781 9th St

Key Colony Beach, FL 33051

$3,250,000
Last Sold Price
3
Beds
2,600 Sq. Ft.
$1,250 / Sq. Ft.
2,600
Sq. Ft.
$1,250
per Sq. Ft.
Get preapproved with Rocket Mortgage1
Closed 4/9/26
Closed 4/9/26
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Description

The Ultimate Keys Compound: A Shelter Bay MasterpieceWelcome to your dream home in Key Colony Beach. Perched on a premier 0.39-acre point lot, 781 9th Street offers an unparalleled 276 feet of deep-water frontage, making it a crown jewel for serious offshore anglers and sunset seekers alike. Step inside to an airy, open-concept sanctuary where the line between indoors and outdoors disappears. Take the elevator to the gourmet kitchen which serves as the heart of the home, featuring premium appliances,...The Ultimate Keys Compound: A Shelter Bay MasterpieceWelcome to your dream home in Key Colony Beach. Perched on a premier 0.39-acre point lot, 781 9th Street offers an unparalleled 276 feet of deep-water frontage, making it a crown jewel for serious offshore anglers and sunset seekers alike. Step inside to an airy, open-concept sanctuary where the line between indoors and outdoors disappears. Take the elevator to the gourmet kitchen which serves as the heart of the home, featuring premium appliances, island, and abundant cabinetry space, perfect for hosting apres-sea gatherings. The master suite is a private retreat with direct access to the wraparound balcony with amazing westward views and a spa-like ensuite bathroom featuring a jetted tub and a separate walk-in shower. The exterior is designed for the ''Keys Life'' at its most vibrant. Whether you're launching a world-class fishing expedition from your 55-foot cut-in slip or enjoying a ''staycation'' by the resort-style pool, the amenities are endless. Kids and adults alike will love the 9-foot deep pool with its own waterslide and splash pad. As the sun sets over Shelter Bay, move to the outdoor kitchen and bar to grill your fresh catch while catching the game on the outdoor TV and enjoying a beautiful Keys Sunset within view to the west. Located in the prestigious Key Colony Beach community, you are just a short boat ride (5 miles) from the iconic Sombrero Light and world-class diving. Enjoy the amenities of KCB, a marina, parks, shops, restaurants, tennis courts, and nearby golf, all while maintaining the seclusion of a private gated, point-lot estate. Large vessels are no problem here with a deep water 55x24 protected slip, and additional boat lift and all the seawall you could want for multiple water toys! Draft is no problem for larger vessels.
  1. Listed by Mark Gable • Engel & Volkers Marathon

Property Details for 781 9th Street

Waterfront
Canal Front, Open Water
Waterfront
Yes
Zoning
R-1A - Key Colony Single Family
Subdivision
Key Colony Bch 1st Addn Amd Plat (53.5)
Directions
US1 to Sadowski Causeway. Right turn on W Ocean drive, right turn on 9th street. Home at the end of the street. Gated.
Vehicle Storage
Garage, Off Street Parking, Attached
Pets
Pets Allowed
LISTING UPDATED: 04/09/2026 11:56 AM

Property Details for 781 9th Street

StatusClosed
MLS #618752
Days on Market12
Taxes$24,065 / year
HOA Fees-
Condo/Co-op Fees-
Property TypeSingle Family
MLS TypeResidential / Single Family
Year Built1977
Lot Size0.36 AC / 15,891 SF
CountyMonroe County
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Location

Listing Courtesy of Engel & Volkers Marathon

Sold By Coldwell Banker Schmitt Real Estate Co.

Add your commute

Building Information for 781 9th Street

Stories2Year Built1977Building Size-Lot Size0.36 AC / 15,891 SF

Payment Calculator

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$18,371 per month

30 year fixed, 6.46% Interest

Principal and Interest

$16,365

Property Taxes

$2,005

HOA Dues

$0

The Payment Calculator is for illustrative purposes only.

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Property Information for 781 9th Street

