Canal-Front Duplex With
For Sale
$2,845,000
580 & 590 10th Street, Key Colony Beach, FL 33051
MULTI_FAMILY - Key Colony, FL
Property Size4,478 SF
Lot Size0.19 Acres
Price / SF$635.33
Days on Market222
Property Features for 580 & 590 10th Street
General Information
Property type
Residential Multi Family
Property subtype
Duplex
Zoning
R-2A - Key Colony Two Fam
Bedrooms
7
Bathrooms
7
Full bathrooms
7
Rooms
Bathroom 4, Bathroom 3, Bedroom 2, Bathroom 7, Bedroom 4, Bedroom 5, Bathroom 1, Bedroom 6, Bathroom 2, Bathroom 5, Bathroom 6, Bedroom 1, Bedroom 7, Bedroom 3
Patio and Porch features
Patio, Porch
Pets allowed
Yes
Pool private
1
Interior features
Built-in Cabinets, Granite Counter Top
Exterior features
Fencing, Hot Tub, Lighting, Lanai, Outdoor Shower, Storage
Fencing
Fenced
Appliances
Washer, Dryer, Dishwasher, Refrigerator, Range, Oven, Microwave, Stainless Steel Appliance(s)
Subdivision
Key Colony Bch 1st Addn Amd Plat (53.5)
Directions
From HWY 1 travel down Sadowski Cswy, turn right on West Ocean, turn right on 10th St, house is on the right midway down 10th.
Standard status
Active
APN
00075930-000000
Size
4,478 SF
Lot size
0.19 Acres
Taxes and HOA fees
Tax Year
2025
Tax Description
BK10 LT 48 KEY COLONY BEACH FIRST ADDN AMENDED PLAT PB-4-11 SHELTER KEY OR341-309/10 OR566-245 OR722-402 OR1394-1921D/C
Tax Annual Amount
19308
Legal Description
BK10 LT 48 KEY COLONY BEACH FIRST ADDN AMENDED PLAT PB-4-11 SHELTER KEY OR341-309/10 OR566-245 OR722-402 OR1394-1921D/C
Utilities
Cooling system
Central Air
Water front
1
Building Details
Year built
1985
Flooring type
Carpet, Tile
Building materials
CBS
Roof type
Metal
Additional Structures
Storage
Listing Agency:
Berkshire Hathaway HomeServices Keys Real Estate
(305) 743-7636
Listed By:
Nate Bartlett · License #358818989
(305) 743-7636
Added: Dec 22, 2025
Changed: Jul 24
Last Checked: Aug 1 at 11:06AM
MLS# 617788
Copyright © 2026 Marathon and Lower Keys Association 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.
Investment Insights
Based on property information with market context.
This canal-front duplex property features a legal duplex configuration with an interior lockout, offering flexibility to operate as two separate living spaces or as one larger residence. The layout includes a main residence with five bedrooms and four bathrooms, paired with a private two-bedroom, two-bath guest wing. The home includes impact windows and doors, multiple balconies, and several indoor-outdoor living spaces. Outside, the property offers a heated pool and spa, a covered poolside lanai, and approximately 75 feet of concrete dockage.
The offering includes a two-car garage and ample off-street parking. The residence is located at 580 & 590 10th Street in Key Colony, Florida.
Recent exterior improvements include complete concrete spalling repairs and a fresh exterior repaint.
The offering includes a two-car garage and ample off-street parking. The residence is located at 580 & 590 10th Street in Key Colony, Florida.
Recent exterior improvements include complete concrete spalling repairs and a fresh exterior repaint.
Key Highlights
- 7‑bedroom, 7‑bath canal‑front residence built in 1985 with layout supporting a legal duplex with interior lockout
- 5BR/4BA main residence plus private 2BR/2BA guest wing for flexible living or separate rental spaces
- Heated private pool and spa with covered poolside lanai, outdoor shower, and pool bath in the game room
Property Analytics
Property Profile
Current Use
Lease Details
2
Residential units
Location Intelligence
Trade Area within ½ mile
244
Businesses Nearby
Explore this area
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
Market
Vacancy Rate% for Multifamily in South region
Questions? Ask Rey
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Frequently Asked Questions
What type of property is this?
Duplex - Canal-front duplex with two units, impact windows and doors, and a heated pool with spa and dockage.
Where is this duplex located?
The property is located at 580 & 590 10th Street Key Colony Beach, FL.
What is the asking price?
The asking price for this property is $2,845,000.
What are key features of this property?
This property features: 7‑bedroom, 7‑bath canal‑front residence built in 1985 with layout supporting a legal duplex with interior lockout; 5BR/4BA main residence plus private 2BR/2BA guest wing for flexible living or separate rental spaces; Heated private pool and spa with covered poolside lanai, outdoor shower, and pool bath in the game room
