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Active Single Family Residence
$2,890,000
34 Atlantic Drive, Marathon FL 33037, Marathon, FL 33037
5 Beds
Bedrooms
4 Baths
Bathrooms
— sqft
Living Area
1943
Year Built

About This Property

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.

Property Details

Property Type Single Family Residence
Days on Market 33 days
HOA Fee None
Parking — spaces
Pool No
Waterfront Yes
Community Knowlson Colony
Pets Allowed

Location

Comparable Sales

4 closed sales · 1-mile radius · last 12 months · Marathon

Est. Market Value
$975,712
Range: $975,000 – $1,100,000
Listed 196.2% above estimated market value ($1,914,288 over comps). Buyers should negotiate.
Address
Closed
Price
Beds
Baths
Sqft
vs Ask
415 Big Pine Rd, Key Largo FL 33037
LAKE SURPRISE ESTATES · 1983
$1,100,000
Feb 6, 2026
$1,248,000
$716/sf
3
2
1,536
-11.9%
20 Palm Drive, Key Largo FL 33037
GULFSTREAM SHORES · 1959
$598,000
Dec 24, 2025
$598,000
$526/sf
3
2
1,136
+0%
13 Garden Cove Dr, Key Largo FL 33037
OCEAN ISLE ESTATE · 2024
$975,000
Jul 3, 2025
$1,050,000
5
3
-7.1%
407 Bahia Honda Rd, Key Largo FL 33037
LAKE SURPRISE ESTATES · 2006
$1,050,000
May 21, 2025
$1,099,999
$694/sf
3
2
1,512
-4.5%
$1,012,500
Median Sale
$930,750
Trimmed Avg
$645/sf
Avg $/sqft
4 sales
Comps Found

Comp data from Miami MLS. Estimate is automated and does not account for condition, upgrades, or lot features. For a full CMA, contact Dayron Crespo, Broker.

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Dayron Crespo
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