Huge Direct Oceanfront Compound — One-of-a-Kind with 276-Foot Concrete Dock
Adjacent to World-Famous John Pennekamp, Coral Reef State Park & Molasses Reef.
Discover a truly exceptional and private oceanfront compound designed for boating enthusiasts, investors, or multi-generational living. Spread across three expansive lots, this rare property includes two distinct homes and direct water access — a combination that’s nearly impossible to find in today’s market.
The primary residence features 3 bedrooms and 2 full baths, offering bright, comfortable living spaces and sweeping ocean views. The second home, complete with 2 bedrooms and 2 baths on a separate meter, is ideal for guests, extended family, or short-term rental opportunities.
Step outside to unparalleled oceanfront living with a 276-foot concrete dock, perfect for accommodating large vessels, fishing, and launching watercraft. The grounds offer generous room for entertaining, expansion, or simply enjoying the peaceful surroundings of this secluded coastal haven.
Highlights:
3 lots with two homes and a 276-ft dock
Direct ocean access — idea for boating on the Ocean or Bay.
Steps from John Pennekamp Coral Reef State Park
Perfect for entertaining, investing, or creating a family retreat
Unmatched privacy and coastal lifestyle potential.
Adjacent to World-Famous John Pennekamp, Coral Reef State Park & Molasses Reef.
Discover a truly exceptional and private oceanfront compound designed for boating enthusiasts, investors, or multi-generational living. Spread across three expansive lots, this rare property includes two distinct homes and direct water access — a combination that’s nearly impossible to find in today’s market.
The primary residence features 3 bedrooms and 2 full baths, offering bright, comfortable living spaces and sweeping ocean views. The second home, complete with 2 bedrooms and 2 baths on a separate meter, is ideal for guests, extended family, or short-term rental opportunities.
Step outside to unparalleled oceanfront living with a 276-foot concrete dock, perfect for accommodating large vessels, fishing, and launching watercraft. The grounds offer generous room for entertaining, expansion, or simply enjoying the peaceful surroundings of this secluded coastal haven.
Highlights:
3 lots with two homes and a 276-ft dock
Direct ocean access — idea for boating on the Ocean or Bay.
Steps from John Pennekamp Coral Reef State Park
Perfect for entertaining, investing, or creating a family retreat
Unmatched privacy and coastal lifestyle potential.
Property Details
Price:
$2,890,000
MLS #:
A12006854
Status:
Active
Beds:
5
Baths:
4
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
Knowlson Colony
Neighborhood:
knowlsoncolony
Listed Date:
Apr 24, 2026
Year Built:
1943
See this Listing
Schools
Interior
Appliances
Dishwasher, Dryer, Microwave, Electric Range, Refrigerator, Washer
Bathrooms
4 Full Bathrooms
Cooling
Ceiling Fan(s), Central Air
Flooring
Tile
Heating
Central
Interior Features
Built-in Features, Cooking Island, Separate Guest/In-Law Quarters, Other
Exterior
Architectural Style
Detached, One Story, Other
Community Features
Other
Construction Materials
CBS Construction
Covered Spaces
2
Direction Faces
North
Exterior Features
Built-In Grill, Open Balcony
Garage Spaces
2
Lot Features
1/4 To Less Than 1/2 Acre Lot
Open Parking YN
1
Other Structures
Guest House
Parking Features
Circular Driveway, Covered, Driveway, Guest, Rv/Boat Parking
Patio And Porch Features
Open Balcony
Roof
Metal Roof
View
Ocean
Waterfront Features
Ocean Access, Ocean Front
Financial
Tax Year
2025
Taxes
$13,133
Map
Community
- Address34 Atlantic Drive Marathon FL
- SubdivisionKnowlson Colony
- CityMarathon
- CountyMonroe County
- Zip Code33037
Subdivisions in Marathon
Market Summary
Current real estate data for Single Family in Marathon as of May 02, 2026
43
Single Family Listed
170
Avg DOM
931
Avg $ / SqFt
$2,857,277
Avg List Price
Property Summary
- Located in the Knowlson Colony subdivision, 34 Atlantic Drive Marathon FL is a Single Family for sale in Marathon, FL, 33037. It is listed for $2,890,000 and features 5 beds, 4 baths, and has approximately 0 square feet of living space, and was originally constructed in 1943. The average price per square foot for Single Family listings in Marathon is $931. The average listing price for Single Family in Marathon is $2,857,277. To schedule a showing of MLS#a12006854 at 34 Atlantic Drive in Marathon, FL, contact your CENTURY 21 Carioti agent at 800-783-8847.
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