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

57733 Morton Street, Marathon, FL 33050

$14,995,000
Property Type: Residential Bedrooms: 11 Baths: 9 Square Footage: 8,515 Lot Size (sq. ft.): 122,992 Status: Active
Current Price: $14,995,000 List Date: 7/02/2026 Last Modified: 7/22/2026

Description

Welcome to Morton Manor, an exceptional gulf-side waterfront estate set on 2.82 private acres where luxury, privacy, and resort-style living come together in this extraordinary Florida Keys compound. Encompassing 8,515 sq. ft. of living space, this property features a 5-bedroom, 4.5 bath CBS main residence accompanied by two detached guest homes and a garage apartment, offering a total of 11 bedrooms and 8.5 baths designed to comfortably accommodate family and guests alike. The main home showcases an open-concept floor plan with expansive living and dining areas, two wet bars, elevator access, multiple laundry areas, and spacious guest accommodations, creating an ideal setting for both everyday living and large-scale entertaining. The detached bungalows and garage apartment provide additional flexibility for extended family, visitors, or exceptional rental opportunities while maintaining privacy throughout the estate. Impact-rated windows and doors, a durable metal roof, and quality construction provide lasting peace of mind. The outdoor amenities rival those of a private resort. Relax beside the pool, gather beneath multiple tiki huts, challenge friends to a game on the pickleball court or putting green and enjoy beautifully landscaped grounds. Boating enthusiasts will appreciate the 100' dock complete with 30-amp and 50-amp shore power, yacht dockage and 10K & 20K lb boat lifts. Positioned on the gulfside, the property offers easy access to world-class fishing, boating, snorkeling coves, sandbars, and unforgettable sunset cruises. Dining, marinas, and shopping are less than ten minutes away, and the Florida Keys Marathon International Airport is approximately 4 miles from the property for seamless private aviation access. Whether you're searching for a private family compound or an exceptional investment opportunity, Morton Manor offers a rare combination of acreage, waterfront living, luxury amenities, and versatility that is seldom found in the Florida Keys.

More Information MLS# 620489

Contract Information

Listing Board: Key West Association As is Rght to Inspct: Yes Species List: No Current Price: $14,995,000 Listing Date: 2026-07-02 List Price: $14,995,000

Location, Tax & Legal

City: MARATHON Off Shore Island: No Mile Marker: 58 Marathon Neighborhood: Grassy Key Side: Bay/Gulf Flood Zone: AE,AE,VE,VE Alternate Key #: 1458091 Parcel #: 00375020-000000 Zoning: RM - Residential Medium Deed Restrictions: Unknown Legal: SQR 60 LOTS 23-24-25 CRAINS SUBD PB1-51 GRASSY KEY G70-134 Taxes: 40702.97 Tax Year: 2025 Pub Sewer HkUp: Yes Street #: 57733 Street Name: Morton Street Suffix: Street Key/Island: Marathon State/Province: FL Zip Code: 33050 County: Monroe Subdivision: Crains Sub (58.0) Area: 19 - Crawl Key & Grassy Key

General Property Description

Realtor.COM Type: Residential - Single Family Waterfront: Yes Control Depth: 4 Lot SqFt: 122992 Pool: Yes Lot Sqft Source: Property Data Card Total Units: 0 Acres: 2.82 SqFt Source: Seller Rentals Allowed: With Restrictions Min Rental Days: 7 Style: Single Family Year Built: 2001 Living Apx SqFt: 8515 Total Bedrooms: 11 Full Baths: 8 Half Baths: 1 Total Baths: 9

Remarks & Misc

Remarks – Consumer: Welcome to Morton Manor, an exceptional gulf-side waterfront estate set on 2.82 private acres where luxury, privacy, and resort-style living come together in this extraordinary Florida Keys compound. Encompassing 8,515 sq. ft. of living space, this property features a 5-bedroom, 4.5 bath CBS main residence accompanied by two detached guest homes and a garage apartment, offering a total of 11 bedrooms and 8.5 baths designed to comfortably accommodate family and guests alike. The main home showcases an open-concept floor plan with expansive living and dining areas, two wet bars, elevator access, multiple laundry areas, and spacious guest accommodations, creating an ideal setting for both everyday living and large-scale entertaining. The detached bungalows and garage apartment provide additional flexibility for extended family, visitors, or exceptional rental opportunities while maintaining privacy throughout the estate. Impact-rated windows and doors, a durable metal roof, and quality construction provide lasting peace of mind. The outdoor amenities rival those of a private resort. Relax beside the pool, gather beneath multiple tiki huts, challenge friends to a game on the pickleball court or putting green and enjoy beautifully landscaped grounds. Boating enthusiasts will appreciate the 100' dock complete with 30-amp and 50-amp shore power, yacht dockage and 10K & 20K lb boat lifts. Positioned on the gulfside, the property offers easy access to world-class fishing, boating, snorkeling coves, sandbars, and unforgettable sunset cruises. Dining, marinas, and shopping are less than ten minutes away, and the Florida Keys Marathon International Airport is approximately 4 miles from the property for seamless private aviation access. Whether you're searching for a private family compound or an exceptional investment opportunity, Morton Manor offers a rare combination of acreage, waterfront living, luxury amenities, and versatility that is seldom found in the Florida Keys. Directions: From US-1, turn Gulf side onto Kyle Ave. Turn right onto Morton St. Home will be on your left.

