9300 Overseas Highway, Marathon FL 33050

100

Residential Active

$21,000,000

Overview

MLS ID: A11720611

5
Bedrooms

7.5
Bathrooms

8573 Square Feet
Area Size

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.

Details

Updated on February 14, 2026 at 5:06 am

MLS ID A11720611
Price $21,000,000
Property Size 8573 Square Feet
Bedrooms 5
Bathrooms 7.5
Garages 8
Year Built 2007
Property Type Single Family Residence
Property Status Residential

Additional details

MLS Status Active
Building Name Sea Crest Heights
Subdivision Information Boating
Full Bathrooms 6
Half Bathrooms 3
Total Building Area 18482
Building Area Units Square Feet
Pets Allowed 1
Pets Allowed Yes
Cooling Ceiling Fan(s), Central Air
Heating Electric
Flooring Carpet, Other, Tile, Wood
Living Room Features Den/Library/Office, Separate Guest/In-Law Quarters, Guest House, Media Room, Studio Apartment, Workshop
Fireplace Features Fireplace
Window Features Clear Impact Glass, Complete Impact Glass, Partial Electric Power Shutters, Skylight, High Impact Windows, Impact Glass, Plantation Shutters
Bedroom Features At Least 1 Bedroom Ground Level, Primary Bath Shower, Primary Bath Tub, Primary Bedroom Ground Level
Furnished Furnished, Furniture Negotiable
Water front Features Ocean Access, Ocean Front
Security Features Fire Sprinklers, Fire Alarm, Smoke Detector
Roof Metal Roof
Pool 1
Pool Dimensions 19500
Pool Features In Ground, Concrete, Equipment Stays
Patio And Porch Features Deck, Open Balcony, Open Porch
Fencing Fenced
Covered Spaces 8
Parking Features Covered, Electric Vehicle Charging Station(s), Rv/Boat Parking
Construction Materials Concrete Block Construction, CBS Construction, Elevated Construction
Lot Features 5 To Less Than 10 Acre Lot
Lot Size Square Feet 216901
View Direct Ocean, Pool
Frontage Length 244
Direction Faces North
Community Features Boating
Maintenance Includes Maintenance Incl Lawn/Lndscp Care
Style WF/Pool/Ocean Access
Other Equipment Whole House Permanent Generator, Automatic Garage Door Opener
Other Structures Extra Building/Shed, Guest House
Property Condition Completely Renovated
Sewer Public Sewer
Water Source Municipal Water
Type of Association None
Zoning SR
Tax Annual Amount 85703
Tax Year 2023
Days On Market 400