10999 Ave 3rd AvenueMarathon, FL 33050MLS Number F10543646

  • Price: $1,700,000
  • Est. Mortgage of $/month
  • 168 Days on Market
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Federal 30-year interest rate: 6.52% last updated on Jun 11, 2026
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10999 Ave 3rd Avenue Marathon FL 3305010999 Ave 3rd Avenue Marathon FL 3305010999 Ave 3rd Avenue Marathon FL 3305010999 Ave 3rd Avenue Marathon FL 3305010999 Ave 3rd Avenue Marathon FL 3305010999 Ave 3rd Avenue Marathon FL 33050
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  • 2Bedrooms
  • 3Bathrooms
  • 1977Year Built
  • 1,247Square Feet
Unapproved Short Sale for Non-Conforming 2 Bed/3 Bath Waterfront Home in Marathon. Large corner lot with 205 feet of water frontage. First floor has non-conforming addition of 2 bedrooms and living area. Second floor nicely updated with renovated kitchen, baths and impact windows throughout.
Listing by Beckett Realty Advisors,LLC

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Ocean Estate Properties
Office: 561-504-9226
500 NE Spanish River Boulevard
Suite 104
Boca Raton, FL 33431

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Tax Information

  • Tax Legal Description BK 9 LT 1 KEY COLONY SUBD 4 PB4-23 KEY VACA OR431-100 OR679-699 OR1368-724 OR1485-1676 OR1549-1413Q/C OR2265-671 OR2295-533T/C OR2359-1411 O
  • Tax Year 2025
  • Taxes$10,682

Building

  • Building ConstructionBlock
  • Entry Level 2
  • Rooms1
  • Stories2
  • Window Features Impact Glass
  • Year Built1977

Exterior

  • Exterior Features Balcony, Outdoor Living Area
  • RoofMetal

Amenities

  • Appliances IncludedDishwasher, Electric Range, Refrigerator, Washer
  • Cooling Central Air, Electric
  • Cooling YN Yes
  • Other AmenitiesPool, Waterfront, Water View
  • Pool Features In Ground
  • Pool Private YN Yes

Other

  • Date Listed01/01/2026
  • Documents Available Short Sale Addendum
  • Possession Negotiable
  • Special Listing Conditions Short Sale

Parking

  • Parking Features Driveway

Basic Information

  • List Price$1,700,000
  • MLS NumberF10543646
  • Modification Date06/16/2026
  • Property SubTypeSingle Family Residence
  • Property TypeResidential
  • StatusACT
  • Virtual TourView Tour

Interior

  • Flooring Laminate

Property Information

  • Frontage Length Remarks 205
  • Frontage Type Waterfront
  • Lot Features < 1/4 Acre
  • Patio And Porch Features Open, Balcony
  • Property Condition Resale
  • Property Sub Type Additional Single Family Residence
  • Property View DescriptionCanal
  • Square Feet1,247
  • View YN Yes

Rooms

  • Bathroom3
  • Bedrooms2
  • Full Bath3
  • Main Level Bathrooms 1

Location

  • Address10999 Ave 3rd Avenue
  • AreaOther Florida County
  • Building Number10999
  • CountyMonroe
  • StateFL
  • StreetAve 3rd Avenue
  • SubdivisionKey Colony Sub 4
  • TownMarathon
  • Zip33050

Utilities

  • Heat SystemCentral, Electric
  • Heating YN Yes
  • Waste Water DisposalPublic Sewer

Water Body

  • Water AccessPublic
  • Water FeaturesCanal Front, No Fixed Bridges, Ocean Access
  • WaterfrontYes

Legal

  • Parcel Number 00335550000000
  • Universal Parcel Id urn:reso:upi:2.0:US:12087:00335550000000

Based on information submitted to BeachesMLS as of June 17, 2026 8:12 AM UTC . All data is deemed reliable but is not guaranteed accurate by the MLS. All information should be independently reviewed and verified for accuracy. IDX information is provided exclusively for consumers’ personal, noncommercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

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