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$2,890,000
34 Atlantic Drive
Marathon, FL 33037
MLS# A12006854
5 beds  |  4 baths


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Open House (07/17/2026 - 5:00 pm - 7:00 pm)

Property Description
Huge Direct Oceanfront Compound — One-of-a-Kind with 276-Foot Concrete DockAdjacent 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. Seller will consider all reasonable offers.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 dockDirect ocean access — idea for boating on the Ocean or Bay.Steps from John Pennekamp Coral Reef State ParkPerfect for entertaining, investing, or creating a family retreatUnmatched privacy and coastal lifestyle potential.

Details
Maps
Contract Information
Comp Sale YN: No
Occupant Type: Call Listing Agent
Listing Date: 2026-04-24
Status: Active
Original List Price: 2890000
List Price: $2,890,000
Current Price: $2,890,000
Location and Legal
County Or Parish: Monroe
County Parish Name: Monroe
City Name: Marathon
Postal Zip: 33037
Geographic Area: Other
Country: United States
Street Number: 34
Street Name: Atlantic
Street Suffix: Drive
State Or Province: FL
Postal Code: 33037
Subdivision Name: Knowlson Colony
Area: 5940 - Other Florida County
Elementary School: Key Largo
Middle Or Junior School: Key Largo
High School: Coral Shores
Parcel Number: 00564760000000
Zoning: Multi-Family Duplex
Directions: Use GPS/Off of the 905 Old Road, Turn on Gulfstream Dr. Then Right on NE 1st St& Left on Atlantic Dr.
General Property Information
Water Frontage Feet: 55
Senior Community YN: No
Outdoor Living Spaces YN: Yes
Stories Total: 1
Pool Private YN: Yes
Guest House YN: Yes
Property Sub Type: Single Family Residence
Bedrooms Total: 5
Bathrooms Total: 4
Bathrooms Full: 4
Year Built: 1943
Garage YN: 1
Garage Spaces: 2
Covered Spaces: 2
Waterfront YN: 1
Direction Faces: North
Financial Information
Estimated Monthly Assoc Recurring Fee: 0
Membership Fee Required YN: No
Tax Annual Amount: 13133
Tax Year: 2025
Tax Legal Description: Pt Tract B 1st Addn To Knowlson Colony Key Largo Pb3-110 Or518-1019 Or759-410 Or1422-1595 Or2947-0414 Or3325-1282
Office/Member Information
DXORIGMLSID: SEF
Amenities
Other: 1
Exterior Features
Built-in Barbecue: 1
Flooring
Tile: 1
Leasing Permitted Details
Leasing Permitted YN: Yes
Okay To Lease With Restrictions: 1
Parking Features
Boat Access/Parking: 1
Circular Driveway: 1
Covered: 1
Driveway: 1
Guest: 1
RV Access/Parking: 1
Property Condition
Resale: 1
Possession
Close Of Escrow: 1
Negotiable: 1
Sewer
Public Sewer: 1
Heating
Central: 1
Water Access
Ocean Access: 1
Water View
Ocean: 1
Appliances
Dishwasher: 1
Dryer: 1
Electric Range: 1
Microwave: 1
Refrigerator: 1
Washer: 1
Construction Materials
CBS: 1
Interior Features
Built-in Features: 1
Kitchen Island: 1
Levels
One: 1
Listing Terms
Cash: 1
Conventional: 1
FHA: 1
FHA-VA Approved: 1
Pool Features
In Ground: 1
Roof
Metal: 1
Water Source
Public: 1
Waterfront Features
Ocean Front: 1
Architectural Style
Other: 1
Boat and Dock Information
Dock: Yes
Dock Details: Community Boat Ramp
Boat and Dock Features
Private Dock: 1
Ramp: 1
Cooling
Ceiling Fan(s): 1
Central Air: 1
Showing Requirements
24 Hour Notice: 1
Appointment Only: 1
Master Bedroom/Bath
2 Master Baths: 1
Master Bdrm - Ground: 1
Master Bdrm - Upstairs: 1
Pool Size Details
Pool Size (WxL): 10x24
Restrictions
Lease Restrictions: 1
Storm Protection
Impact Glass: Partial
Tax Information
Tax Reflects No Exemptions: 1
Outdoor Living Spaces
Balcony: 1
Balcony Details
Balcony - Open: 1
Room Types
Maid/In-Law Quarters: 1
Other: 1
Section Details
Parcel Number MLX: 169
Acreage Description
1/4 To Less Than 1/2 Acre Lot: 1
Status Change Information
Major Change Timestamp: 2026-04-24T04:00:00Z
Major Change Type: New Listing
Status Change Date: 2026-04-24
Originating Details
Originating System Key: 458231622
Originating System ID: M00000151
Property Features
Exterior Features: Built-in Barbecue
Flooring: Tile
Leasing Permitted Details: Okay To Lease With Restrictions
Parking Features: Boat Access/Parking; Circular Driveway; Covered; Driveway; Guest; RV Access/Parking
Property Condition: Resale
Appliances: Dishwasher; Dryer; Electric Range; Microwave; Refrigerator; Washer
Architectural Style: Other
Boat and Dock Features: Private Dock; Ramp
Construction Materials: CBS
Cooling: Ceiling Fan(s); Central Air
Heating: Central
Interior Features: Built-in Features; Kitchen Island
Levels: One
Listing Terms: Cash; Conventional; FHA; FHA-VA Approved
Pool Features: In Ground
Possession: Close Of Escrow; Negotiable
Restrictions: Lease Restrictions
Roof: Metal
Sewer: Public Sewer
Tax Information: Tax Reflects No Exemptions
Water Access: Ocean Access
Water Source: Public
Water View: Ocean
Waterfront Features: Ocean Front
Showing Requirements: 24 Hour Notice; Appointment Only
Outdoor Living Spaces: Balcony
Balcony Details: Balcony - Open
Room Types: Maid/In-Law Quarters; Other
Acreage Description: 1/4 To Less Than 1/2 Acre Lot
Room Information
Room Name
Maid/In-Law Quarters
Other

IDX
Listing Office: LoKation

Last Updated: July - 17 - 2026

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