Summary
Location and General Information
  • Waterview: Canal View, Open Water View
  • Area: 17 - Vaca Cut - Both Sides Holiday Inn/Key Colony
  • Absolute Longitude: 81.023602
  • Control Depth: 10
  • Off Shore Island: No
  • Listing Board: Marathon/Lower Keys
  • Side: Ocean
  • Mile Marker: 53.5
  • Marathon Neighborhood: Marathon East - Gulf (Airport to Vaca)
  • Key/Island: Key Colony
Taxes and HOA Information
  • Association Info: Mandatory Home Owners Asc: No
  • Association Info: 1st Right of Refusal: No
  • Fee Includes: None
  • Furnished: Negotiable
  • Tax Year: 2025
  • Tax Exemptions: None
Property
Lot Information
  • Lot Size: X
  • Acres: 0.39
  • SqFt Remarks: Huge bonus space on ground floor, great for recreation room off the pool!
  • Parcel #: 00075800-000000
  • Land Size: 1/4 - 1/2 Acre
Property and Assessments
  • Legal: BK 10 LT 35 KEY COLONY BEACH FIRST ADDN AMD PLAT PB4-11 SHELTER KEY
  • MLS Approved: Y
  • SqFt Source: Property Data Card
  • Flood Zone: AE
  • Rentals Allowed: With Restrictions
  • Deed Restrictions: Unknown
  • Picture Count: 95
  • Document Count: 0
  • Building Style: Above Flood: Yes
  • Property Condition: Updated/Remodeled
Utilities
  • Utilities: Community Swr Plant, Municipal Sewer
  • Pub Sewer HkUp: Yes
  • Species List: No
  • Pool: Yes
  • Handicap Access: Yes
  • Pool Info: In Ground
  • Porch/Balcony: Open Porch/Balcony
Interior and Exterior Features
Interior Features
  • Interior Features: Pantry, Quartz Countertops, Window Treatments, Whirlpool Bath Tub, Storage, Elevator, Built-in Cabinets
  • Pre-Wired: Cable
  • Appliances: Washer, Microwave, Oven, Refrigerator, Dishwasher, Dryer
Exterior Features
  • Dockage: Dock Length: 276
  • Dockage: Seawall: Concrete
  • Construction: CBS
  • Dockage: Boat Lift, Other Dockage, Basin
Room Information
  • Specialty Rooms: Laundry Room, Workshop, Utility Room, Sauna/Steam Room

Property History for 781 9th Street

DateEvent & SourcePriceAppreciation
Apr 9, 2026

Sold

FKMLS #618752

$3,250,000—
Mar 4, 2026

Pending

FKMLS #618752

—
Feb 20, 2026

Listed (Active)

FKMLS #618752

$3,250,000—
Sep 26, 2023

Sold (Public Record)

Public Record #1520195137

$3,005,000

+5.3% / yr

Sep 26, 2023

Sold

FKMLS #603186

$3,005,000—
Sep 19, 2023

Backup Contract

FKMLS #603186

—
Sep 13, 2023

Pending

FKMLS #603186

—
May 30, 2023

Listed (Active)

FKMLS #603186

—
Mar 10, 2023

Temp Off Market

FKMLS #603186

—
Nov 22, 2022

Price Change

FKMLS #603186

$3,674,900—
Nov 22, 2022

Price Change

FKMLS #603186

$3,450,000—
Nov 22, 2022

Listed (Active)

FKMLS #603186

$3,250,000—
Apr 15, 2003

Sold (Public Record)

Public Record #113350082

$1,040,000—
DateEvent & SourcePrice
04/09/2026

Sold

FKMLS #618752

$3,250,000
03/04/2026

Pending

FKMLS #618752

—
02/20/2026

Listed (Active)

FKMLS #618752

$3,250,000
09/26/2023

Sold (Public Record)

Public Record #1520195137

$3,005,000

+5.3% / yr

09/26/2023

Sold

FKMLS #603186

$3,005,000
09/19/2023

Backup Contract

FKMLS #603186

—
09/13/2023

Pending

FKMLS #603186

—
05/30/2023

Listed (Active)

FKMLS #603186

—
03/10/2023

Temp Off Market

FKMLS #603186

—
11/22/2022

Price Change

FKMLS #603186

$3,674,900
11/22/2022

Price Change

FKMLS #603186

$3,450,000
11/22/2022

Listed (Active)

FKMLS #603186

$3,250,000
04/15/2003

Sold (Public Record)

Public Record #113350082

$1,040,000

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Public Records for 781 9th Street

Taxable ValueLand$1,438,266Additions$1,105,457Total$2,543,723
Tax Record2024$24,225 ($2,019 / month)
Home Facts
Beds3Baths3Total Finished SqFt2,600 SqFtAbove Grade Finished SqFt2,600 SqFtStories2Lot Size17,011 SqFtStyleSingle Family ResidenceYear Built1977Year Renovated2010CountyMONROEAPN00075800-000000

Schools near 781 9th Street

This home is within Monroe.
Rating
School
Type
Grades
Distance
Stanley Switlik Elementary School
Public - PK to 5
Marathon School
Public - 6 to 12
Coral Shores High School
Public - 9 to 12
Big Pine Academy
Charter - PK to 5
Rating
School
Distance
Stanley Switlik Elementary School
PublicPK to 5

Marathon School
Public6 to 12

Coral Shores High School
Public9 to 12

Big Pine Academy
CharterPK to 5

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity. Subject to change at any time. Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties make no guarantee, warranty or representation regarding the accuracy of any waterfront feature, water view or waterfront view.

Listing Courtesy of Engel & Volkers Marathon

Based on information from one of the following Multiple Listing Services: Beaches Multiple Listing Service, Inc., Martin County REALTORS® of the Treasure Coast, Inc., Miami Association of REALTORS®. Information being provided is for the visitor’s personal, noncommercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. The data contained herein is copyrighted by Beaches Multiple Listing Service, Inc., Martin County REALTORS® of the Treasure Coast, Inc., Miami Association of REALTORS® is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited. Property information referenced on this web site comes from the Internet Data Exchange (IDX) program of the MLS. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. For the avoidance of doubt, the accuracy of all information, regardless of source, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals.