Search

103 52nd Street, Marathon, FL 33050

$2,100,000
Property Type: Residential Bedrooms: 5 Baths: 4 Square Footage: 1,924 Lot Size (sq. ft.): 6,955 Status: Active
Current Price: $2,100,000 List Date: 5/05/2026 Last Modified: 7/20/2026

Description

Welcome to Casa Sirena, a refined waterfront retreat in Marathon offering comfort, privacy, and strong investment appeal. Seller Financing available! This five bedroom, three bath home includes a convenient outdoor pool bath and is ideally positioned with water frontage on two sides. Boaters will appreciate 100 feet of durable composite dockage, a jet ski lift, and a private boat ramp shared with just one neighbor. The home enjoys close proximity to Boot Key Harbor, with easy access to waterfront dining by boat, as well as a straightforward route to the Gulf via Knight Key Channel and immediate Ocean access. The surrounding Vaca Key and Boot Key provide a natural buffer, offering added protection from the elements. Outdoor living is central to the property, with lush tropical landscaping, a saltwater pool, tiki hut, and expansive wraparound patios accessible from all rooms. Inside, the open floor plan connects the living, dining, and kitchen areas, creating a comfortable and functional space. The kitchen is equipped with high end appliances suited for everyday use or hosting. Additional features include a spacious two car garage with ample storage, an extra washer and dryer, refrigerator, freezer, and workbench. The home is offered fully furnished and turnkey, ready for personal use or as a vacation rental. Privacy fencing, a security system, and gated dock and ramp access complete the offering.

More Information MLS# 619765

Contract Information

Current Price: $2,100,000 Listing Date: 2026-04-08 Listing Board: Florida Keys List Price: $2,100,000

Location Tax Legal

Street #: 103 Street Name: 52nd Street Suffix: Street Key/Island: Marathon State/Province: FL Zip Code: 33050 County: Monroe Subdivision: Marameade Amd (49.5) Area: 13 - 7 Mile Bridge to Sombrero Bch Rd E & W

General Property Description

Realtor.COM Type: Residential - Single Family Style: Single Family Waterfront: Yes Control Depth: 6 Pool: Yes Year Built: 2004 Lot SqFt: 6955 Acres: 0.19 Living Apx SqFt: 1924 SqFt Source: Property Data Card Total Bedrooms: 5 Full Baths: 3 Half Baths: 1 Total Baths: 4 Rentals Allowed: With Restrictions Min Rental Days: 7

Status Change Info

Status: Active

Association Info

Mandatory Home Owners Asc: No 1st Right of Refusal: No

Dockage

Dock Length: 100 Dock: Composite

Building Style

Above Flood: Yes Stories: 2 Stories

Pool Info

Heated: Yes

Property Features

Fee Includes: None Tax Exemptions: None Waterfront: Canal Front Waterview: Canal View Dockage: Boat Ramp Vehicle Storage: Garage; Carport; Covered Parking; Open Parking; RV Parking Covered; Trailer Storage Furnished: Furnished Cooling: Ceiling Fans(s); Central Air; Wall/Window Unit(s) Heating: Central Utilities: FKAA; Municipal Sewer Interior Features: Quartz Countertops; Security System; Smoke Alarms; Storage; Walk-in Closet(s) Pre-Wired: Cable Appliances: Dishwasher; Disposal; Dryer; Freezer; Microwave; More Appliances; Oven; Range; Refrigerator; Stainless Steel Appliance(s); Washer Exterior Features: Chickee Hut; Fencing; Fruit Tree(s); Lighting; Outdoor Shower; Privacy Wall/Fence; Storage Pool Info: In Ground; Salt Water; Concrete; Decked Construction: Combo Construction Shutters: Accordion Floor: Carpet; Combo; Tile Roof: Shingle Roof Pets: Pets Allowed Land Size: Less Than 1/4 Acre Terms: Cash; Conventional; FHA; Seller Finance Psble; VA
Listing Office: Ocean Sotheby's International Realty
Last Updated: July - 20 - 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.

Contact Us

Or feel free to call anytime - (305) 699-8154

Compare listings

Compare