103 52nd St, Marathon, FL 33050
Property image
Property image
FOR SALE
3D VIEW

$2,100,000

Original price: $2,200,000
  • 5 Beds
  • 3.5 Baths
  • 1,924 sqft

103 52nd St, Marathon, FL 33050

Est. Mortgage $12,129/mo*
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Home Highlights

Parking
Garage
Outdoor
Porch, Patio, Deck, Pool
HOA
None
Price/Sqft
$1,091
Climate Control
Heating & Central Air, Ceiling Fans
Listed
115 days ago

Local Information

  • Map ViewExplore the area around 103 52nd St.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

About this House

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.
Last check for updates: about 22 hours ago
Listing courtesy of Lindsey N. Davis, (305) 395-2380
Ocean Sotheby's International Realty
Source: FLKMLS, MLS#619765
Also Listed on FLKMLS.

Home Details for 103 52nd St

Interior Features

Beds & Baths
Number of Bedrooms: 5Number of Bathrooms: 4Number of Bathrooms (full): 3Number of Bathrooms (half): 1
Dimensions and Layout
Living Area: 1924 Square Feet
Appliances & Utilities
Appliances: More Appliances, Washer, Dryer, Dishwasher, Refrigerator, Range, Oven, Microwave, Disposal, Freezer, Stainless Steel Appliance(s)DishwasherDisposalDryerMicrowaveRefrigeratorWasher
Heating & Cooling
Heating: Has Heating Unspecified TypeHas CoolingAir Conditioning: Central Air,Wall/Window Unit(s),Ceiling Fans(s)Has HeatingHeating Fuel: Has Heating Unspecified Type
Windows, Doors, Floors & Walls
Flooring: Tile, Carpet, Combination
Levels, Entrance, & Accessibility
Floors: Tile, Carpet, Combination
View
No View
Security
Security: Security System

Exterior Features

Exterior Home Features
Patio / Porch: Open Porch/Balcony, Deck, PatioFencing: Fenced, PrivacyExterior: Chickee Hut, Fruit Tree(s), Lighting, Outdoor Shower, StorageHas a Private Pool
Parking & Garage
Has a CarportHas a GarageNo Attached GarageHas Open ParkingParking: Open,RV Carport,Storage
Pool
Pool: In Ground, Salt Water, Concrete, DeckedPool
Frontage
WaterfrontOn Waterfront

Days on Market

Days on Market: 115

Property Information

Year Built
Year Built: 2004
Property Type / Style
Property Type: ResidentialProperty Subtype: Single Family Residence
Building
Construction Materials: Combo Construction
Property Information
Parcel Number: 00325100000000

Price & Status

Price
List Price: $2,100,000Price Per Sqft: $1,091

Active Status

MLS Status: Active

Media

Location

Direction & Address
City: MarathonCommunity: Marameade Amd (49.5)

Agent Information

Listing Agent
Listing ID: 619765

Building

Building Area
Building Area: 1924 Square Feet

HOA

HOA Fee Includes: NoneNo HOAHOA Fee: No HOA Fee

Lot Information

Lot Area: 8276.4 sqft

Offer

Listing Terms: Seller Finance Psble, Cash, Conventional, FHA

Rental Terms, Policies & Fees

Furnished

Miscellaneous

Mls Number: 619765

Around this home

What Locals Say about Marathon

At least 61 Trulia users voted on each feature.

