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Waterfront Duplex with Private Pool
For Sale
Under Contract
$1,300,000

651 9th Street, Key Colony Beach, FL 33051

Residential, Key Colony, FL

Property Size1,176 SF
Lot Size0.10 Acres
Price / SF$1,105
Days on Market216

Property Features for 651 9th Street

General Information

Property type Residential
Property subtype Duplex
Zoning R-2A - Key Colony Two Fam
Bedrooms 2
Bathrooms 3
Full bathrooms 3
Rooms Bedroom 2, Bedroom 1, Bathroom 3, Bathroom 1, Bathroom 2
Parking features RV
Patio and Porch features Porch
Pets allowed Yes
Pool private 1
Interior features Built-in Cabinets, Granite Counter Top, Dade County Pine, Elevator, Storage, Walk-in Closet(s)
Exterior features Fencing, Lighting
Fencing Fenced
Accessibility Accessible Elevator Installed
Appliances Washer, Dryer, Dishwasher, Refrigerator, Range, Microwave, Disposal, Stainless Steel Appliance(s)
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 Turn right onto 9th Follow down to #651 on left
Standard status Active Under Contract
APN 00075730-000000
Size 1,176 SF
Lot size 0.10 Acres

Taxes and HOA fees

Tax Year 2025
Tax Description BLK 10 N 1/2 LOT 28 KEY COLONY BEACH FIRST ADDN AMENDED PLAT PB4-11 SHELTER KEY
Tax Annual Amount 9607
Legal Description BLK 10 N 1/2 LOT 28 KEY COLONY BEACH FIRST ADDN AMENDED PLAT PB4-11 SHELTER KEY

Utilities

Utilities Cable Available
Heating system Central
Cooling system Central Air
Water front 1

Amenities

updated kitchen
custom baths
screened porch
swimming pool
marble decking
covered patios
uncovered patios
dock
boat lift
air-conditioned storage

Building Details

Year built 1989
Flooring type Tile
Building materials CBS
Roof type Metal
Additional Structures Storage
Listing Agency: Ocean Sotheby's International · Sotheby's International Realty
Listed By: Karen D Raspe · License #3226605
Added: Jan 30 Changed: Sep 3 Last Checked: Sep 3 at 2:06AM
MLS# 618394

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 1,176-square-foot duplex, built in 1989, includes two bedrooms and three bathrooms within a waterfront configuration. Interior features include an elevator, updated kitchen, granite countertops, built-in cabinets, walk-in closet, tile flooring, central heating, and central air. A screened porch, fenced private pool, paved patios, covered and uncovered parking, and tropical landscaping extend the usable living area outdoors.

The property occupies 0.1 acres in Key Colony and fronts a wide, deep canal with a 37.5-foot dock and 15k boat lift. Vaca Cut provides access toward both the open ocean and the Gulf. The property is zoned R-2A - Key Colony Two Fam and includes an air-conditioned storage area with direct access to the patio and dock. Key Colony Beach amenities include marinas, a nine-hole golf course, tennis and pickleball courts, playgrounds, dining, and waterfront Sunset Park.

Key Highlights

  • Waterfront duplex with 1,176 square feet, 2 bedrooms, and 3 bathrooms
  • 37.5‑foot dock with 15k boat lift on a wide, deep canal
  • Private fenced pool with marble decking and paved patios

Property Analytics

Current Use

Duplexes

Lease Details

1
Residential units

Location Intelligence

Trade Area within ½ mile

409
Businesses Nearby

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

8.5% 2022
10.2% 2023
11.4% 2024
11.3% 2025
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Frequently Asked Questions

What type of property is this?
Duplex - Two-bedroom waterfront duplex with elevator, private pool, dock, boat lift, and R-2A zoning in Key Colony.
Where is this duplex located?
The property is located at 651 9th Street Key Colony Beach, FL.
What is the asking price?
The asking price for this property is $1,300,000.
What are key features of this property?
This property features: Waterfront duplex with 1,176 square feet, 2 bedrooms, and 3 bathrooms; 37.5‑foot dock with 15k boat lift on a wide, deep canal; Private fenced pool with marble decking and paved patios
More about this property
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