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34 Atlantic Drive, Marathon, FL 33037 (MLS# A12006854)

34 Atlantic Drive, Marathon, FL 33037

$2,890,000
Property Type: Residential Bedrooms: 5 Baths: 4 Status: Active
Current Price: $2,890,000 List Date: 4/24/2026 Last Modified: 6/10/2026

Overview

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.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 surr ...

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Listing Details MLS# A12006854

General Property Information

Property Sub Type
Single Family Residence
Bedrooms Total
5
Bathrooms Total
4
Bathrooms Full
4
Year Built
1943
Garage YN
Yes
Garage Spaces
2
Covered Spaces
2
Senior Community YN
No
Guest House YN
Yes
Waterfront YN
Yes
Water Frontage Feet
55
Outdoor Living Spaces YN
Yes
Stories Total
Yes
Direction Faces
North
Pool Private YN
Yes

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

Contract Information

Comp Sale YN
No
Original List Price
2890000
Occupant Type
Call Listing Agent

Location and Legal

Country
United States
County Or Parish
Monroe
County Parish Name
Monroe
Street Number
34
Street Name
Atlantic
Street Suffix
Drive
City Name
Marathon
State Or Province
FL
Postal Code
33037
Postal Zip
33037
Subdivision Name
Knowlson Colony
Area
5940 - Other Florida County
Geographic Area
Other
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.

Financial Information

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

Status Change Information

Major Change Timestamp
2026-04-24T04:00:00Z
Major Change Type
New Listing
Status Change Date
2026-04-24

More Information

Leasing Permitted Details

Leasing Permitted YN
Yes
Okay To Lease With Restrictions
Yes

Boat and Dock Information

Dock
Yes
Dock Details
Community Boat Ramp

Pool Size Details

Pool Size (WxL)
10x24

Storm Protection

Impact Glass
Partial

Section Details

Parcel Number MLX
169

Originating Details

Originating System Key
458231622
Originating System ID
M00000151

Office/Member Information

DXORIGMLSID
SEF

Amenities

Other
Yes

Exterior Features

Built-in Barbecue
Yes

Flooring

Tile
Yes

Parking Features

Boat Access/Parking
Yes
Circular Driveway
Yes
Covered
Yes
Driveway
Yes
Guest
Yes
RV Access/Parking
Yes

Property Condition

Resale
Yes

Possession

Close Of Escrow
Yes
Negotiable
Yes

Sewer

Public Sewer
Yes

Heating

Central
Yes

Water Access

Ocean Access
Yes

Water View

Ocean
Yes

Appliances

Dishwasher
Yes
Dryer
Yes
Electric Range
Yes
Microwave
Yes
Refrigerator
Yes
Washer
Yes

Construction Materials

CBS
Yes

Interior Features

Built-in Features
Yes
Kitchen Island
Yes

Levels

One
Yes

Listing Terms

Cash
Yes
Conventional
Yes
FHA
Yes
FHA-VA Approved
Yes

Pool Features

In Ground
Yes

Roof

Metal
Yes

Water Source

Public
Yes

Waterfront Features

Ocean Front
Yes

Architectural Style

Other
Yes

Boat and Dock Features

Private Dock
Yes
Ramp
Yes

Cooling

Ceiling Fan(s)
Yes
Central Air
Yes

Showing Requirements

24 Hour Notice
Yes
Appointment Only
Yes

Master Bedroom/Bath

2 Master Baths
Yes
Master Bdrm - Ground
Yes
Master Bdrm - Upstairs
Yes

Restrictions

Lease Restrictions
Yes

Tax Information

Tax Reflects No Exemptions
Yes

Outdoor Living Spaces

Balcony
Yes

Balcony Details

Balcony - Open
Yes

Room Types

Maid/In-Law Quarters
Yes
Other
Yes

Acreage Description

1/4 To Less Than 1/2 Acre Lot
Yes

Room Information

Room Name
Maid/In-Law Quarters
Other
Listing Office: LoKation
IDX
Last Updated: June - 10 - 2026
This information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. Copyright 2026 Beaches Multiple Listing Service, Inc. All rights reserved. Information Not Guaranteed and Must Be Confirmed by End User. Site contains live data.

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