303 Sombrero Beach Road, Marathon, FL 33050

$1,549,000

Virtual Tour

https://idx.paradym.com/idx/4972538

Side B-Primary bedroom w/dresser storage

Side A-dining french doors & full window

Property Type: Residential Bedrooms: 4 Baths: 4 Square Footage: 2,114 Lot Size (sq. ft.): 10,800 Status: Contingent

Current Price: $1,549,000 List Date: 6/10/2026 Last Modified: 6/18/2026

Overview

Description

Waterfront duplex opportunity on Sombrero Beach Road in Marathon, just about 1 mile from Sombrero Beach. This stilted full duplex offers 4 bedrooms, 4 bathrooms, 2,114 square feet of interior living space, a pool, 110 feet of concrete seawall, dockage, and deep-water boating access. Each side features 2 bedrooms, 2 bathrooms, approximately 1,057 square feet, open living and dining areas, kitchen, washer and dryer, and enclosed sun porch areas with water views. The layout works well for a full-time residence, second home, investment property, or a live-on-one-side and rent-the-other setup. Outdoor features include an in-ground pool, decking, front porch, low-maintenance gravel yard, and a large circular paver driveway with plenty of parking and trailer storage. Boaters will appreciate the 110 feet of dockage with room for multiple vessels. The lower level includes two garages and substantial storage space, ideal for fishing gear, boating equipment, a cabana-style setup, or general st ... (Read more)

Listing Details MLS# 620220

Location, Tax & Legal

Street #: 303
Street Name: Sombrero Beach
Street Suffix: Road
Key/Island: Marathon
State/Province: FL
Zip Code: 33050
County: Monroe
Subdivision: Sombrero Properties (49.5)
Area: 14 - Sombrero Area
City: MARATHON
Mile Marker: 49.5
Marathon Neighborhood: Country Club (Sombrero Blvd & Flamingo)
Side: Ocean
Alternate Key #: 00355270000701
Parcel #: 00355270000701
Zoning: RM-1 - Residential Medium - 1
Deed Restrictions: No
Legal: The Sombrero Properties Pb5-101 Boot Key Pt Parcel 5-D (Southerly Portion)
Taxes: 13533.8
Tax Year: 2025
Pub Sewer HkUp: Yes

Contract Information

Listing Board: Marathon/Lower Keys

General Property Description

Realtor.COM Type: Residential - Single Family
Style: Duplex
Waterfront: Yes
Control Depth: 5
Pool: Yes
Year Built: 1985
Total Units: 2
Lot SqFt: 10800
Lot Sqft Source: Property Data Card
Acres: 0.25
Living Apx SqFt: 2114
SqFt Source: Property Data Card
Total Bedrooms: 4
Full Baths: 4
Total Baths: 4
Rentals Allowed: Yes
Min Rental Days: 7

Status Change Info

Contingent: Contingent

Association Info

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

Dockage

Dock Length: 110
Seawall: Concrete

More Information

Building Style

Above Flood: Unknown

Pool Info

Heated: Yes
In Ground: Yes
Fiberglass: Yes

Remarks & Misc

Remarks – Consumer: Waterfront duplex opportunity on Sombrero Beach Road in Marathon, just about 1 mile from Sombrero Beach. This stilted full duplex offers 4 bedrooms, 4 bathrooms, 2,114 square feet of interior living space, a pool, 110 feet of concrete seawall, dockage, and deep-water boating access. Each side features 2 bedrooms, 2 bathrooms, approximately 1,057 square feet, open living and dining areas, kitchen, washer and dryer, and enclosed sun porch areas with water views. The layout works well for a full-time residence, second home, investment property, or a live-on-one-side and rent-the-other setup. Outdoor features include an in-ground pool, decking, front porch, low-maintenance gravel yard, and a large circular paver driveway with plenty of parking and trailer storage. Boaters will appreciate the 110 feet of dockage with room for multiple vessels. The lower level includes two garages and substantial storage space, ideal for fishing gear, boating equipment, a cabana-style setup, or general storage. With its waterfront setting, duplex layout, pool, dockage, and close proximity to Sombrero Beach, this property offers multiple options in one of Marathon's most desirable lifestyle locations. B&BATVAI
Directions: US 1 to Sombrero Beach Road to address. Right side. Approx. 3/4 of a mile from US 1.

Fee Includes

None: Yes

Tax Exemptions

None: Yes

Appliances

Dishwasher: Yes
Disposal: Yes
Dryer: Yes
Microwave: Yes
Range: Yes
Refrigerator: Yes
Washer: Yes

Pets

Pets Allowed: Yes

Cooling

Ceiling Fans(s): Yes
Central Air: Yes

Waterfront

Canal Front: Yes

Waterview

Canal View: Yes

Floor

Tile: Yes

Neighborhood Feature

Beach: Yes
Bike Paths: Yes

Vehicle Storage

Garage: Yes
Open Parking: Yes

Construction

Combo Construction: Yes

Land Size

Less Than 1/4 Acre: Yes

Furnished

Furnished: Yes

Terms

Cash: Yes
Conventional: Yes
Seller Finance Psble: Yes

Utilities

Buyer to Verify: Yes
Cable Available: Yes
Elect Separate Meter: Yes
FKAA: Yes
Municipal Sewer: Yes
Water Separate Meter: Yes

Porch/Balcony

Open Porch/Balcony: Yes
Screened P/B: Yes

Title

Title Ins - Buyer: Yes

Shutters

Panel: Yes

Property Features

Fee Includes: None Tax Exemptions: None Waterfront: Canal Front Waterview: Canal View Vehicle Storage: Garage; Open Parking Furnished: Furnished Cooling: Ceiling Fans(s); Central Air Utilities: Buyer to Verify; Cable Available; Elect Separate Meter; FKAA; Municipal Sewer; Water Separate Meter Appliances: Dishwasher; Disposal; Dryer; Microwave; Range; Refrigerator; Washer Pool Info: In Ground; Fiberglass Construction: Combo Construction Shutters: Panel Floor: Tile Pets: Pets Allowed Neighborhood Feature: Beach; Bike Paths Land Size: Less Than 1/4 Acre Terms: Cash; Conventional; Seller Finance Psble Title: Title Ins - Buyer

Listing Office: Coldwell Banker Schmitt Real Estate Co.

Last Updated: June - 18 - 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.

Search powered by FBS Products