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$300,000

  • For Sale
  • Active
  • Lots/Land
  • 0.03 Acres
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Waterfront, buildable RV lot in Key By the Sea in the heart of Marathon! Enjoy 28' of water frontage with quick, direct ocean access. This lot has a spacious screened-in porch, a storage room, and plenty of dock space to relax and fish. A building right and the fifth-wheel currently on the site convey with this sale. Boat lifts are allowed. This is a a great buy for those looking to build a new, waterfront home down the road who want to utilize their RV till then. Also a great buy for those looking for a slip - at this comparable price, why buy just a slip in a marina when you can have a buildable lot AND a place to keep your boat and RV? Community amenities include a boat ramp, laundry room, clubhouse with big TV, pool table, kitchen, etc available for private parties, and an oceanfront pavilion area to take in the open Atlantic views. Proximate to grocery stores, shops, restaurants, Sombrero Beach and all things in Keys paradise on the water and on land. There's a lot of bang for your buck and this is priced to sell. FaceTime TOURS ARE AVAILABLE FOR QUALIFIED BUYERS.

Full Property Details for 6099 Overseas Hwy #42E

General

  • Price: $300,000
  • Taxes: $2,635 (2025)
  • Status: Active
  • Type: Lots/Land
  • Source: 927
  • MLS ID: 620323
  • Updated: 7/21/2026
  • Added to Site: 65 day(s) ago

Additional Information

  • Shared Amenities: Other Area Features, Manager on Premises, Community Boat Ramp, Clubhouse

Exterior

  • Exterior Features: Boat Slip

Location

  • Area: 16 - Sombrero Bch Rd to Vaca Cut - Oceanside
  • County: Monroe
  • Subdivision: Keys RV/Mobile Home Condominium (50.5)
  • Driving Directions: Enter into Key By the Sea on the east street. Lot is about halfway down toward the ocean, on the right.

Community

  • Association: Yes

Lot Features

  • Property View: Canal
  • Lot Size (Acres): 0.03
  • Lot Size (Sq. Ft.): 1,125
  • Lot Features: Water Frontage
  • Zoning: RH - Residential High

Water Features

  • Water Front: Yes
  • Water View: Yes
  • Water Front Desc.: Canal Front

Financial Considerations

  • Tax Amount: $2,635.95
  • Tax Year: 2025

Disclosures and Reports

  • Legal Description: PARCEL NO 42E AND 1/200% COMMON ELEMENTS KEYS RV/MOBILE HOME CONDOMINIUM
  • Flood Zone: AE
  • APN: 00338830-001680

Listed by Engel & Völkers Marathon, Laurie A. Keiling (305) 363-9484

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Listing agent

— 6099 Overseas Hwy #42E —

  • Laurie A. Keiling

    Engel & Völkers Marathon

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Price & Sales History for 6099 Overseas Hwy #42E Get Price Alerts and Save Property

Date
Details
Price
Change
Source
6/18/2026
Listed
$300,000
275.47%
MLS
8/15/2004
Sold
$79,900
—
Public Record
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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 6099 Overseas Hwy #42E

Year
Property Taxes
Change
Tax Assessment
Change
2025
$2,636
3%
$235,754
5%
2024
$2,560
9%
$224,450
14%
2023
$2,351
16%
$196,833
63%
2021
$2,025
-8%
$120,814
-28%
2022
$2,210
9%
$168,923
81%
2021
$2,025
60%
$93,518
25%
2019
$1,265
2%
$74,955
2%
2018
$1,244
1%
$73,558
2%
2017
$1,231
—
$72,046
2%
2016
$1,237
-1%
$70,565
1%
2015
$1,253
—
$70,074
1%
2014
$1,259
—
$69,518
1%
2013
$1,259
—
$68,491
—
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.

Estimate the Cost for 6099 Overseas Hwy #42E

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*These costs are estimates, and the interest rates assume exceptional credit standing.

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NMLS#: 1598647

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Listed by Engel & Völkers Marathon, Laurie A. Keiling (305) 363-9484

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6099 Overseas Highway #42E, Marathon, FL 33050 (MLS# 620323) is a Lots/Land property with a lot size of 0.03 acres. 6099 Overseas Highway #42E is currently listed for $300,000 and was received on June 18, 2026. Want to learn more about 6099 Overseas Highway #42E? Do you have questions about finding other Lots/Land 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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