Homes for Sale in Geiger Key, FL
10 homes are for sale in Geiger Key, FL as of 2026-09-25. The median list price is $799,500, most homes list between $639K to $2.50M, and the median listing has been on the market 226 days. That is 5 houses, 0 condos and 0 townhouses. 0 homes came on the market this week.
| Location | Monroe County, FL |
|---|---|
| For sale right now | 10 active |
| Asking prices | $799,500, median · most homes $639K–$2.50M |
| Median days on market (active listings) | 226 |
| Property types for sale | 5 houses, 0 condos, 0 townhouses |
| New listings this week | 0 |
Listing counts and prices as of 2026-09-25; MLS data, refreshed nightly. Market figures describe homes, not residents. Cite as: Momentum Realty, “Geiger Key, FL key facts,” movewithmomentum.com/homes-for-sale/geiger-key-fl/, data as of 2026-09-25.
Newest homes for sale in Geiger Key
The most recently listed homes in Geiger Key, newest first, with photos. Each card opens the full listing with every photo, the community’s sales history and a tour request. Homes marked New listed in the last seven days.
Geiger Key homes for sale by price
Every active listing in Geiger Key grouped by price, with the newest listings in each band. The median is $799,500; the busiest band is $750K – $1M.
$400K – $500K: 1 home
$500K – $750K: 2 homes
$750K – $1M: 4 homes
- $799,000 · 3 bd / 2.5 ba · 87 Sirius Lane
- $873,000 · 3 bd / 2 ba · 157 Mars Lane
- $799,000 · 3 bd / 2 ba · 91 Sirius Lane
- $800,000 · 2 bd / 2 ba · 47 Boundary Lane
$1M and up: 3 homes
- $2.50M · 6 bd / 5 ba · 6 Egret Lane
- $2.50M · 2 bd / 2.5 ba · 156 Sea Lane
- $1.07M · 3 bd / 2 ba · 7 Boca Chica Road
Every home for sale in Geiger Key right now (10)
All 10 active Geiger Key listings with a detail page, newest first, refreshed twice a day from the MLS.
- $2.50M · 6 bd / 5 ba · 6 Egret Lane
- $799,000 · 3 bd / 2.5 ba · 87 Sirius Lane
- $639,000 · 2 bd / 2 ba · 342 Boundary Lane
- $873,000 · 3 bd / 2 ba · 157 Mars Lane
- $649,000 · 3 bd / 2.5 ba · 104 Sirius Lane
- $410,000 · 2 bd / 1.5 ba · 264 Mars Lane
- $2.50M · 2 bd / 2.5 ba · 156 Sea Lane
- $799,000 · 3 bd / 2 ba · 91 Sirius Lane
- $1.07M · 3 bd / 2 ba · 7 Boca Chica Road
- $800,000 · 2 bd / 2 ba · 47 Boundary Lane
Homes for sale in Geiger Key by ZIP code
Where the inventory is: active listings and the median asking price by ZIP. ZIPs link to their housing scorecard.
| ZIP | Homes for sale | Median list price |
|---|---|---|
| 33040 | 10 | $799,500 |
What is for sale in Geiger Key: property types
- Manufactured homes: 5
- Single-family houses: 5
What a home in Geiger Key costs to own
Take the median $799,500 listing with 20% down at today’s 6.95% 30-year rate: principal and interest run about $4,234/month. Monroe County’s typical millage of 8.82 puts property tax near $6,608/year after the $50,000 homestead exemption — and that is the reset bill a buyer pays, not the seller’s capped one. Citizens’ average premium in Monroe County is about $4,380/year; newer roofs and inland addresses usually quote below it. All in, plan on roughly $5,149/month plus any HOA or CDD assessment.
Explore Geiger Key
- All homes for sale in Monroe County, FL
- Geiger Key waterfront homes for sale
- Monroe County property tax guide
- Monroe County down payment assistance limits
- First-time home buyer guide for Florida
- Search every Geiger Key community
- Best places to live in Florida: every city ranked by the numbers
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Common questions
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Listings, counts and prices are from Momentum Realty’s MLS record of active residential listings in Geiger Key as of 2026-09-25 and refresh as homes list and sell. Listing data provided by Florida Keys MLS, Inc. Information is deemed reliable but is not guaranteed by the MLS to be accurate. The data relating to real estate for sale on this page comes in part from the Internet Data Exchange (IDX) program of the MLS(s) named above; listings held by brokerages other than Momentum Realty are marked with the listing brokerage’s name. Information is deemed reliable but not guaranteed. Estimates are not guarantees. Equal Housing Opportunity.