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KAROL MARSDEN, PA          305-395-1975          karolrealtor@gmail.com

800 11Th Street, Key Colony, FL 33051

$3,395,000
Property Type: Residential Bedrooms: 3 Baths: 2 Square Footage: 1,528 Lot Size (sq. ft.): 12,965 Status: Active
Current Price: $3,395,000 List Date: 7/30/2026 Last Modified: 8/23/2026

Description

A Premier Florida Keys Yacht Property! Positioned on an exceptional point lot at the end of 11th Street in Key Colony Beach, this beautifully renovated waterfront residence offers an incredible 300 linear feet of concrete seawall and dockage, creating one of the finest private boating properties in the Middle Keys. Designed for the serious yachtsman, the property comfortably accommodates vessels up to approximately 150 feet, along with additional sportfishing boats, center consoles, tenders, and water toys. Features include two large docks 90 and 110 feet of protected dockage, two 50-amp shore power pedestals, heavy-duty concrete pilings, and a slip with 16,000 lb boat lift. Situated on a wide turning basin with immediate access to both the Atlantic Ocean and the Gulf of America, you'll spend less time navigating canals and more time enjoying world-class fishing, diving, and cruising. Inside, the home has been completely renovated with a bright, contemporary coastal design. The open floor plan is highlighted by walls of impact-rated sliding glass doors that frame panoramic water views and seamlessly connect the living areas to the expansive waterfront patio and dock. The modern kitchen features sleek custom cabinetry, stainless steel appliances, and abundant workspace. Large-format porcelain tile flows throughout the home. The spacious waterfront primary suite enjoys private patio access and beautiful basin views. Updated guest accommodations and a flexible office or 3rd bedroom provide comfortable living for family and friends. Plus a huge 2 car garage. Located in the heart of Key Colony Beach, you're just minutes from restaurants, marinas, golf, pickleball, tennis, parks, and some of the best boating in the Keys. Properties w/ 300 feet of seawall, exceptional yacht dockage, deep-water access, and a beautifully renovated home are extraordinarily rare. If you're an avid angler, yachtsman, or waterfront enthusiast, this is unmatched opportunity!

More Information MLS# 620786

Contract Information

Listing Board: Marathon/Lower Keys As is Rght to Inspct: Yes Current Price: $3,395,000 Listing Date: 2026-07-29 List Price: $3,395,000

Location, Tax & Legal

City: KEY COLONY Off Shore Island: No Mile Marker: 53.5 Marathon Neighborhood: Marathon East - Gulf (Airport to Vaca) Side: Ocean Flood Zone: AE,AE Alternate Key #: 1082252 Parcel #: 00076520-000000 Zoning: R-1A - Key Colony Single Family Deed Restrictions: Yes Legal: BK 11 LT 36 LESS SELY 21.8 FT KEY COLONY BEACH FIRST ADDN AMENDED PLAT PB4-11 SHELTER KEY Taxes: 17155.8 Tax Year: 2025 Pub Sewer HkUp: Yes Street #: 800 Street Name: 11Th 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

General Property Description

Realtor.COM Type: Residential - Single Family Waterfront: Yes Control Depth: 5 Lot Size: 111 x 110W x 61W x 90W x 80 x 24 x 58 Lot SqFt: 12965 Pool: No Total Units: 0 Acres: 0.3 SqFt Source: Tax Records Rentals Allowed: Yes Min Rental Days: 7 Style: Single Family Year Built: 1973 Living Apx SqFt: 1528 Total Bedrooms: 3 Full Baths: 2 Total Baths: 2

