0.7
Avg Household Size
63
Median Age
48%
College-Educated
95%
High-School Grad
0.4 sq mi
ZIP Area
1,975
Density / Sq Mi
$94,531
Median Household Income
$38,860
Median Earnings
$1,849
Median Rent
$834,800
Median Home Value
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Market
Average Price Trend$/SF for Duplexes in Monroe County, FL
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Frequently Asked Questions
What type of property is this?
Duplex - Two separately configured residences each include a full kitchen, supporting independent occupancy.
Where is this duplex located?
The property is located at 330-340 4Th Street Key Colony Beach, FL.
What is the asking price?
The asking price for this property is $1,795,000.
What are key features of this property?
This property features: 2,540 square feet on a 0.15‑acre waterfront lot; Two residences: upper level has 2 bedrooms and 2 bathrooms; lower level has 1 bedroom and 1.5 bathrooms; 60‑foot deep‑water dock with a 15K lbs. boat lift installed in 2022