  • 83 % Say car is needed

  • 79 % Say people would walk alone at night

  • 76 % Say parking is easy

  • 72 % Say it's quiet

  • 70 % Say it's dog friendly

  • 70 % Say yards are well-kept

  • 68 % Say there's holiday spirit

  • 61 % Say it's walkable to restaurants

  • 53 % Say there's wildlife

  • 53 % Say they plan to stay for at least 5 years

  • 51 % Say there are community events

  • 49 % Say kids play outside

  • 45 % Say neighbors are friendly

  • 37 % Say it's walkable to grocery stores

  • 36 % Say there are sidewalks

  • 29 % Say streets are well-lit

Sourced by Trulia users. Learn more about our methodology.
  • 4yrv5tc4qr
    "Seafood festival, theater, music festival, turtle releases, homecoming parade, 4th of July fireworks on the beach"
    1
    Flag
  • Ingridfox
    "people love walking dogs on the beach and dog dog park at Sombrero Beach. A lot of restaurants are dog friendly. This is a great place for dog owners. "
    1
    Flag
  • C E.
    "There is no place for kids to hang out really except for the skate park. There are no malls, no skating rinks, no places for kids to meet safely. "
    1
    Flag
  • Jan M.
    "We have basic public transportation. I’d take a taxi anywhere in town. .............................,,"
    0
    Flag
  • Erin F.
    "There’s plenty of grass, sidewalks and quiet roads to walk along.. plus the public beach is always a dogs favorite adventure.. just pick up after your dog!"
    2
    Flag
  • Thurmankolb
    "Yes! Dog park just down the street. Lots of neighbors know each other by our dogs. Great vets n Marathon and good groomer."
    6
    Flag
  • Thurmankolb
    "Lots of community events and activities. Fishing tournaments, seafood festival, school carnivals, etc... "
    2
    Flag
  • Jamie B.
    "Everyone gets together for the kids at Halloween. We have a community park with special events planned for the kids and the beach is the sight for a special 4th of July. "
    0
    Flag
  • Abiezer31
    "Of course ,the neighbors the owner and dog are very nice I’m very proud living in my house.and this neighborhood "
    3
    Flag
  • Darren S.
    "I live off the beaten path across the street from a golf course. It's very quiet and tranquil. throb marinas surrounding the property and can walk to All shops and stores."
    0
    Flag
  • Cyndiepalmer
    "We are a friendly neighborhood. You walk your street and say Hi anytime. It is a safe street to live "
    0
    Flag
  • Ksperkinson
    "Safe clean near ocean good police pet friendly hospital is coming along in the construction have contract here at hospital looking forward to finding a good place for 3 months"
    0
    Flag
  • Stephanie M.
    "A lot of kids and cars. A fire station that is noisey but nice. Lizards everywhere. There is one hotel on this small island. There are A lot of Vacation homes here and crab catchers. When it rains you can't see the road."
    0
    Flag
  • Lb2071
    "water front community , is a small island called Flamingo Island. We have a 9 hole golf course and just 5 minutes from Publix and Kmart. Sombrero beach is right at the outset of the canals on the Atlantic ocean and the people are very loving and friendly."
    0
    Flag
  • Gonzalez8834
    "Marathon is a great place to life and have a family, very safe, quiet and full of great people. ......"
    0
    Flag
  • Tom A. C. M.
    "I live here (14 years) and love the area. Close accessibility to shopping, schools, churches, golf, beach, walking, biking. "
    0
    Flag
  • Anne K.
    "Lived here for many years and is one of the best places to live in Marathon. Conveniently located near schools, parks, shopping and beach just minutes away."
    0
    Flag
  • Debra G.
    "Only 8 miles from Marathon. Away from the winter traffic, airport noise. Crystal clean, flow through canals. Great place to vacation and a great place to live. "
    0
    Flag

Market trends in Marathon

Last updated July 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$774K
$51.67KMoM
Sale-to-List Price
—
Price per sq ft
$630
$2MoM
Available listings
260
8MoM

Home Value

Trulia Estimate
$2M
Since last month
Increased$30K (+1.5%)
Since last year
Increased$402K (+25.2%)
Since last sale
Increased$872K (+77.5%)
Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.

Trulia Estimate

The of this home's value increased by +206% in the last 10 years
MonthEstimated value
2026
August 2026$2M
July 2026$1.97M
June 2026$2.06M
May 2026$2.09M
April 2026$1.6M
March 2026$1.58M
February 2026$1.57M
January 2026$1.53M
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016

Comparable sales

These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.
Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
104 52nd St, Marathon, FL
0.03
Single-Family Home
$1,300,000
12/12/25
3
3
1,481
104 52nd Street Ocean, Marathon, FL
0.03
Single-Family Home
$1,300,000
12/12/25
3
3
1,481
1850 Manor Ln, Marathon, FL
0.38
Single-Family Home
$1,507,500
03/27/26
4
3
2,302
231 Sombrero Beach Rd #1, Marathon, FL
0.36
Single-Family Home
$1,151,000
05/01/26
4
3
1,888
4800 Overseas Hwy #14, Marathon, FL
0.33
Single-Family Home
$2,600,000
06/05/26
4
4.5
2,665
234 49th St Ocean, Marathon, FL
0.14
Single-Family Home
$875,000
03/31/26
2
2
1,077
1450 52nd St, Marathon, FL
0.34
Single-Family Home
$799,500
01/20/26
3
2
1,440
223 Sombrero Beach Rd #1, Marathon, FL
0.33
Single-Family Home
$1,325,000
12/19/25
4
3
1,888
1545 Eastward Ho Ln, Marathon, FL
0.38
Single-Family Home
$699,000
12/12/25
3
2
1,586

