# 11250 5Th Avenue Gulf, Marathon, FL 33050 > **TL;DR:** 5bd/3ba single family, $1,290,000 ($678/sqft), built 1959, 1,904 sqft. > Waterfront, A/C. Est. $6,899/mo. Listed 449 days. ## Property at a Glance | Attribute | Value | |-----------|-------| | Price | $1,290,000 | | Price/sqft | $678 | | Bedrooms | 5 | | Bathrooms | 3 full | | Square Feet | 1,904 | | Year Built | 1959 | | Lot Size | 369,606,600 sqft (8485.00 acres) | | Stories | 1 | | Property Type | Single Family (Single Family Residence) | | Status | Active | | Days on Market | 449 | ## Why This Home Stands Out - **Waterfront** - Waterfront location listed ## Estimated Monthly Costs | Category | Amount | |----------|--------| | Principal & Interest (20% down, 30-year at 6.5%) | $6,523 | | Estimated Insurance | $376 | | **Total** | **$6,899** | ## Key Amenities - Waterfront - A/C ## Property Highlights - Built in 1959 - 8485.00 acre lot - Waterfront ## Description ### Agent 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. ## Location - **Address:** 11250 5Th Avenue Gulf, Marathon, FL 33050 - **County:** Monroe - **Neighborhood:** Key Colony Sub (53.0) - **Coordinates:** 24.732298, -81.035926 - **Google Maps:** https://www.google.com/maps?q=24.732298,-81.035926 ## Listing Agent - **Name:** Steven Koleno · **License:** 3469487 - **Brokerage:** Bar Invest Realty - **Broker Phone:** (305) 538-0135 - **Listing URL:** [View original listing](https://www.realtor.com/realestateandhomes-detail/11250-5th-Avenue-Gulf_Marathon_FL_33050_M63979-63238?f=listhub&s=FLKEYSMLSFL&m=616064&c=propsimple) ## Photos ![11250 5Th Avenue Gulf - Photo 1](http://lh.rdcpix.com/997e113c5fe07bad7f97cd41be66e3e9l-f3071299256r.jpg) ![11250 5Th Avenue Gulf - Photo 2](http://lh.rdcpix.com/997e113c5fe07bad7f97cd41be66e3e9l-f1565610233r.jpg) ![11250 5Th Avenue Gulf - Photo 3](http://lh.rdcpix.com/997e113c5fe07bad7f97cd41be66e3e9l-f1677516583r.jpg) ![11250 5Th Avenue Gulf - Photo 4](http://lh.rdcpix.com/997e113c5fe07bad7f97cd41be66e3e9l-f2023492680r.jpg) ![11250 5Th Avenue Gulf - Photo 5](http://lh.rdcpix.com/997e113c5fe07bad7f97cd41be66e3e9l-f2379328928r.jpg) ![11250 5Th Avenue Gulf - Photo 6](http://lh.rdcpix.com/997e113c5fe07bad7f97cd41be66e3e9l-f2393324778r.jpg) ![11250 5Th Avenue Gulf - Photo 7](http://lh.rdcpix.com/997e113c5fe07bad7f97cd41be66e3e9l-f2537762438r.jpg) --- **MLS#:** 616064 | **Updated:** 2026-10-28 **Source:** listhub *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.* [View on PropertySimple](https://www.propertysimple.ai/listing/11250-5th-avenue-gulf-marathon-fl-33050-d32bb332507d4fc599cbb2e99b85458f) --- ## Structured Data ```json { "@context": "https://schema.org", "@type": "RealEstateListing", "@id": "https://www.propertysimple.ai/listing/11250-5th-avenue-gulf-marathon-fl-33050-d32bb332507d4fc599cbb2e99b85458f#listing", "url": "https://www.propertysimple.ai/listing/11250-5th-avenue-gulf-marathon-fl-33050-d32bb332507d4fc599cbb2e99b85458f", "name": "11250 5Th Avenue Gulf, Marathon, FL 33050", "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. 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