Association Info

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

Fee Includes

None: 1

Dockage

Dock Length: 100 Dock: Concrete Basin: 1 Boat Lift: 1 Boat Ramp: 1

Tax Exemptions

None: 1

Appliances

Dishwasher: 1 Dryer: 1 Ice Machine: 1 Microwave: 1 Oven: 1 Range: 1 Refrigerator: 1 Stainless Steel Appliance(s): 1 Washer: 1 Wine Cooler: 1

Pets

Pets Allowed: 1

Cooling

Central Air: 1

Waterfront

Bay Front: 1 Gulf Front: 1 Open Water: 1

Waterview

Bay/Gulf View: 1

Floor

Tile: 1

Interior Features

Bar: 1 Built-in Cabinets: 1 Cathedral Ceilings: 1 Elevator: 1 Entrance Foyer: 1 Storage: 1 Tray Ceilings: 1 Walk-in Closet(s): 1

Property Condition

Updated/Remodeled: 1

Specialty Rooms

Laundry Room: 1 Utility Room: 1

Building Style

Above Flood: Unknown

Windows/Doors

Impact Rstnce Doors: 1 Impact Rstnce Window: 1

Vehicle Storage

Car(s): 4+ Carport: 1 Covered Parking: 1 Garage: 1 Guest Parking: 1 Open Parking: 1 RV Parking Open: 1 Detached: 1 Off Street Parking: 1 Trailer Storage: 1

Security

Electric Gate: 1

Construction

CBS: 1 Combo Construction: 1

Land Size

2 Less Than 5 Acres: 1

Furnished

Negotiable: 1

Terms

Cash: 1 Conventional: 1

Utilities

Buyer to Verify: 1 FKAA: 1 Municipal Sewer: 1

Porch/Balcony

Patio: 1 Screened P/B: 1

Title

Negotiable: 1

Exterior Features

Chickee Hut: 1 Detached Guest Qtrs: 1 Fencing: 1 Fruit Tree(s): 1 Hot Tub: 1 Lighting: 1 Sandy Beach: 1 Storage: 1 Tennis Court(s): 1

Pool Info

In Ground: 1

Roof

Metal Roof: 1

Status Change Info

Status: Active

Property Features

Fee Includes: None Tax Exemptions: None Waterfront: Bay Front; Gulf Front; Open Water Waterview: Bay/Gulf View Dockage: Basin; Boat Lift; Boat Ramp Property Condition: Updated/Remodeled Vehicle Storage: Garage; Carport; Detached; Covered Parking; Guest Parking; Off Street Parking; Open Parking; RV Parking Open; Trailer Storage Furnished: Negotiable Cooling: Central Air Utilities: Buyer to Verify; FKAA; Municipal Sewer Interior Features: Bar; Built-in Cabinets; Cathedral Ceilings; Elevator; Entrance Foyer; Storage; Tray Ceilings; Walk-in Closet(s) Specialty Rooms: Laundry Room; Utility Room Appliances: Dishwasher; Dryer; Ice Machine; Microwave; Oven; Range; Refrigerator; Stainless Steel Appliance(s); Washer; Wine Cooler Exterior Features: Chickee Hut; Detached Guest Qtrs; Fencing; Fruit Tree(s); Hot Tub; Lighting; Sandy Beach; Storage; Tennis Court(s) Pool Info: In Ground Construction: CBS; Combo Construction Floor: Tile Roof: Metal Roof Pets: Pets Allowed Security: Electric Gate Land Size: 2 Less Than 5 Acres Terms: Cash; Conventional Title: Negotiable
Listing Office: Coldwell Banker Schmitt Real Estate Co
Last Updated: July - 22 - 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.