Tucked away on a quiet private enclave just steps from iconic Sombrero Beach, this open-water retreat offers stunning ocean views and an ever-changing palette of turquoise and deep blue waters. Located on exclusive Treasure Road, this is a setting you only drive down if you live there, peaceful, private, and perfectly positioned just moments from the sand.The home features 3 bedrooms and 3.5 baths, with approximately 2,300+ sq ft of living space on an almost 12,000 sq ft lot, including 77 feet of concrete seawall and approximately 89 feet of waterfront. The primary living room showcases high ceilings and expansive sliding glass doors that open directly to incredible open-water views, filling the space with natural light and creating a seamless indoor-outdoor connection. Sunset views stretch across the water, while mature tropical landscaping, shady trees, and a heated 15' x 30' concrete pool create a true island oasis.Each bedroom is an ensuite, offering comfort and privacy, with an additional half bath conveniently located near the pool. The home has wonderful character, a second living area downstairs, a covered lanai ideal for outdoor dining and relaxing, and an upstairs sun deck perfect for soaking in ocean views and sea breezes. Additional features include a circular driveway, garage, and generous outdoor space for entertaining or unwinding.This golf-cart-friendly, family-friendly neighborhood allows you to bike, walk, or run to the beach, grocery store, and some of Marathon's best restaurants, truly one of the most desirable areas in the Keys. Enjoy community events hosted at Sombrero Beach, including the renowned Fourth of July celebration and fireworks. This property has never been rented, though weekly vacation rentals are allowed.A rare offering in one of Marathon's most sought-after neighborhoods, where ocean views, privacy, and the island lifestyle come together effortlessly.
For sale
$1,999,000
42 Treasure Rd, Marathon, FL 33050
3beds
2,313sqft
Est.:
Single Family Residence
Built in 1976
0.27 Acres Lot
$-- Zestimate®
$864/sqft
$-- HOA
What's special
Shady treesWonderful characterSeamless indoor-outdoor connectionIncredible open-water viewsStunning ocean viewsOpen-water retreatQuiet private enclave
- 1 day |
- 920 |
- 71 |
Zillow last checked: 8 hours ago
Listing updated: February 10, 2026 at 11:46am
Listed by:
Monica Jane Barrett 305-433-0349,
Coldwell Banker Schmitt Real Estate Co.,
Rick Bryan Servais 305-731-5010,
Coldwell Banker Schmitt Real Estate Co.
Source: FLKMLS,MLS#: 618576
Originating MLS: Marathon/Lower Keys
Originating MLS: Marathon/Lower KeysTour with a local agent
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 3
- Bathrooms: 4
- Full bathrooms: 3
- 1/2 bathrooms: 1
Heating
- Electric
Cooling
- Central Air, Ductless, Ceiling Fans(s), Wall/Window Unit(s)
Appliances
- Included: Washer, Microwave, Oven, Range, Refrigerator, Dishwasher, Dryer
- Laundry: Laundry Room
Features
- Granite Counters, Walk-In Closet(s), Storage, Pantry, Split Bedroom, Cathedral Ceiling(s), Media Room
- Flooring: Tile, Carpet, Wood
- Doors: Sliding Glass Doors
- Windows: Drapes/Blinds Incl, Window Treatments, Jalousie Windows, Other Windows/Doors, Single Hung Windows, Accordion, Roll Down Electric, Panel
Interior area
- Total interior livable area: 2,313 sqft
Video & virtual tour
Property
Parking
- Total spaces: 4
- Parking features: Garage, Trailer Storage, RV Parking Open, Guest, Open, Attached
- Has attached garage: Yes
- Has uncovered spaces: Yes
Features
- Levels: Two,Ground Level
- Stories: 2
- Patio & porch: Lanai, Open Porch/Balcony, Deck, Patio
- Exterior features: Storage, Rain Gutters
- Has private pool: Yes
- Pool features: Heated, In Ground, Concrete
- Fencing: Fenced,Privacy
- Has view: Yes
- View description: Ocean, Water, Canal
- Has water view: Yes
- Water view: Ocean,Water,Canal
- Waterfront features: Oceanfront, Open Water, Canal Front, Waterfront, Seawall: Concrete, Dock: Concrete, Dock Length: 77
Lot
- Size: 0.27 Acres
- Features: 1/4 - 1/2 Acre
- Residential vegetation: Fruit Tree(s)
Details
- Parcel number: 00105210000000
- Zoning: RM
- Zoning description: Residential Medium
- Special conditions: Standard
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- CBS
- Roof: Combo Roof
Condition
- Year built: 1976
Utilities & green energy
- Electric: Elect Separate Meter
- Sewer: Public Sewer
- Water: Water Separate Meter
- Utilities for property: FKAA, Cable Available, Buyer to Verify
Community & HOA
Community
- Features: Community Boat Ramp, Bike Paths, Airport/Runway, Other, Beach, Tennis Court(s)
- Security: Patrolled Area
- Subdivision: Treasure Island (50.0)
HOA
- Has HOA: No
- Services included: None
Location
- Region: Marathon
Financial & listing details
- Price per square foot: $864/sqft
- Tax assessed value: $1,662,284
- Annual tax amount: $7,828
- Date on market: 2/10/2026
- Listing terms: Cash,Conventional
Estimated market value
Not available
Estimated sales range
Not available
Not available
Price history
Price history
| Date | Event | Price |
|---|---|---|
| 2/10/2026 | Listed for sale | $1,999,000+329.9%$864/sqft |
Source:  MLKAR #618576 Report a problem | ||
| 12/11/2001 | Sold | $465,000+389.5%$201/sqft |
Source:  FLKMLS #505292 Report a problem | ||
| 5/7/1999 | Sold | $95,000-74.7%$41/sqft |
Source: Public Record Report a problem | ||
| 3/31/1998 | Sold | $375,000$162/sqft |
Source: FLKMLS #408486 Report a problem | ||
Public tax history
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $7,828 -2.1% | $886,117 +2.9% |
| 2024 | $7,996 +1.8% | $861,144 +3.7% |
| 2023 | $7,853 +1.4% | $830,649 +3% |
Find assessor info on the county website
BuyAbility℠ payment
Est. payment
$11,933/mo
Principal & interest
$9867
Property taxes
$1366
Home insurance
$700
Climate risks
Neighborhood: 33050
Nearby schools
GreatSchools rating
- 4/10Stanley Switlik Elementary SchoolGrades: PK-5Distance: 1.6 mi
- 5/10Marathon SchoolGrades: 6-12Distance: 0.9 mi
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