34 Atlantic Drive Marathon, FL $ 2,890,000
34 Atlantic Drive
$ 2,890,000
Open House 6/10 5pm - 6pm
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34 Atlantic Drive

Marathon, FL, 33037
$ 2,890,000
Bedrooms5 Baths4.0

Monthly Estimate*

$ 17,794

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View a Virtual Tour

Single Family Home for sale in Marathon, FL

for $2,890,000 with 5 bedrooms and 4 full baths. This home was built in 1943.

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.

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Open House

6/10/2026 5:00 PM - 6:00 PM
34 Atlantic Drive Marathon, FL
* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm

Single Family Active

Price

$ 2,890,000

Bedrooms

5

Full Bath

4

Property Type

Single Family

Taxes

$ 13,133

Style

Year Built

1943

Town/City

Marathon

County/Region

Monroe

MLS | Web ID

A12006854

Features
General
Sewer Public Sewer
Heating Central
Cooling Central Air Ceiling Fan(s)
Possession Closing & Funding Close Of Escrow
Roof Metal
Appliances Dryer Dishwasher Electric Range Microwave Refrigerator Washer
Garage Spaces 2
Patio/Porch Features Balcony Open
Architectural Style Detached Other One Story
Pool Features In Ground Pool
Restrictions OK To Lease Rental Restriction
Construction Materials Block
Year Built 1943
View Ocean
Stories Count 1
Property Subtype Single Family Residence
Tax Year 2025
Waterfront Features Ocean Access Ocean Front
Community Features Other
County Monroe
Property Type Residential
Subdivision Name Knowlson Colony
Facing Direction North
Garage Y/N true
Other Structures Guest House
Total Rooms 0
Full Baths 4
Status Active
Directions Use GPS/Off of the 905 Old Road Turn on Gulfstream Dr. Then Right on NE 1st St& Left on Atlantic Dr.
City Marathon
Disclosures None
Senior Community Y/N false
Zoning Description Multi-Family Duplex
MLS Area 98 Florida Keys
Lot Size Units Square Feet
Listing Terms Cash Conventional FHA VA Loan
Year Built Details Resale
Tax Annual Amount 13133
MLS Area Minor Other Geographic Area (Out Of Area Only)
Lease Considered Y/N false
Virtual Tour https://www.propertypanorama.com/instaview/mia/A12006854
Standard Status Active
Occupancy Type Call Agent
Property Sub Type Additional Single Family Residence
Legal Description Pt Tract B 1st Addn To Knowlson Colony Key Largo Pb3-110 Or518-1019 Or759-410 Or1422-1595 Or2947-0414 Or3325-1282
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Interior
Interior Amenities Built-in Features Bedroom on Main Level Kitchen Island Upper Level Primary
Flooring Tile
Air Conditioning Y/N true
Heating Y/N true
Total Bedrooms 5
Total Baths 4
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Exterior
Exterior Amenities Balcony Security/High Impact Doors Outdoor Grill
Parking Features Circular Driveway Covered Driveway Guest RV Access/Parking
Lot Features 1/4 to 1/2 Acre Lot
Water Source Public
Frontage Length 55
Waterfront Y/N true
Covered Spaces 2
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* Excluded Features
List By
Lokation

Broker

traceypetrusha.realtor@gmail.com

Email

Affordability Calculator

$18,889
Per Month
94%
6%
0%
Monthly Principal & Interest
$17,794
Monthly Property Taxes
$1,094
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
4827338 Elementary School
4827337 Middle School
Unknown High School High School
Pricing History
DatePricePrice ChangeDescription
4/24/2026$2,890,000 Listed Price

Map


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34 Atlantic Drive, Marathon, FL, 33037 is a Single Family Home for sale at $2,890,000. 34 Atlantic Drive has 5 bedrooms, 4.0 baths, and was built in 1943. The property's zip code is 33037 which is in Marathon, FL