Remarks & Misc

Remarks – Consumer: A Premier Florida Keys Yacht Property! Positioned on an exceptional point lot at the end of 11th Street in Key Colony Beach, this beautifully renovated waterfront residence offers an incredible 300 linear feet of concrete seawall and dockage, creating one of the finest private boating properties in the Middle Keys. Designed for the serious yachtsman, the property comfortably accommodates vessels up to approximately 150 feet, along with additional sportfishing boats, center consoles, tenders, and water toys. Features include two large docks 90 and 110 feet of protected dockage, two 50-amp shore power pedestals, heavy-duty concrete pilings, and a slip with 16,000 lb boat lift. Situated on a wide turning basin with immediate access to both the Atlantic Ocean and the Gulf of America, you'll spend less time navigating canals and more time enjoying world-class fishing, diving, and cruising. Inside, the home has been completely renovated with a bright, contemporary coastal design. The open floor plan is highlighted by walls of impact-rated sliding glass doors that frame panoramic water views and seamlessly connect the living areas to the expansive waterfront patio and dock. The modern kitchen features sleek custom cabinetry, stainless steel appliances, and abundant workspace. Large-format porcelain tile flows throughout the home. The spacious waterfront primary suite enjoys private patio access and beautiful basin views. Updated guest accommodations and a flexible office or 3rd bedroom provide comfortable living for family and friends. Plus a huge 2 car garage. Located in the heart of Key Colony Beach, you're just minutes from restaurants, marinas, golf, pickleball, tennis, parks, and some of the best boating in the Keys. Properties w/ 300 feet of seawall, exceptional yacht dockage, deep-water access, and a beautifully renovated home are extraordinarily rare. If you're an avid angler, yachtsman, or waterfront enthusiast, this is unmatched opportunity! Directions: Key Colony Beach 11th St all the way to the end on the right.

Association Info

Mandatory Home Owners Asc: No 1st Right of Refusal: No Association Fee $: 0

Fee Includes

None: 1

Dockage

Dock Length: 300 Dock: Concrete Boat Lift: 1 Seawall: Concrete

Tax Exemptions

None: 1

Appliances

Dishwasher: 1 Dryer: 1 Microwave: 1 Oven: 1 Range: 1 Refrigerator: 1 Stainless Steel Appliance(s): 1 Washer: 1

Pets

Pets Allowed: 1

Cooling

Central Air: 1

Heating

Central: 1

Waterfront

Open Water: 1

Waterview

Open Water View: 1

Floor

Tile: 1

Interior Features

Built-in Cabinets: 1 Drapes/Blinds Incl: 1 Smoke Alarms: 1 Split Bedroom: 1 Storage: 1 Walk-in Closet(s): 1

Property Condition

Updated/Remodeled: 1

Building Style

Above Flood: Yes Ground Level: 1 Stories: 1 Story

Windows/Doors

Impact Rstnce Doors: 1 Impact Rstnce Window: 1

Vehicle Storage

Car(s): 4+ Garage: 1 Off Street Parking: 1 Trailer Storage: 1

Construction

CBS: 1

Land Size

1/4 - 1/2 Acre: 1

Furnished

Negotiable: 1 Unfurnished: 1

Terms

Cash: 1 Conventional: 1

Utilities

Cable Available: 1 FKAA: 1 Sewer Available: 1

Porch/Balcony

Deck: 1 Open Porch/Balcony: 1 Patio: 1

Title

Title Ins - Buyer: 1

Exterior Features

Fencing: 1 Storage: 1

Roof

Metal Roof: 1

Status Change Info

Status: Active

Property Features

Fee Includes: None Tax Exemptions: None Waterfront: Open Water Waterview: Open Water View Dockage: Boat Lift Property Condition: Updated/Remodeled Building Style: Ground Level Vehicle Storage: Garage; Off Street Parking; Trailer Storage Furnished: Negotiable; Unfurnished Cooling: Central Air Heating: Central Utilities: Cable Available; FKAA; Sewer Available Interior Features: Built-in Cabinets; Drapes/Blinds Incl; Smoke Alarms; Split Bedroom; Storage; Walk-in Closet(s) Appliances: Dishwasher; Dryer; Microwave; Oven; Range; Refrigerator; Stainless Steel Appliance(s); Washer Exterior Features: Fencing; Storage Construction: CBS Floor: Tile Roof: Metal Roof Pets: Pets Allowed Land Size: 1/4 - 1/2 Acre Terms: Cash; Conventional Title: Title Ins - Buyer
Listing Office: Florida Keys Real Estate Group
Last Updated: August - 23 - 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.