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103 52nd Street, Marathon, FL - photo 1
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103 52nd Street, Marathon, FL - photo 2
103 52nd Street, Marathon, FL - photo 3
103 52nd Street, Marathon, FL - photo 4
103 52nd Street, Marathon, FL - photo 5
+49

$2,100,000

5 beds4 baths1,924 sqft|619765 MLS#

103 52nd Street, Marathon, FL 33050

Est.$12,600/moGet pre-qualified

Single Family Residence

Residential

Built in

2004

Lot size

8,276 sqft

Price/sqft

$1091

HOA

None

Listed by: Lindsey N. Davis 305-395-2380, Ocean Sotheby's International Realty 305-712-8888

Source:Florida Keys MLS (FLKMLS)|MLS #619765

Get price drop alert on this property the moment it happen

Preferred Brokerage Partner

Kinsfolk Realty

Kinsfolk Signature Realty

What's special

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.

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Facts & features

Bedrooms & bathrooms

  • Bedrooms:5
  • Bathrooms:4
  • Full bathrooms:0

Heating

  • Has Heating:Yes

Interior area

  • Total structure area:1,924 sqft
  • Total interior livable area:1,924 sqft

Parking

  • Parking features:N/A
  • Garage spaces:0
  • Has attached garage:No

Lot

  • Size:8,276 sqft

Details

  • Parcel number:N/A

Type & style

  • Home type:Single Family Residence
  • Property subtype:Residential

Materials

  • • N/A

Condition

  • Year built:2004

Contact agent

Price history

DateEventPrice
9/14/2026Listed for sale$2,100,000$1091/sqft

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