# 100 Ave I #35 & 36, Marathon, FL 33050

> **TL;DR:** land, $410,000, built 1987.
> Waterfront. Est. $3,221/mo. Listed 226 days.

## Property at a Glance

| Attribute | Value |
|-----------|-------|
| Price | $410,000 |
| Year Built | 1987 |
| Property Type | Land (Other) |
| Status | Active |
| Days on Market | 226 |

## Why This Home Stands Out

- **Waterfront** - Waterfront location listed

## Estimated Monthly Costs

| Category | Amount |
|----------|--------|
| Principal & Interest (20% down, 30-year at 6.5%) | $2,073 |
| Estimated Insurance | $120 |
| HOA | $1,028 |
| **Total** | **$3,221** |

## Key Amenities

- Waterfront

## Property Highlights

- Built in 1987
- Waterfront

## Description

### Agent Description
Two adjacent slips for sale in this Live-A-Board marina directly across from Coco Plum Beach in Marathon. Laundry, bathhouse & mail on site. Minimal rental period 180 days. Quick access to the Atlantic Ocean. Taxes & HOA shown are for both slips together. Additional Quarterly fees for reserves $46 & wastewater $174. Website:. Listing agent is co-owner. Only need one, call for price.

## Location

- **Address:** 100 Ave I #35 & 36, Marathon, FL 33050
- **County:** Monroe
- **Neighborhood:** Maries Yacht Harbor (54.5)
- **Coordinates:** 24.730883, -81.004484
- **Google Maps:** https://www.google.com/maps?q=24.730883,-81.004484

## Listing Agent

- **Name:** Judy Cinque · **License:** 649582
- **Brokerage:** Key Colony Beach Realty, Inc.
- **Phone:** 3059231197
- **Broker Phone:** (305) 289-0621
- **Listing URL:** [View original listing](https://www.realtor.com/realestateandhomes-detail/100-Avenue-I-Unit-35_Marathon_FL_33050_M92275-75285?f=listhub&s=MLKARFL&m=618542&c=propsimple)

## Photos

![100 Ave I #35 & 36 - Photo 1](http://lh.rdcpix.com/37a878f10f539aeab00843399e8ab491l-f1943218181r.jpg)

![100 Ave I #35 & 36 - Photo 2](http://lh.rdcpix.com/37a878f10f539aeab00843399e8ab491l-f2282921971r.jpg)

![100 Ave I #35 & 36 - Photo 3](http://lh.rdcpix.com/37a878f10f539aeab00843399e8ab491l-f979234996r.jpg)

![100 Ave I #35 & 36 - Photo 4](http://lh.rdcpix.com/37a878f10f539aeab00843399e8ab491l-f1475227808r.jpg)

![100 Ave I #35 & 36 - Photo 5](http://lh.rdcpix.com/37a878f10f539aeab00843399e8ab491l-f2870288987r.jpg)

![100 Ave I #35 & 36 - Photo 6](http://lh.rdcpix.com/37a878f10f539aeab00843399e8ab491l-f2687269636r.jpg)

---

**MLS#:** 618542 | **Updated:** 2026-09-22
**Source:** listhub

*Copyright © 2026 Marathon and Lower Keys Association 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/100-ave-i-marathon-fl-33050-l618542)

---

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