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Economic Opportunity Zone! Cleared waterfront lot in Marathon with a Transferable Building Right, house plans, and dock plans included--a valuable head start toward your custom Florida Keys home or investment property. Located on picturesque 89th Street, this approximately 6,440-square-foot parcel measures 70' x 92' and offers 70 feet of waterfront along a 45-foot-wide canal. Direct access to open water and an approximate 4-foot control depth provide a convenient setting for boating, fishing, and exploring the Keys. Weekly rentals are permitted, offering flexibility for a personal retreat or vacation rental. Design a home around your needs while taking advantage of modern construction standards, lower maintenance needs, and potential insurance benefits. Bring your vision to life with this waterfront building opportunity in the heart of Marathon.

Highlights

  • Land
  • 0.15 Acre Lot
  • Waterfront
  • 131 days on Market


  • Acres
    0.15
  • Lot Features
    Cleared
  • Water Front Features
    Canal Front
  • Water Front
    Yes
  • View
    Ocean, Canal

  • Area
    16 - Sombrero Bch Rd to Vaca Cut - Oceanside
  • County
    Monroe
  • City
    Marathon
  • Neighborhood
    Gulfstream Shore (Marathon) (52.0)
  • Zip Code
    33050

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Frequently Asked Questions

How do I schedule a tour of 89th St?

We can make that happen quickly. Click Tour This Home and we'll connect you directly with our vetted local partner to schedule your visit to 89th St.

They know lands in the area well and can give you the guidance you need to buy with confidence.

How do I get more information about 89th St?

Click Ask a Question to talk with our team. You already know it is a N/A bed, N/A bath, listed for $799,000. We can talk through recent upgrades, potential seller motivation, how this land compares to others in Marathon, and can even get you in to see the property quickly.

How much is the monthly mortgage payment for 89th St?

With a 20% down payment and a 30-year fixed loan at an illustrative 7.25% rate, the ez Mortgage Calculator estimates the monthly payment for 89th St at around $4,980. This includes estimated property taxes and insurance.

Want to see how this changes with different down payments or interest rates? Jump to the calculator to run the numbers and fine-tune your plan.

How do I get pre-approved to buy 89th St?

Stand out in a competitive market by getting pre-approved today. Our quick and private pre-approval process helps you understand your true buying power—no credit pull required to explore all of your options.

Or, let us connect you with our preferred local lender in Monroe County. They will give you all of your available financing options, based on your specific situation and what is available to you.

Can I negotiate the asking price for 89th St?

In most cases, yes. Whether 89th St is priced competitively or not, your best offer depends on your personal situation, the seller's timeline, and recent activity in Marathon's market. Our preferred local partner will help you craft a strategy—factoring in comparable properties that have sold, timing, and deal structure—to make a smart, strong offer. Click here to ask about negotiation opportunities.

How do I make an offer on 89th St?

We can handle that for you. Our preferred local agent specializes in lands in Marathon and can guide you through every step of the offer process.

You need an expert who is looking out for your best interests. From market valuation to contingencies and timing, they'll help you present a compelling offer that fits your goals. Click Ask a Question to get started today.

How long has this property been on the market?

89th St was listed on July 06, 2026, which means it's been on the market for 131 days.

Want to keep tabs on it? Click the ♥ to favorite this home and get notified of price drops or changes.

What is the lot size of this property?

89th St sits on a 0.15-acre lot, which is 6,534 square feet.

What are the property taxes for 89th St?

The most recent public record shows annual property taxes for 89th St were approximately $5,200. This may change with reassessment or exemptions. Our local partner can verify current tax amounts and help you estimate future costs based on your situation.

Is 89th St still available for sale?

Yes, this home is still available! Click the ♥ to favorite it so you don't miss any changes—or ask our local expert to schedule a time to see it in person.

Source: ez Home Search, MLS Data

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IDX information is provided exclusively for consumers’ personal, non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, and that the data is deemed reliable but is not guaranteed accurate by the MLS. Copyright 2026 Florida Keys Board of REALTORS®, Inc.