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For sale
$4,390,000
3beds
2,250sqft

23 Treasure Rd, Marathon, FL 33050

3beds
2,250sqft
Single family residence
Built in 1973
1.55 Acres
Attached garage
$1,951 price/sqft

What's special

Beautifully appointed bedroomsImpeccably maintained waterfront residencePrivate guest suiteOversized parcelTwo separate gated entrancesLush meticulously landscaped settingExpansive finished bonus space

Welcome to an elevated expression of island living at 23 Treasure Road in the heart of the Florida Keys. This impeccably maintained waterfront residence showcases breathtaking panoramic ocean views from every vantage point, including the pool, main living areas, dining space, primary suite, and tiki hut. Designed for effortless entertaining and everyday enjoyment, the pool is ideally positioned on the main living level alongside the kitchen and gathering spaces, creating a seamless indoor-outdoor flow rarely found in waterfront homes. Relax poolside while enjoying ocean breezes and endless blue water views. The upper level features two beautifully appointed bedrooms and three baths, enhanced by impact-rated doors, windows, and hurricane sliders for style and peace of mind. Downstairs, a private guest suite and expansive finished bonus space provide flexibility for guests, entertaining, or recreation. The oversized dual-entry garage accommodates up to three vehicles and offers exceptional space for the Florida Keys lifestyle, with plenty of room for fishing gear, dive equipment, water toys, and additional storage. A dedicated tackle room adds convenience for avid anglers and boaters alike. Along the water's edge, a substantial 200 foot rock seawall provides protection and presence, while the private boat ramp, dock, and boat lift offer effortless access to world-class boating and fishing. Two separate gated entrances welcome you into a lush, meticulously landscaped setting complete with privacy walls, mature hedges, and fencing for a serene and secluded atmosphere. Situated on an oversized parcel, this rare waterfront offering presents an exceptional opportunity to enjoy the ultimate private coastal retreat in the Florida Keys.

121 days
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709
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19
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Source: FLKMLS,MLS#: 619918MLS Logo
Travel times

Living Room

Kitchen

Primary Bedroom

Zillow last checked:

Listing updated:

Listed by:

Nate Bartlett,

Berkshire Hathaway HomeServices Keys Real Estate

Source: FLKMLS,MLS#: 619918MLS Logo

Facts & features

Interior

Bedrooms & bathrooms
  • Bedrooms: 3
  • Bathrooms: 3
  • Full bathrooms: 3
Cooling
  • Central Air, Ceiling Fans(s)
Appliances
  • Included: Washer, Dryer, Dishwasher, Refrigerator, Range, Oven, Microwave
  • Laundry: Laundry Room
Features
  • Storage, Walk-in Closet(s)
  • Flooring: Tile
Interior area
  • Total structure area: 2,250
  • Total interior livable area: 2,250 sqft

Property

Parking
  • Parking features: Attached, Garage Door Opener, Storage
  • Has attached garage: Yes
Features
  • Patio & porch: Open Porch/Balcony, Deck, Patio
  • Exterior features: Chickee Hut, Storage
  • Has private pool: Yes
  • Pool features: Salt Water, Concrete, Decked
  • Fencing: Fenced,Privacy
  • On waterfront: Yes
Lot
  • Size: 1.55 Acres
Details
  • Parcel number: 00105240001200
  • Zoning: R-MH - Residential - MH
  • Other equipment: Irrigation Equipment

Construction

Type & style
  • Home type: SingleFamily
  • Property subtype: Single Family Residence
Materials
  • CBS
Condition
  • Updated/Remodeled
  • New construction: No
  • Year built: 1973

Utilities & green energy

  • Utilities for property: Water Separate Meter, Elect Separate Meter, Cable Available

Community & HOA

Community
  • Features: Beach, Bike Paths
  • Security: No Security
  • Subdivision: Treasure Island (50.0)
HOA
  • Has HOA: No
  • Services included: None
Location
  • Region: Marathon

Financial & listing details

  • Price per square foot: $1,951/sqft
  • Tax assessed value: $2,915,061
  • Annual tax amount: $22,812
  • Date on market: 5/15/2026
  • Listing terms: Cash,Conventional,FHA

Price history

DateEventPrice
5/15/2026Listed for sale$4,390,000-4.5%$1,951/sqft
Source: FLKMLS #619918 Report a problem
5/1/2026Listing removed$4,599,000$2,044/sqft
Source: MLKAR #615997 Report a problem
1/15/2026Price change$4,599,000-7.1%$2,044/sqft
Source: Key West AOR #615997 Report a problem
7/31/2025Listed for sale$4,950,000+241.4%$2,200/sqft
Source: FLKMLS #615997 Report a problem
7/22/2015Sold$1,450,000-8.6%$644/sqft
Source: FLKMLS #567100 Report a problem
4/3/2015Listed for sale$1,586,000+135%$705/sqft
Source: American Caribbean Real Estate Middle Keys #567100 Report a problem
11/12/1999Sold$675,000$300/sqft
Source: FLKMLS #413658 Report a problem

Public tax history

YearProperty taxesTax assessment
2025$22,813 -3%$2,459,752 +10%
2024$23,530 +9.6%$2,236,138 +10%
2023$21,470 +19.8%$2,032,853 +10%
2022$17,920 +3.6%$1,848,048 +9.1%
2021$17,292 +4.6%$1,694,386 +4%
2020$16,526 $1,628,518 -6.8%
2019$16,526 +4.3%$1,747,059 -1%
2018$15,850 +8.9%$1,764,006 +43.8%
2017$14,560 +20.8%$1,226,377 -17.9%
2016$12,054 -19.9%$1,494,192 +13.4%
2015$15,041 $1,317,791

Find assessor info on the county website

Monthly payment

Est. payment
$26,013/mo
Principal & interest
$23013
Property taxes
$3000
More affordability toolsChevron Right

Estimated market value

$3,963,300

$3.77M - $4.16M

Not available

Climate risks

Explore flood, wildfire, and other predictive climate risk information for this property on First Street®️.

Neighborhood: 33050

Nearby schools

Stanley Switlik Elementary School
Grades PK-51.7 miles
5/10
GreatSchools® Rating
Test Score Rating
5/10
Student Progress Rating
4/10
Marathon School
Grades 6-120.9 miles
5/10
GreatSchools® Rating
Test Score Rating
4/10
College Readiness Rating
5/10
Student Progress Rating
6/10