9300 Overseas Highway, Marathon, FL 33050 (MLS# A11720611)

9300 Overseas Highway, Marathon, FL 33050

$22,000,000

Virtual Tour

https://tours.spacecrafting.com/n-y0jbkr

Property Type: Residential Bedrooms: 5 Baths: 9 Square Footage: 18,482 Status: Closed

Current Price: $22,000,000 List Date: 1/09/2025 Last Modified: 8/16/2026

Overview

Description

This breathtaking five-acre oceanfront estate, with 244 feet of private ocean frontage, is the crown jewel of the Florida Keys. From the moment you pass through the gates, you'll be captivated by a world of elegance, privacy, and unparalleled amenities. At the heart of this premier estate lies a resort-style pool oasis. The custom-designed 5,600+/- square foot main residence showcases exquisite craftsmanship. A separate 2,999 sq.ft. guest house offers a private retreat. A marina provide direct access to the world-famous waters of the Keys. Enjoy the gourmet kitchen, guest suites, movie theater and even the potential for a private hangar. This estate isn't just a home; it's a lifestyle—your personal resort blending tropical serenity, architectural excellence, and unmatched prestige.

Listing Details MLS# A11720611

General Property Information

Property Sub Type: Single Family Residence
Bedrooms Total: 5
Bathrooms Total: 9
Bathrooms Full: 6
Bathrooms Half: 3
Building Area Main: 18482
Living Area Main: 8573
Accessibility Features YN: Yes
Year Built: 2007
Garage YN: Yes
Attached Garage YN: Yes
Garage Spaces: 8
Covered Spaces: 8
Lot Size Area: 216901
Lot Size Acres: 4.98
Lot Size Dimensions: 4.98 acres
Senior Community YN: No
Guest House YN: Yes
Waterfront YN: Yes
Water Frontage Feet: 244
Outdoor Living Spaces YN: Yes
Stories Total: 2
Direction Faces: North
Fireplace YN: Yes
Pool Private YN: Yes
Spa YN: Yes
Furnished: Furnished

Property Features

Accessibility Features: Accessible Doors; Accessible Full Bath; Accessible Hallway(s) Association Fee Includes: Maintenance Grounds Electric: Circuit Breakers Exterior Features: Lighting Flooring: Carpet; Tile; Wood; Other Guest House Features: 1 Bedrooms; 2 Baths; Kitchen; Living Room; Patio Leasing Permitted Details: Okay To Lease Parking Features: Boat Access/Parking; Covered; Electric Vehicle Charging Station(s); Garage Door Opener; RV Access/Parking; Attached; Attached Garage; Garage Property Condition: Resale; Updated/Remodeled Spa Features: Heated; In Ground Appliances: Dishwasher; Disposal; Dryer; Free-Standing Freezer; Gas Range; Ice Maker; Microwave; Refrigerator; Washer Water Heater Details: Electric Water Heater Boat and Dock Features: Electric Available; Marina; Private Dock; Ramp; Water Available; Exclusive Use Construction Materials: Block; CBS Cooling: Ceiling Fan(s); Central Air Fencing: Fenced Heating: Electric Interior Features: Built-in Features; Custom Mirrors; French Doors; High Ceilings; Pantry; Walk-In Closet(s); Wet Bar Levels: Two Listing Terms: Cash; Conventional Lot Features: Fruit Tree(s) Other Structures: Outbuilding Pets Allowed YN: Yes Pets Allowed: No Restrictions Pool Features: Concrete; Equipment Included; In Ground Possession: Close Of Escrow Restrictions: Lease Restrictions Roof: Metal Security Features: Fire Alarm; Fire Sprinkler System; Smoke Detector(s) Sewer: Public Sewer Special Information: Sold As-Is Sprinkler Description: Auto Sprinkler Tax Information: City/County Unit Description: Studio Utilities: Cable Available View: Pool Water Access: No Fixed Bridge; Ocean Access Water Source: Public Water View: Direct Ocean Waterfront Features: Ocean Front Window Features: Plantation Shutters; Skylight(s) Showing Requirements: Appointment Only; Listing Agent Must Accompany Outdoor Living Spaces: Balcony; Deck; Porch Balcony Details: Balcony - Open Porch Details: Porch - Open Contingencies: Inspection Room Types: Den; Maid/In-Law Quarters; Media Room; Workshop Acreage Description: 5 To Less Than 10 Acre Lot

Contract Information

Comp Sale YN: No
Original List Price: 21000000
Occupant Type: Call Listing Agent

Location and Legal

Country: United States
County Or Parish: Monroe
County Parish Name: Monroe
Street Number: 9300
Street Name: Overseas
Street Suffix: Highway
City Name: Marathon
State Or Province: FL
Postal Code: 33050
Postal Zip: 33050
Subdivision Name: Sea Crest Heights
Area: 2980
Geographic Area: Other
Elementary School: Stanley Switlik
Middle Or Junior School: Marathon
High School: Coral Shores
Special Assessment YN: No
Parcel Number: 00100800000000
Zoning: SR
Flood Zone: AE,VE
Directions: Overseas Highway South. Make a U-turn at 92nd Street Ocean. 400 feet turn right and enter private gate at 9300 Overseas Highway, Marathon.

Financial Information

Membership Fee Required YN: No
Tax Annual Amount: 85703
Tax Year: 2023
Tax Legal Description: 1 66 32 KEY VACCAS PT GOV LOT 4 G70-98/99 OR839-1346DC OR926-2275/79 OR995-1422/30 OR1159-1818/19 OR1221-685/86 OR1727-2212/20 OR1438-1207/0

Status Change Information

Major Change Timestamp: 2026-02-06T05:00:00Z
Major Change Type: Status Change
Status Change Date: 2026-02-16
Under Contract Date: 2026-01-16
Close Date: 2026-02-06
Close Price: 22000000
Buyer Financing: Cash

More Information

Entry Information

Entry Level: Yes

Guest House Area Details

Living Area Guest House: 2999

Leasing Permitted Details

Leasing Permitted YN: Yes

Boat and Dock Information

Dock: Yes

Ceiling Fan Details

Number Of Ceiling Fans: 8

Pool Size Details

Pool Size (WxL): 19500

Storm Protection

Electric/Power Shutters: Partial
Impact Glass: Complete
Permanent Generator: Whole House

Buyer Details

Intended Use: Unknown/Withheld

Concessions

Seller Concessions: No

Section Details

Parcel Number MLX: 0000

Originating Details

Originating System Key: 405363510
Originating System ID: M00000151

Room Information

Room Name
Den
Maid/In-Law Quarters
Media Room
Workshop

Listing Office: Coldwell Banker Schmitt Real E

Last Updated: August - 16 - 2026

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