# 256 Mars Lane, Geiger Key, FL 33040

> **TL;DR:** land, $420,000.
> Waterfront. Est. $1,820/mo. Listed 261 days.

## Property at a Glance

| Attribute | Value |
|-----------|-------|
| Price | $420,000 |
| Lot Size | 5,227 sqft (0.12 acres) |
| Property Type | Land (Other) |
| Status | For Sale |
| Days on Market | 261 |

## Why This Home Stands Out

- **Waterfront** - Direct water access

## Estimated Monthly Costs

| Category | Amount |
|----------|--------|
| Mortgage (20% down, 6.5%) | $1,820 |
| **Total** | **$1,820** |

## Key Amenities

- Waterfront

## Property Highlights

- 0.12 acre lot
- Waterfront

## Description

### Agent Description
The current 1,310 sq ft mobile home can be removed, giving you a clean slate of LAND to build your ideal coastal retreat. This 5,190 sq ft waterfront lot offers direct canal access and a solid concrete seawall-perfect for swimming, fishing, or launching your kayak. Located 10 minutes from Key West and just 0.5 miles from the iconic Geiger Key Marina and Restaurant.

## Location

- **Address:** 256 Mars Lane, Geiger Key, FL 33040
- **County:** Monroe
- **Neighborhood:** Geiger Mobile Home (9.0)
- **Coordinates:** 24.580355, -81.654954
- **Google Maps:** https://www.google.com/maps?q=24.580355,-81.654954

## Listing Agent

- **Name:** Monique Thiel, PA
- **Brokerage:** Sunshine State Realty Services
- **Phone:** 3058799064
- **Email:** Monique@MoniqueThiel.com

## Primary Photo

![256 Mars Lane - Primary Photo](http://lh.rdcpix.com/7bd7f0fdbedc82e499b0d95efd6043e0l-f1859484010r.jpg)

*7 total photos available on [listing page](https://www.propertysimple.com/listing/256-mars-lane-geiger-key-fl-33040-l616488)*

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**MLS#:** 616488 | **Updated:** 2026-06-17
**Source:** listhub

*Copyright © 2026 Key West 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.com/listing/256-mars-lane-geiger-key-fl-33040-l616488)

---

## Structured Data

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  "@type": "RealEstateListing",
  "name": "256 Mars Lane, Geiger Key, FL 33040",
  "description": "The current 1,310 sq ft mobile home can be removed, giving you a clean slate of LAND to build your ideal coastal retreat. This 5,190 sq ft waterfront lot offers direct canal access and a solid concrete seawall-perfect for swimming, fishing, or launching your kayak. Located 10 minutes from Key West and just 0.5 miles from the iconic Geiger Key Marina and Restaurant.",
  "url": "https://www.propertysimple.com/listing/256-mars-lane-geiger-key-fl-33040-l616488",
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  "datePosted": "2026-06-17",
  "price": 420000,
  "priceCurrency": "USD",
  "address": {
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    "streetAddress": "256 Mars Lane",
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```