103 52nd St Marathon, FL 33050
Marathon AreaEstimated payment $12,433/month
Highlights
- Boat Ramp
- Home fronts a canal
- Furnished
- Covered RV Parking
- Fruit Trees
- Quartz Countertops
About This Home
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.
Listing Agent
Lindsey Stanton
Berkshire Hathaway HomeServices Freewheeler Realty Listed on: 05/05/2026
Home Details
Home Type
- Single Family
Est. Annual Taxes
- $10,953
Year Built
- Built in 2004
Lot Details
- 6,955 Sq Ft Lot
- Home fronts a canal
- Privacy Fence
- Fenced
- Fruit Trees
- Property is zoned RH - Residential High
Home Design
- Shingle Roof
Interior Spaces
- 1,924 Sq Ft Home
- Furnished
- Ceiling Fan
- Storage
- Canal Views
Kitchen
- Oven
- Range
- Microwave
- Freezer
- Dishwasher
- Stainless Steel Appliances
- Quartz Countertops
- Disposal
Bedrooms and Bathrooms
- 5 Bedrooms
- Walk-In Closet
Laundry
- Dryer
- Washer
Home Security
- Home Security System
- Complete Accordion Shutters
- Fire and Smoke Detector
Parking
- Garage
- Carport
- Open Parking
- Covered RV Parking
Outdoor Features
- Outdoor Shower
- Boat Ramp
- Dock made with Composite Material
- Exterior Lighting
- Outdoor Storage
- Tiki or Chickee Hut
Horse Facilities and Amenities
- Trailer Storage
Utilities
- Central Air
- Cooling System Mounted To A Wall/Window
- Cable TV Available
Community Details
- Marameade Amd Subdivision
Listing and Financial Details
- Assessor Parcel Number 00325100000000
Map
Home Values in the Area
Average Home Value in this Area
Tax History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Year | Tax Paid | Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. | Land | Improvement |
|---|---|---|---|---|
| 2025 | $10,953 | $1,214,395 | $757,403 | $456,992 |
| 2024 | $11,524 | $1,213,545 | $757,403 | $456,142 |
| 2023 | $11,095 | $1,198,365 | $757,403 | $440,962 |
| 2022 | $10,277 | $1,082,342 | $420,015 | $662,327 |
| 2021 | $9,632 | $919,984 | $323,619 | $596,365 |
| 2020 | $9,530 | $924,498 | $426,901 | $497,597 |
| 2019 | $7,572 | $810,836 | $402,802 | $408,034 |
| 2018 | $6,012 | $585,338 | $241,689 | $343,649 |
| 2017 | $6,124 | $585,027 | $0 | $0 |
| 2016 | $5,818 | $533,015 | $0 | $0 |
| 2015 | $5,232 | $441,869 | $0 | $0 |
| 2014 | $4,670 | $365,646 | $0 | $0 |
Property History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Event | Price | List to Sale | Price per Sq Ft | Prior Sale |
|---|---|---|---|---|---|
| 07/07/2026 07/07/26 | Price Changed | $2,100,000 | -4.5% | $1,091 / Sq Ft | |
| 05/05/2026 05/05/26 | For Sale | $2,200,000 | +95.6% | $1,143 / Sq Ft | |
| 03/14/2019 03/14/19 | Sold | $1,125,000 | -6.3% | $585 / Sq Ft | View Prior Sale |
| 03/04/2019 03/04/19 | Pending | -- | -- | -- | |
| 11/19/2018 11/19/18 | For Sale | $1,200,000 | +74.2% | $624 / Sq Ft | |
| 12/14/2017 12/14/17 | Sold | $689,000 | -1.4% | $358 / Sq Ft | View Prior Sale |
| 08/17/2017 08/17/17 | Pending | -- | -- | -- | |
| 12/26/2016 12/26/16 | For Sale | $699,000 | -- | $363 / Sq Ft |
Purchase History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Type | Sale Price | Title Company |
|---|---|---|---|
| Warranty Deed | $1,125,000 | None Listed On Document | |
| Warranty Deed | $689,000 | Attorney | |
| Special Warranty Deed | $374,500 | Attorney | |
| Trustee Deed | -- | None Available | |
| Trustee Deed | -- | None Available | |
| Warranty Deed | $50,000 | -- | |
| Warranty Deed | $42,500 | -- | |
| Deed | $9,000 | -- |
Mortgage History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Status | Loan Amount | Loan Type |
|---|---|---|---|
| Open | $600,000 | Purchase Money Mortgage | |
| Closed | $600,000 | Purchase Money Mortgage | |
| Previous Owner | $424,100 | New Conventional | |
| Previous Owner | $195,931 | Credit Line Revolving | |
| Previous Owner | $299,600 | New Conventional | |
| Previous Owner | $454,500 | Credit Line Revolving | |
| Previous Owner | $341,000 | New Conventional |
Source: Florida Keys Board of REALTORS®
MLS Number: 619765
APN: 00325100-000000
Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.
IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed.
- 9 Sombrero Blvd Unit 108
- 9 Sombrero Blvd Unit 208
- 305 50th Street Ocean
- 15 Sombrero Blvd Unit 212W
- 5301 Ocean Terrace Unit 1
- 5301 Ocean Terrace Unit 7
- 5301 Ocean Terrace Unit 7
- 5301 Ocean Terrace Unit 7
- 5301 Ocean Terrace Unit 2
- 440 48th Street Ocean
- 440-442 48th St Unit Ocean
- 746 50th Street Gulf
- 865 50th St Unit Gulf
- 735 50 St Unit Gulf, Marathon
- 875 50th Street Gulf
- 4800 Overseas Hwy Unit 54
- 4800 Overseas Hwy Unit 24
- 865 50th Street Gulf
- 5353 Dogwood Dell St
- 1306 51st Street Gulf
- 800 50th Ct
- 6099 Overseas Hwy Unit LOT 46W
- 6973 Overseas Hwy
- 309 Calzada de Bougainvillea
- 1615 Harbor Dr
- 279 89th Street Ocean Unit SI ID1608678P
- 265 15th St Unit B
- 750 91st Court Ocean
- 1215 97th Street Ocean Unit 11
- 10877 Overseas Hwy Unit 108
- 10877 Overseas Hwy Unit 38
- 10877 Overseas Hwy Unit 37
- 7204 Gulf of Mexico Blvd Unit 204
- 201 E Ocean Dr Unit SI FL3-ID1545795P
- 96 Coco Plum Dr
- 112 Avenue D Unit 1
- 59753 Paradise Place Unit SI ID1602727P
- 59720 Overseas Hwy Unit SI FL3-ID1531779P
- 232 W Seaview Dr
- 273 W Seaview Dr
Ask me questions while you tour the home.