Canal-Front Duplex with 75-Foot
For Sale
$1,700,000
261 - 271 9th Street, Key Colony Beach, FL 33051
Residential, Key Colony, FL
Property Size2,040 SF
Lot Size0.19 Acres
Price / SF$833.33
Days on Market276
Property Features for 261 - 271 9th Street
General Information
Property type
Residential Multi Family
Property subtype
Duplex
Zoning
R-2A - Key Colony Two Fam
Bedrooms
4
Bathrooms
4
Full bathrooms
4
Rooms
Bathroom 2, Bathroom 4, Bedroom 2, Bedroom 3, Bathroom 3, Bedroom 4, Bathroom 1, Bedroom 1
Parking features
RV, Open
Patio and Porch features
Porch
Pets allowed
Yes
Interior features
Storage
Exterior features
Storage
Appliances
Washer, Dryer, Dishwasher, Refrigerator, Range, Microwave, Disposal
Subdivision
Key Colony Bch 1st Addn Amd Plat (53.5)
Directions
Overseas Hwy Mile Marker 53.5 turn at light onto Sadowski/KCB Causeway. Turn right onto W. Ocean Dr. Turn right onto 9th St. Follow to 261 & 271 9th on left.
Standard status
Active
APN
00075530-000000
Size
2,040 SF
Lot size
0.19 Acres
Taxes and HOA fees
Tax Year
2025
Tax Description
BK 10 LT 9 KEY COLONY BEACH FIRST ADDN AMENDED PLAT PB-4-11 SHELTER KEY
Tax Annual Amount
12496
Legal Description
BK 10 LT 9 KEY COLONY BEACH FIRST ADDN AMENDED PLAT PB-4-11 SHELTER KEY
Utilities
Utilities
Cable Available
Cooling system
Central Air
Water front
1
Building Details
Year built
1972
Floors in Building
1
Number of units
2
Flooring type
Tile
Building materials
CBS
Roof type
Metal
Additional Structures
Storage
Listing Agency:
Ocean Sotheby's International · Sotheby's International Realty
(305) 735-4447
Listed By:
Karen D Raspe · License #3226605
(305) 393-9010
Added: Nov 19, 2025
Changed: Aug 19
Last Checked: Aug 22 at 4:06PM
MLS# 617382
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 full duplex at 261–271 9th Street is offered as a single property or as two separate halves. The layout includes 4 bedrooms and 4 bathrooms across more than 2,000 square feet of living space, with updates throughout and a covered carport and storage room on the south side (261). Ample parking is provided for cars, trailers, and other island uses.
The property sits on a 100-foot-wide canal with substantial dockage for boating. The south side (261) has a 42-foot dock, while the north side (271) offers 33 feet of additional dockage, for a combined total of 75 feet. The listing also notes quick access to both the open Ocean and the open Gulf via boat, as well as nearby city amenities including the marina, golf course, and recreational facilities.
The property is zoned R-2A (Key Colony Two Fam), supporting duplex use at this site.
The property sits on a 100-foot-wide canal with substantial dockage for boating. The south side (261) has a 42-foot dock, while the north side (271) offers 33 feet of additional dockage, for a combined total of 75 feet. The listing also notes quick access to both the open Ocean and the open Gulf via boat, as well as nearby city amenities including the marina, golf course, and recreational facilities.
The property is zoned R-2A (Key Colony Two Fam), supporting duplex use at this site.
Key Highlights
- Full duplex on a 100‑foot‑wide canal in Key Colony Beach with dockage and boating access
- 4 bedrooms and 4 bathrooms with over 2,000 SF total living space
- 75 feet of total dockage: 42' dock on the south side (261) and 33' dock on the north side (271)
Property Analytics
Property Profile
Current Use
Lease Details
2
Residential units
Multi-tenant
Tenancy
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
Realmo’s AI knows this listing — price, zoning, demand, history. Ask anything.
Frequently Asked Questions
What type of property is this?
Duplex - Well-maintained duplex on a 100-foot-wide canal, featuring 75 feet of dockage and 4 bedrooms and 4 bathrooms.
Where is this duplex located?
The property is located at 261 - 271 9th Street Key Colony Beach, FL.
What is the asking price?
The asking price for this property is $1,700,000.
What are key features of this property?
This property features: Full duplex on a 100‑foot‑wide canal in Key Colony Beach with dockage and boating access; 4 bedrooms and 4 bathrooms with over 2,000 SF total living space; 75 feet of total dockage: 42' dock on the south side (261) and 33' dock on the north side (271)