Nearby home prices

Get a sense of expected prices in the area by checking the value of nearby homes.
Address
Distance
Price
Bed
Bath
Sqft
Status
252 51st Street Ocean St, Marathon, FL 33050
0.03
$532,000
2
1
768
Off Market
202 51st St, Marathon, FL 33050
0.04
$706,400
2
1
1,053
Off Market
202 51st Street Ocean St, Marathon, FL 33050
0.04
$495,900
2
1
1,053
Off Market
104 52nd St, Marathon, FL 33050
0.03
$1,300,000
3
3
1,481
Recently Sold
104 52nd Street Ocean, Marathon, FL 33050
0.03
$1,300,000
3
3
1,481
Recently Sold
9 Sombrero Blvd #110, Marathon, FL 33050
0.04
$458,200
2
2
1,001
Off Market
9 Sombrero Blvd #202, Marathon, FL 33050
0.04
$330,000
2
2
1,001
Recently Sold
9 Sombrero Blvd #204, Marathon, FL 33050
0.04
$429,400
2
2
1,001
Off Market
9 Sombrero Blvd #205, Marathon, FL 33050
0.04
$530,000
2
2
1,001
Recently Sold
9 Sombrero Blvd #108, Marathon, FL 33050
0.04
$509,000
2
2
1,001
For Sale
11 Sombrero Blvd #5E, Marathon, FL 33050
0.06
$323,500
1
1
647
Off Market

Price and Tax history

DateEventPrice
Jul 7, 2026
Source: FLKMLS #619765
PriceChange
$2,100,000
Price decreased by 5%
May 5, 2026
Source: Key West AOR #619765
Listed For Sale
$2,200,000
Mar 14, 2019
Source: FLKMLS #582871
Sold
$1,125,000
Dec 14, 2017
Source: FLKMLS #573327
Sold
$689,000
Aug 24, 2012
Source: MLKAR #558139
Sold
$374,500

LGBTQ Local Legal Protections

Lindsey N. Davis, Ocean Sotheby's International Realty
Agent Phone: (305) 395-2380
MLS Internet Data Exchange (IDX) information is provided exclusively for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, and that the data is deemed reliable but is not guaranteed accurate by the Florida Keys MLS.

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Frequently asked questions about 103 52nd St

  • What is the estimated monthly payment for 103 52nd St?
    Based on a $2,100,000 list price with 20% down at today's rates, the estimated monthly payment for 103 52nd St in Marathon, FL is approximately $12,433 (about $10,923 principal & interest, $1,435 property taxes, and $75 homeowner's insurance). This is an estimate. Actual payment depends on your loan terms.
  • How does the list price for 103 52nd St compare to homes in Marathon?
    103 52nd St in Marathon, FL is listed at $2,100,000, about 171% above the $774K median sale price in Marathon.
  • What do residents say about Marathon?
    Residents describe Marathon, FL as easy to park in, quiet, and dog-friendly. Most residents say you need a car. See homes for sale in Marathon, FL.
  • What are the closest schools to 103 52nd St?
    The closest schools to 103 52nd St in Marathon, FL are Marathon School (Middle/High, rated 5/10), Stanley Switlik Elementary School (Pre-K, rated 5/10).
  • Does 103 52nd St have air conditioning?
    Yes, 103 52nd St in Marathon, FL has air conditioning.
  • Does 103 52nd St have a pool?
    Yes, 103 52nd St in Marathon, FL has a pool.
103 52nd St, Marathon, FL 33050 is a 5 bedroom, 4 bathroom, 1,924 sqft single-family home built in 2004. This property is currently available for sale and was listed by FLKMLS on May 5, 2026. The MLS # for this home is MLS# 619765.