Waterfront Duplex with
For Sale
Under Contract
$1,549,000
303 Sombrero Beach Road, Marathon, FL 33050
Residential, Marathon, FL
Property Size2,114 SF
Lot Size0.25 Acres
Price / SF$732.73
Days on Market94
Property Features for 303 Sombrero Beach Road
General Information
Property type
Residential Multi Family
Property subtype
Duplex
Zoning
RM-1 - Residential Medium
Bedrooms
4
Bathrooms
4
Full bathrooms
4
Rooms
Bedroom 3, Bathroom 2, Bathroom 3, Bathroom 1, Bathroom 4, Bedroom 4, Bedroom 1, Bedroom 2
Parking features
Open
Patio and Porch features
Porch
Pets allowed
Yes
Pool private
1
Appliances
Washer, Dryer, Dishwasher, Refrigerator, Range, Microwave, Disposal
Subdivision
Sombrero Properties (49.5)
Directions
US 1 to Sombrero Beach Road to address. Right side. Approx. 3/4 of a mile from US 1.
Standard status
Active Under Contract
APN
00355270000701
Size
2,114 SF
Lot size
0.25 Acres
Taxes and HOA fees
Tax Year
2025
Tax Description
The Sombrero Properties Pb5-101 Boot Key Pt Parcel 5-D (Southerly Portion)
Tax Annual Amount
13534
Legal Description
The Sombrero Properties Pb5-101 Boot Key Pt Parcel 5-D (Southerly Portion)
Utilities
Utilities
Cable Available
Cooling system
Central Air
Water front
1
Amenities
pool
dockage
deep-water boating access
decking
front porch
low-maintenance gravel yard
large circular paver driveway
two garages
substantial storage space
washer and dryer
enclosed sun porch areas
Building Details
Year built
1985
Number of units
2
Flooring type
Tile
Building materials
Combo Construction
Listing Agency:
Coldwell Banker Schmitt Real Estate Co.
(305) 743-5181
Listed By:
Sheryl Ann Phillips · License #6502322908
(305) 942-6771
Added: Jun 10
Changed: Sep 3
Last Checked: Sep 11 at 4:06AM
MLS# 620220
Copyright © 2026 Florida Keys Board of REALTORS®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
Investment Insights
Based on property information with market context.
Built in 1985, this stilted duplex contains 2,114 square feet of interior living space arranged as two matching residences. Each side offers 2 bedrooms, 2 bathrooms, an open living and dining area, a kitchen, laundry appliances, and an enclosed sun porch oriented toward the water. Tile flooring and central air serve the interiors.
The waterfront parcel spans 0.25 acres at 303 Sombrero Beach Road in Marathon, approximately 1 mile from Sombrero Beach. Boating improvements include 110 feet of concrete seawall, dockage, and deep-water access. Outdoor amenities include an in-ground pool, decking, a front porch, a circular paver driveway, and open parking with trailer storage.
The lower level provides two garages and additional storage space. The property is zoned RM-1 - Residential Medium and includes cable availability.
The waterfront parcel spans 0.25 acres at 303 Sombrero Beach Road in Marathon, approximately 1 mile from Sombrero Beach. Boating improvements include 110 feet of concrete seawall, dockage, and deep-water access. Outdoor amenities include an in-ground pool, decking, a front porch, a circular paver driveway, and open parking with trailer storage.
The lower level provides two garages and additional storage space. The property is zoned RM-1 - Residential Medium and includes cable availability.
Key Highlights
- 2,114 square feet of interior living space in a full duplex
- Two residences, each with 2 bedrooms, 2 bathrooms, and approximately 1,057 square feet
- 110 feet of concrete seawall with dockage and deep‑water boating access
Property Analytics
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Current Use
Lease Details
2
Residential units
Yes
Paved road access
Location Intelligence
Trade Area within ½ mile
363
Businesses Nearby
Explore this area
Business Placement
Demographics for 33050, FL
10,479
Population
7,314
Households
1.4
Avg Household Size
50
Median Age
34%
College-Educated
90%
High-School Grad
9.1 sq mi
ZIP Area
1,152
Density / Sq Mi
$83,243
Median Household Income
$40,006
Median Earnings
$1,611
Median Rent
$705,600
Median Home Value
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Market
Vacancy Rate% for Multifamily in South region
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Frequently Asked Questions
What type of property is this?
Duplex - Stilted two-unit property with a private pool, dockage, garages, and water views.
Where is this duplex located?
The property is located at 303 Sombrero Beach Road Marathon, FL.
What is the asking price?
The asking price for this property is $1,549,000.
What are key features of this property?
This property features: 2,114 square feet of interior living space in a full duplex; Two residences, each with 2 bedrooms, 2 bathrooms, and approximately 1,057 square feet; 110 feet of concrete seawall with dockage and deep‑water boating access
