Homes for Sale in Geiger Key, FL

11 homes are for sale in Geiger Key, FL as of 2026-09-06. The median list price is $799,000, most homes list between $420K to $1.80M, and the median listing has been on the market 226 days. 0 homes came on the market this week.

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.

$799,000

3 bd · 2.5 ba

87 Sirius Lane

Geiger Key

Listing courtesy of Coldwell Banker Schmitt Real Estate Co

$639,000

2 bd · 2 ba

342 Boundary Lane

Geiger Key

Listing courtesy of Coldwell Banker Schmitt Real Estate Co

$873,000

3 bd · 2 ba

157 Mars Lane

Geiger Key

Listing courtesy of Berkshire Hathaway HomeServices Knight & Gardner Realty

$649,000

3 bd · 2.5 ba

104 Sirius Lane

Geiger Key

Listing courtesy of Coldwell Banker Schmitt Real Estate Co

$1.80M

2 bd · 2 ba

105 & 107 Star Lane

Geiger Key

Listing courtesy of Coldwell Banker Schmitt Real Estate Co

$410,000

2 bd · 1.5 ba

264 Mars Lane

Geiger Key

Listing courtesy of Beach Club Brokers (KW)

$2.50M

2 bd · 2.5 ba

156 Sea Lane

Geiger Key

Listing courtesy of Coldwell Banker Schmitt Real Estate Co

$799,000

3 bd · 2 ba

91 Sirius Lane

Geiger Key

Listing courtesy of Coldwell Banker Schmitt Real Estate Co

$420,000

2 bd · 2 ba

256 Mars Lane

Geiger Key

Listing courtesy of Sunshine State Realty Services

$1.07M

3 bd · 2 ba

7 Boca Chica Road

Geiger Key

Listing courtesy of Coldwell Banker Schmitt Real Estate Co. (KW)

$800,000

2 bd · 2 ba

47 Boundary Lane

Geiger Key

Listing courtesy of Keller Williams Key West Compass Realty

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 $799,000; the busiest band is $750K – $1M.

$400K – $500K: 2 homes

• $410,000 · 2 bd / 1.5 ba · 264 Mars Lane
• $420,000 · 2 bd / 2 ba · 256 Mars Lane

$500K – $750K: 2 homes

• $639,000 · 2 bd / 2 ba · 342 Boundary Lane
• $649,000 · 3 bd / 2.5 ba · 104 Sirius Lane

$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

• $1.80M · 2 bd / 2 ba · 105 & 107 Star Lane
• $2.50M · 2 bd / 2.5 ba · 156 Sea Lane
• $1.07M · 3 bd / 2 ba · 7 Boca Chica Road

What is for sale in Geiger Key: property types

• Manufactured homes: 7
• Single-family homes: 4

Browse by type: Manufactured and Mobile Homes for sale in Geiger Key (7).

What a home in Geiger Key costs to own

Take the median $799,000 listing with 20% down at today’s 6.71% 30-year rate: principal and interest run about $4,129/month. All in, plan on roughly $4,129/month plus any HOA or CDD assessment.

Explore Geiger Key

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Common questions

Listings, counts and prices are from Momentum Realty’s MLS record of active residential listings in Geiger Key as of 2026-09-06 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.