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Welcome to 101 Avenue D in Marathon, Florida -- a fully furnished, turnkey waterfront retreat built in 2022 and designed for modern Keys living. Set on a spacious 18,000 sq. ft. lot, this 4-bedroom, 3-bath home blends comfort, style, and island luxury with the flexibility to serve as a full-time residence, vacation getaway, or investment property. Inside, the home features an open-concept layout with high ceilings, abundant natural light, expansive windows, and a seamless flow between the living, dining, and kitchen areas. The kitchen is beautifully finished with stainless steel appliances, including a dishwasher, ice machine, microwave, oven, range, and refrigerator. Each bedroom offers a comfortable retreat, while the primary suite provides direct access to the impressive outdoor living area. The three full bathrooms are thoughtfully designed for comfort, privacy, and convenience for owners and guests alike. Step outside and enjoy the best of the Florida Keys lifestyle. The spacious waterfront deck overlooks the canal and leads to a resort-style outdoor setting complete with a heated and chilled in-ground pool and a brand-new outdoor kitchen featuring a Broilmaster marine-grade gas grill, Primo ceramic charcoal grill, and outdoor refrigerator. It is the perfect setup for relaxing, dining, and entertaining by the water. Boaters will appreciate the 35-foot dock, offering easy access for days on the water and quick trips to open ocean adventures. This property also has strong vacation-rental appeal, offering the kind of turnkey setup guests love -- comfortable furnishings, outdoor amenities, waterfront access, and a prime Marathon location. Walking distance to the beach, bike path, and golf-cart-friendly neighborhood, 101 Avenue D delivers the perfect blend of convenience, relaxation, and tropical lifestyle. Whether used as a personal retreat, investment property, or move-in-ready waterfront home, this property is ready for you to enjoy the Keys from d

Highlights

  • Residential
  • Single Family Residence
  • New Construction
  • Built in 2022
  • 0.41 Acre Lot
  • Waterfront
  • 166 days on Market

  • Bedrooms
    4
  • Bathrooms
    3
  • Year Built
    2022
  • Parking Features
    RV Access/Parking, Covered, Carport, Off Street, Storage
  • Appliances
    Dishwasher, Microwave, Refrigerator, Range, Oven, Stainless Steel Appliance(s), Ice Maker
  • Flooring
    Tile, Vinyl
  • Furnished
    Furnished
  • Patio And Porch
    Patio, Porch
  • Pool Features
    In Ground
  • Cooling
    Ceiling Fan(s), Central Air

  • Acres
    0.41
  • Water Front Features
    Canal Front
  • Water Front
    Yes
  • View
    Canal

  • Area
    18 - East of Holiday Inn US #1 & Coco Plum
  • County
    Monroe
  • City
    Marathon
  • Neighborhood
    Coco Plum Beach (54.5)
  • Zip Code
    33050

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Frequently Asked Questions

How do I schedule a tour of 101 Avenue D?

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 101 Avenue D.

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

How do I get more information about 101 Avenue D?

Click Ask a Question to talk with our team. You already know it is a 4 bed, 3 bath, listed for $1,684,000. We can talk through recent upgrades, potential seller motivation, how this single family residence compares to others in Marathon, and can even get you in to see the property quickly.

How much is the monthly mortgage payment for 101 Avenue D?

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 101 Avenue D at around $10,706. 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 101 Avenue D?

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 101 Avenue D?

In most cases, yes. Whether 101 Avenue D 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 101 Avenue D?

We can handle that for you. Our preferred local agent specializes in residentials 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.

What is the price per square foot for this home?

This home is listed at $1,684,000 with 1,618 sqft of space—that comes out to approximately $1,041 per square foot.

How long has this property been on the market?

101 Avenue D was listed on June 01, 2026, which means it's been on the market for 166 days.

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

When was this house built?

This home was built in 2022, making it approximately 4 years old.

What is the lot size of this property?

101 Avenue D sits on a 0.41-acre lot, which is 17,860 square feet.

What are the property taxes for 101 Avenue D?

The most recent public record shows annual property taxes for 101 Avenue D were approximately $13,478. 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 101 Avenue D 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.