Two years ago I would have had to say: Nothing! But that is not the case now. There are actually some dry lot homes for sale in the 100 to 250K range:
Cick here to see a list of them
and if you prefer a condo:
Please click here to see a list of condos under 250K
These low priced properties are popular right now; see here which ones are currently under contract
Please let me know if you'd like further info or are looking to buy or sell Real Estate in the Keys