About This Home

This 5-bedroom, 3-bathroom single family at 11250 5Th Avenue Gulf in Marathon, FL is listed for $1,300,000 ($683 per sqft). Built in 1959, the home offers 1,904 sqft of living space on a 8485.00 acres lot.

Key Features

  • Built in 1959
  • 8485.00 acre lot
  • Waterfront

Property Details

1 story
3 full
1959

Amenities

WaterfrontA/C
Listing Description

FLORIDA KEYS WATERFRONT VALUE 5 BEDROOMS - DIRECT GULF ACCESS - TWO-STORY LAYOUT Located in Marathon, this spacious two-story waterfront property has direct Gulf access, flexible living space, and future rooftop deck potential with possible bay views from upper-level enhancements.

The home is functional and move-in ready, with prior updates already completed and major systems operational. Natural light, multiple living areas, and the flexible layout provide opportunities for full-time living, seasonal use, guest space, boating lifestyle, or future personalization over time.

Expansive outdoor deck space and waterfront positioning create room to enjoy boating, fishing, water activities, and relaxed Florida Keys living. The property layout also allows flexibility for future outdoor enhancements, tropical landscaping, shaded entertaining areas, or additional outdoor living concepts.

With l waterfront inventory in the Florida Keys, this property presents a chance to secure a larger waterfront home in Marathon with long-term flexibility and future potential. Property is being sold as it is, allowing the next owner flexibility to personalize and update over time.

Monthly Cost Estimate

$6,953/mo

20% down · 6.5% · 30 years

Principal$940
Interest$5,633
Insurance$379

Estimates only. Actual payments may vary.

Location

11250 5Th Avenue Gulf

Marathon, FL 33050

Key Colony Sub (53.0)

Property Details

Construction

Concrete Combo Construction

Heating

Electric (Heating)

Cooling

Wall/Window Unit(s)Window Unit(s)Central Air

Appliances

WasherDryerDishwasherRefrigeratorRangeOven

Questions & Answers

This 5-bedroom, 3-bathroom single family at 11250 5Th Avenue Gulf is listed at $1,300,000 ($683/sqft). The estimated monthly payment is $6,953 based on 20% down, a 30-year loan at 6.5% interest, estimated insurance.

Key features include: Built in 1959, 8485.00 acre lot, Waterfront.

This property is listed by Steven Koleno.

SK

Steven Koleno

License 3469487

Agent at Bar Invest Realty

Listed by Bar Invest Realty · Broker phone: (305) 538-0135 · View on Broker Site

MLS# 616064· Source: Florida Keys Board of REALTORS®· 447 days on PropertySimple

Copyright © 2026 Florida Keys Board of REALTORS®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

11250 5Th Avenue Gulf, Marathon, FL 33050

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