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$2,890,000

  • For Sale
  • Active
  • Single Family
  • 5 Beds
  • 4 Full Baths
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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.

Full Property Details for 34 Atlantic Dr

General

  • Price: $2,890,000
  • Taxes: $13,133 (2025)
  • Status: Active
  • Type: Single Family
  • Source: Greater_Miami
  • MLS ID: A12006854
  • Updated: 4/24/2026
  • Added to Site: 33 day(s) ago

Interior

  • Interior Features: Built-in Features, Cooking Island, Separate Guest/In-Law Quarters, Other
  • Appliances: Dishwasher, Dryer, Microwave, Electric Range, Refrigerator, Washer
  • Flooring: Tile

Rooms

Bathrooms

  • Total Bathrooms: 4
  • Full Bathrooms: 4
  • Primary Bathroom: 2 Primary Bathrooms

Bedrooms

  • Total Bedrooms: 5
  • Bedroom Features: At Least 1 Bedroom Ground Level, Primary Bedroom Upstairs

Other Rooms

  • Living Room: Separate Guest/In-Law Qua Sq. Ft.

Additional Information

  • Pool: Yes
  • Pool Description: In Ground, 10x24

Exterior

  • Exterior Features: Built-In Grill, Open Balcony
  • Deck/Patio: Open Balcony

Parking

  • Garage: Yes
  • Garage Spaces: 2
  • Covered Spaces: 2
  • Parking Features: Circular Driveway, Covered, Driveway, Guest, Rv/Boat Parking

Location

  • Area: Knowlson Colony
  • County: Monroe County
  • Subdivision: Knowlson Colony
  • Building Name: Knowlson Colony
  • Driving Directions: Use GPS/Off of the 905 Old Road, Turn on Gulfstream Dr. Then Right on NE 1st St& Left on Atlantic Dr.
  • Direction Faces: North

Community

  • Community Name: Knowlson Colony

Heating & Cooling

  • Air Conditioning: Yes
  • Cooling Type: Ceiling Fan(s), Central Air
  • Heating Type: Central

Utilities

  • Sewer: Public Sewer
  • Water: Municipal Water

Structural Information

  • Architectural Style: Detached, One Story, Other
  • Structure Type: House
  • Detached/Attached: Detached
  • Construction: CBS Construction
  • Roof: Metal Roof
  • Doors: High Impact Doors
  • Year Built: 1943

Additional Structures

  • Other Structures: Guest House

Lot Features

  • Property View: Ocean
  • Frontage Feet: 55
  • Lot Features: 1/4 To Less Than 1/2 Acre Lot
  • Zoning: Multi-Family Duplex

Water Features

  • Water Front: Yes
  • Water Front Desc.: Ocean Access, Ocean Front

Financial Considerations

  • Tax Amount: $13,133
  • Tax Year: 2025
  • Terms: All Cash, Conventional, FHA, FHA-Va Approved

Disclosures and Reports

  • Legal Description: Pt Tract B 1st Addn To Knowlson Colony Key Largo Pb3-110 Or518-1019 Or759-410 Or1422-1595 Or2947-0414 Or3325-1282
  • Restrictions: Ok To Lease With Res
  • Inclusions: Community Boat Ramp, Private Dock
  • Property ID: 00564760-000000

Listed by LoKation

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— 34 Atlantic Dr —

  • LoKation

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NMLS#: 1598647

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Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

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Schools serving 34 Atlantic Dr

School District:Monroe County School District, Middle Torch Key, FL
NameGradesDistance
Key Largo School
104801 Overseas Highway, Key Largo, FL 33037
PK-83.2 mi
Coral Shores High School
89901 Old Highway, Tavernier, FL 33070
9-1217.7 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 34 Atlantic Dr Get Price Alerts and Save Property

Date
Details
Price
Change
Source
4/24/2026
Listed
$2,890,000
40.98%
MLS
4/11/2025
Sold
$2,050,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 34 Atlantic Dr

Year
Property Taxes
Change
Tax Assessment
Change
2024
$11,902
—
$1,738,453
10%
2024
$11,902
4%
$1,579,884
-1%
2023
$11,405
40%
$1,599,070
114%
2021
$8,130
-14%
$746,667
-37%
2022
$9,486
17%
$1,193,040
59%
2021
$8,130
-14%
$748,156
-17%
2019
$9,456
6%
$897,306
8%
2018
$8,886
4%
$833,388
-5%
2017
$8,549
3%
$875,458
6%
2016
$8,323
1%
$828,549
27%
2015
$8,218
-4%
$654,877
8%
2014
$8,540
6%
$608,289
8%
2013
$8,042
—
$564,774
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

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34 Atlantic Drive, Marathon, FL 33037 (MLS# A12006854) is a Single Family property with 5 bedrooms and 4 full bathrooms. 34 Atlantic Drive is currently listed for $2,890,000 and was received on April 24, 2026. Want to learn more about 34 Atlantic Drive? Do you have questions about finding other Single Family real estate for sale in Marathon? You can browse all Marathon real estate or contact a Coldwell Banker agent to request more information.

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