781 9Th Street, Key Colony, FL 33051 (MLS# 618752)

781 9Th Street, Key Colony, FL 33051

$3,250,000

Located in Shelter bay, 276 ft of useable frontage, 55ft cut in boat slip

Front of house, downstairs enclosure has garage and large storage area

150 ft of covered porch overlooking Shelter Bay

Large 9 ft deep pool with slide, splashpad, and water feature

Downstairs enclosure has garage and storage area enclosure

Plenty of room for bikes and SUP storage

Extra laundry, sink, ice machine, and bait freezer enclosure

Property Type: Residential Bedrooms: 3 Baths: 3 Square Footage: 2,600 Lot Size (sq. ft.): 15,891 Status: Closed

Current Price: $3,250,000 List Date: 2/21/2026 Last Modified: 4/09/2026

Overview

Description

The Ultimate Keys Compound: A Shelter Bay Masterpiece Welcome 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 après-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 p ... (Read more)

Listing Details MLS# 618752

Location, Tax & Legal

Street #: 781
Street Name: 9Th
Street Suffix: Street
Key/Island: Key Colony
State/Province: FL
Zip Code: 33051
County: Monroe
Subdivision: Key Colony Bch 1st Addn Amd Plat (53.5)
Area: 17 - Vaca Cut - Both Sides Holiday Inn/Key Colony

Contract Information

Listing Board: Marathon/Lower Keys
As is Rght to Inspct: Yes
Species List: No

General Property Description

Realtor.COM Type: Residential - Single Family
Style: Single Family
Waterfront: Yes
Control Depth: 10
Pool: Yes
Year Built: 1977
Lot SqFt: 15891
Lot Sqft Source: Property Data Card
Acres: 0.39
Living Apx SqFt: 2600
SqFt Source: Property Data Card
Total Bedrooms: 3
Full Baths: 3
Total Baths: 3
Rentals Allowed: With Restrictions
Min Rental Days: 7

Status Change Info

Under Contract Date: 2026-03-04
Leased Date: 2026-04-09

Association Info

Mandatory Home Owners Asc: No
1st Right of Refusal: No

Dockage

Dock Length: 276
Seawall: Concrete

More Information

Building Style

Above Flood: Yes
# Stories: 2 Stories

Property Features

Fee Includes: None Tax Exemptions: None Waterfront: Canal Front; Open Water Waterview: Canal View; Open Water View Dockage: Basin; Boat Lift; Other Dockage Property Condition: Updated/Remodeled Vehicle Storage: Garage; Attached; Off Street Parking Furnished: Negotiable Cooling: Ceiling Fans(s); Central Air Heating: Central Utilities: Community Swr Plant; Municipal Sewer Interior Features: Built-in Cabinets; Elevator; Pantry; Quartz Countertops; Storage; Whirlpool Bath Tub; Window Treatments Pre-Wired: Cable Specialty Rooms: Laundry Room; Sauna/Steam Room; Utility Room; Workshop Appliances: Dishwasher; Dryer; Microwave; Oven; Refrigerator; Washer Pool Info: In Ground Construction: CBS Pets: Pets Allowed Land Size: 1/4 - 1/2 Acre Terms: Cash; Conventional; Seller Finance Psble

Listing Office: Engel & Völkers Marathon

Last Updated: April - 09 - 2026

The data relating to real estate for sale on this web site comes in part from the Florida Keys MLS, Inc. Information provided is deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. The information being provided is for consumers’ personal, non-commeral use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. IDX data is deemed reliable but is not guaranteed accurate by the MLS.